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Flap disc comparison 2026

The best flap discs, compared.

Top pick: Okeno Select flap discs Best value: Okeno Select flap discs – Lowest shelf price among 115 mm packs that print 40 grit, a Type 29 claim, zirconia alumina and 13,300 rpm, at £9.99. The star line is 5.0 from 15 reviews. Updated October 2026.

Peter F.
Peter F.Editor

A flap disc is a consumable for a UK angle grinder: overlapping abrasive flaps on a fibreglass or plastic hub, used at an angle for grinding, blending and finishing metal or wood. Most people comparing these packs already own a 115 mm (4.5 inch) grinder with a 22.23 mm bore. The disc diameter has to match that guard, and the marked maximum rpm has to be at least the grinder’s no-load speed. Type 29 is the conical disc, for weld grinding at about 15–25°. Coarse 40 grit is for heavy removal. 60–80 grit is for deburring and rust. A title that lists four grits is an assortment, not one finish grade, and a 125 mm disc does not belong on a 115 mm guard even when the bore matches. The check order is on the [flap disc buying guide](/hub/sanders/flap-discs/sub/flap-discs-buying-guide). You use it at an angle to grind, blend and finish metal, and some listings also name wood.

A flap disc is a consumable for a UK angle grinder: overlapping abrasive flaps on a fibreglass or plastic hub, used at an angle for grinding, blending and finishing metal or wood.

Okeno Select flap discs

Best overall

Okeno Select flap discs
6.9/10∼ £10

42 products checked · 62 hrs invested · +24,600 readers

12 of 12: Best flap discs compared

Swipe for more

1-2 of 12
Best overall
Okeno Select flap discs
Gmozkrn flap discs
MIDO flap discs
Merryland flap discs
PRETEC flap discs
Awutzut flap discs
EZARC flap discs
Anesty flap discs
ZJNGVF ceramic flap discs
Nisorpa flap discs
SDLONLIGR flap discs
Total Abrasives flap discs
6.9/10
2.6/10
6.0/10
6.5/10
8.4/10
7.5/10
6.3/10
5.6/10
5.8/10
7.2/10
3.6/10
3.0/10
∼ £10
∼ £13
∼ £20
∼ £20
∼ £12
∼ £15
∼ £22
∼ £17
∼ £22
∼ £33
∼ £19
∼ £22
5.0(15)
5.0(4)
4.6(1,230)
4.6(221)
4.6(112)
4.6(59)
4.5(97)
4.5(86)
4.5(52)
4.4(68)
–
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The best flap discs in detail

Okeno Select flap discs

Rank 1

Okeno Select flap discs

∼£10

Our view

Okeno Select’s 10-pack at £9.99 is the lowest shelf price in this set for a coarse conical disc. The title says 115 mm, 40 grit, T29 and zirconia alumina, with 13,300 rpm and a 22.23 mm bore, and the grit field says coarse. amazon.co.uk shows 5.0 from 15 reviews on 19 October 2026, which is too small a sample to treat as a stable score. The captured comments praise weld cleanup and value for DIY rust work, and they also say life and finish vary with material and pressure. The profile cell says “T29 in title”, so the shape is a title claim. The materials field lists stainless steel, structural steel, carbon steel and hardened metals, while the title also says wood. That stainless line is not a contamination test, and EN 13743 is not printed. It carries the best-value mark because you can try ten coarse discs for about £1 each on a 115 mm guard, with the limit of those 15 reviews.

Pros

  • Lowest shelf price in the set, £9.99 for 10 discs
  • 40 grit coarse, zirconia alumina, 13,300 rpm
  • Title says T29 for a conical weld angle
  • Reviews mention weld cleanup and DIY value

Cons

  • 5.0 from only 15 reviews
  • Life and finish vary in the comments
  • Profile cell repeats the title instead of a separate type field
  • EN 13743 is not printed

Best for: You want a low first spend on 40 grit T29 zirconia discs for a 115 mm guard, and you can accept a short review line.

Less suitable: You want a large review count before you buy, or a flat Type 27 disc for a shallow blend.

Specifications

Model
Okeno Select flap discs
Brand
Okeno Select
Price
∼£10
Customer rating
5.0/5(15)
Diameter
115 mm
Bore
22.23 mm
Profile
Title T29
Grit
40 grit
Grain
Zirconia alumina
Pack
10
Max rpm
13,300 rpm

Common questions

Why is this the best value with only 15 reviews?

The award is the lowest shelf price, £9.99, among 115 mm packs that print 40 grit, a Type 29 claim, zirconia alumina and 13,300 rpm. The 5.0 from 15 reviews stays in the score. It is not treated as the same evidence as a 4.6 from 112 reviews.

Is the disc Type 29?

The title says T29 and the profile cell repeats that title. Construction is listed as super-abrasive. Confirm the conical shape on the disc label before you use it at 15–25°.

What speed is printed?

13,300 rpm, with a 22.23 mm bore and 115 mm diameter. EN 13743 is not printed on the capture. Check the physical label.

Gmozkrn flap discs

Rank 2

Gmozkrn flap discs

∼£13

Our view

Gmozkrn is the only 125 mm pack in the set, listed at £12.99. The title says a 9-pack of Type 29 aluminium-oxide discs in 60, 80 and 120 grit for metal, wood, welding and rust. The pack field says 1, the grit field says 120 medium, and the contents line says none. Maximum rpm is not stated. amazon.co.uk shows 5.0 from 4 reviews. Those comments mention weld cleanup and also say the discs wear quickly on hard metal, which is a thin sample either way. A 125 mm disc does not belong under a 115 mm guard, even when the bore is 22.23 mm. EN 13743 is not printed. Buy it only for a 125 mm guard, and only after the label shows an rpm and you can see whether the box is one disc or the mixed nine in the title.

Pros

  • Title: 125 mm Type 29, 60/80/120 mix, 9-pack, £12.99
  • 22.23 mm bore on the comparison row
  • Type 29 is stated in the profile cell
  • Lowest way in this table to buy a 125 mm disc

Cons

  • Wrong diameter for a 115 mm guard
  • No maximum rpm printed
  • Pack field says 1 and grit field says 120, against a 9-pack mix
  • 5.0 from 4 reviews, with fast-wear comments

Best for: Your guard is 125 mm, and you will confirm rpm and the real count before you fit a disc.

Less suitable: You own a 115 mm grinder, or you need a speed mark and a review line longer than four.

Specifications

Model
Gmozkrn flap discs
Brand
Gmozkrn
Price
∼£13
Customer rating
5.0/5(4)
Diameter
125 mm
Bore
22.23 mm
Profile
Type 29
Grit
120 grit
Grain
Aluminium oxide
Pack
1
Max rpm
n/a

Common questions

Can I fit this on a 115 mm grinder?

No. This is the only 125 mm pack in the set. A 22.23 mm bore does not make it safe under a 115 mm guard. Do not remove the guard to fit it.

What rpm is printed?

No maximum rpm is stated. Do not fit the disc until the label shows a maximum at least as high as the grinder’s no-load speed.

Is it nine discs or one?

The title says a 9-pack of 60, 80 and 120 grit Type 29 discs at £12.99. The pack field says 1 and the grit field says 120. amazon.co.uk shows 5.0 from 4 reviews. Confirm the carton.

MIDO flap discs

Rank 3

MIDO flap discs

∼£20

Our view

MIDO’s title is a 20-pack of 115 mm Type 27 aluminium-oxide discs in 40, 60, 80 and 120 grit, at £19.99. amazon.co.uk shows 4.6 from 1,230 reviews, the largest count in the table, and that file is not a UK-only panel. Reviewers praise rust removal and DIY value, and they also say the discs wear quickly on hard metal, with bent flaps or damage on arrival in some reports. The grit field does say assorted 40/60/80/120, so this is several jobs in one box. The speed cell prints 13.3 rpm. That is a listing error, not a safe maximum, and you should not mount the pack until the disc label shows a real rpm at least as high as the grinder. The materials field says fibreglass, while the title names metal, stainless steel and wood. EN 13743 is not named. The review count is why the row looks strong, and the speed line is why it is not the top pick.

Pros

  • 20 × 115 mm Type 27, mixed 40/60/80/120, £19.99
  • 4.6 from 1,230 reviews, including rust-removal comments
  • Grit field matches the assorted title
  • About £1 a disc if the carton contains 20

Cons

  • Spec line prints 13.3 rpm, which is not a usable speed
  • Reviews report fast wear on hard metal and bent flaps on arrival
  • Materials field says fibreglass, not the metals in the title
  • EN 13743 is not printed

Best for: You want one box to try four grits on a Type 27 disc, and you will ignore the 13.3 rpm line and read the disc label.

Less suitable: You need a printed speed you can compare with the grinder, or a single grit for one finish.

Specifications

Model
MIDO flap discs
Brand
MIDO
Price
∼£20
Customer rating
4.6/5(1,230)
Diameter
115 mm
Bore
22.23 mm
Profile
Type 27
Grit
Mixed
Grain
Aluminium oxide
Pack
20
Max rpm
n/a

Common questions

Is 13.3 rpm a real speed rating?

No. The spec line prints 13.3 rpm. That is a listing error, not a safe maximum. Do not mount the pack until the disc label shows a real rpm at least as high as the grinder.

Does the large review count make it the top pick?

No. amazon.co.uk shows 4.6 from 1,230 reviews, and that file is not a UK-only panel. The speed line is why it is not the top pick. Reviews also report fast wear and bent flaps on arrival.

Is this one grit?

No. The title and the grit field say 40, 60, 80 and 120. That is an assortment, not one finish grade. The profile is Type 27, 20 discs, £19.99.

Merryland flap discs

Rank 4

Merryland flap discs

∼£20

Our view

Merryland’s title says a 20-pack of 115 mm, 40 grit, T29 flap discs in zirconia alumina, at £19.90, with 13,300 rpm and a 22.23 mm bore. The pack-count field says 1, and the grit-type field says Medium, so the title and the table do not describe the same count or the same grade. amazon.co.uk shows 4.6 from 221 reviews. The comments praise weld cleanup and DIY value, and they also mention vibration or wobble, plus uneven life and finish. The stored review file is not treated as a UK-only panel. The profile cell says “T29 in title”, which is the shape to shortlist for a weld at about 15–25° if the discs in the carton match that title. Materials say metals, and EN 13743 is not named. About £1 a disc only holds if the carton really contains 20.

Pros

  • Title: 20 × 115 mm, 40 grit, T29, zirconia alumina, £19.90
  • 13,300 rpm printed
  • 4.6 from 221 reviews mentioning weld cleanup
  • Metals are the stated workpiece

Cons

  • Pack-count field says 1 against a 20-pack title
  • Grit type says Medium against 40 grit
  • Reviews mention vibration or wobble
  • EN 13743 is not printed

Best for: You want a T29 40 grit zirconia shortlist for mild-steel welds, and you will count the discs in the carton.

Less suitable: You need the pack-count field and the title to agree before you order, or you are sensitive to a disc that reviewers say wobbles.

Specifications

Model
Merryland flap discs
Brand
Merryland
Price
∼£20
Customer rating
4.6/5(221)
Diameter
115 mm
Bore
22.23 mm
Profile
Title T29
Grit
40 grit
Grain
Zirconia alumina
Pack
1
Max rpm
13,300 rpm

Common questions

Is it 20 discs or one?

The title says a 20-pack. The pack-count field says 1. About £1 a disc only holds if the carton contains 20. Count them against the live page before you rely on the unit price.

What do the reviews say about vibration?

amazon.co.uk shows 4.6 from 221 reviews. Comments mention weld cleanup and also vibration or wobble, plus uneven life. That file is not treated as a UK-only panel.

What grit grade is printed?

The grit number is 40. The grit-type field says Medium, which does not match a coarse 40. The title says T29 and zirconia alumina. EN 13743 is not printed.

PRETEC flap discs

Rank 5

PRETEC flap discs

∼£12

Our view

PRETEC’s 12-pack at £11.99 is the top pick in this set for a 115 mm grinder that needs a coarse flat disc. The listing says Type 27 zirconia, 40 grit, a 22.23 mm bore and 13,300 rpm, and those fields agree with the title. On amazon.co.uk it is 4.6 from 112 reviews, and the captured comments praise weld cleanup and metal prep while criticising life and finish, which varies with material and pressure. That is a blending disc at roughly 0–15°, so a steep weld grind is the wrong angle for this shape. The model code prints both 80 and 40, and the capture’s ASIN field was B0CSSVHYFL while the URL is B0CSSX6VDD, so check the box against the page you opened. EN 13743 is not named. At about £1 a disc the size, type, grit and speed line up more cleanly than the other rows, which is the criterion, not a timed wear test.

Pros

  • 12 × 115 mm Type 27 zirconia discs, 40 grit, at £11.99
  • 13,300 rpm and a 22.23 mm bore on the listing
  • 4.6 from 112 amazon.co.uk reviews mentioning weld cleanup
  • Type and grit fields match the title

Cons

  • Reviewers criticise life and finish, which varies with pressure and material
  • URL ASIN B0CSSX6VDD differs from field B0CSSVHYFL
  • Model code 115B80FD40 contains both 80 and 40
  • EN 13743 is not printed

Best for: You want a coarse Type 27 zirconia 12-pack for shallow blending on a 115 mm guard, and you will check the ASIN on the box.

Less suitable: You need a Type 29 angle for a tall weld cap, or you treat the model code as proof of 80 grit.

Specifications

Model
PRETEC flap discs
Brand
PRETEC
Price
∼£12
Customer rating
4.6/5(112)
Diameter
115 mm
Bore
22.23 mm
Profile
Type 27
Grit
40 grit
Grain
Zirconia
Pack
12
Max rpm
13,300 rpm

Common questions

Which grinder fits this pack?

The listing is 115 mm with a 22.23 mm bore. Match the guard to 115 mm. The bore on its own does not make the disc safe on a smaller guard.

What maximum rpm is printed?

13,300 rpm. Do not run the disc above that mark or above the grinder’s rating. The figure is the listing claim, not a speed we measured.

Why check the box ASIN?

The page URL is B0CSSX6VDD. A field on the capture was B0CSSVHYFL. The model code also contains both 80 and 40. Confirm the disc in the carton matches the page you opened.

Awutzut flap discs

Rank 6

Awutzut flap discs

∼£15

Our view

Awutzut’s 10-pack is listed at £14.99 for 115 mm, 60 grit aluminium-oxide discs, with 13,300 rpm and a 22.23 mm bore. The title says T29 and the construction field says conical, while the profile cell prints P60, so the shape is in the title rather than the profile column. amazon.co.uk shows 4.6 from 59 reviews. The comments are generally positive on grinding and on value for DIY weld or rust work, and they also say life varies with the material and how hard you press. Sixty grit sits in the band trade guides use for weld blending and rust, which is a step finer than a 40 grit removal disc. The materials line says metal and wood, and wood will load the flaps, so that word is a listing claim. EN 13743 is not named. About £1.50 a disc is a short pack of one grit if the conical title matches the disc in the box.

Pros

  • 10 × 115 mm, 60 grit aluminium oxide, at £14.99
  • Title says T29 and the construction field says conical
  • 13,300 rpm printed
  • 4.6 from 59 reviews on weld or rust value

Cons

  • Profile cell says P60, not Type 29
  • Life varies with material and pressure in the reviews
  • Wood is listed beside metal
  • EN 13743 is not printed

Best for: You want one 60 grit conical pack for rust and weld blending, and you will confirm Type 29 on the disc label.

Less suitable: You need the profile column itself to say Type 29, or you want a 40 grit pack for heavier removal.

Specifications

Model
Awutzut flap discs
Brand
Awutzut
Price
∼£15
Customer rating
4.6/5(59)
Diameter
115 mm
Bore
22.23 mm
Profile
Title T29
Grit
60 grit
Grain
Aluminium oxide
Pack
10
Max rpm
13,300 rpm

Common questions

Is this Type 29 or P60?

The title says T29 and the construction field says conical. The profile cell prints P60, which is a grit label, not a shape. Confirm Type 29 on the disc before you use a steep angle.

What is 60 grit for?

Trade guides put 60–80 grit on deburring, rust and weld blending. It is finer than the 40 grit removal packs in this set. It is not a finishing grit in the 80–120 band.

What speed and size are printed?

115 mm, 22.23 mm bore, 13,300 rpm, 10 discs at £14.99. amazon.co.uk shows 4.6 from 59 reviews. EN 13743 is not printed.

EZARC flap discs

Rank 7

EZARC flap discs

∼£22

Our view

EZARC’s title is a 12-pack of 115 mm Type 27 jumbo zirconia discs in 40 grit, listed at £21.97, about £1.83 a disc. The diameter cell prints 11.5 centimetres, which is the same 115 mm guard size, with 13,300 rpm and a 22.23 mm bore. amazon.co.uk shows 4.5 from 97 reviews. Reviewers mention weld cleanup and rust removal, and they also say the discs wear quickly on hard metal or under heavy pressure. The grit-type field says Medium, and the construction field says Non-Woven, which is an odd label for a coated flap disc and belongs on the packet check. Jumbo means more flap material on that listing’s claim, not a life we measured. Type 27 is the flatter profile, for roughly 0–15°, and EN 13743 is not printed. The price per disc is among the highest here, so the jumbo claim has to matter more to you than a cheaper 40 grit pack.

Pros

  • 12 × Type 27 zirconia, 40 grit, jumbo claim
  • 11.5 centimetres is 115 mm, with 13,300 rpm
  • 4.5 from 97 reviews mentioning rust and weld cleanup
  • Type 27 is stated in the profile cell

Cons

  • About £1.83 a disc, among the dearest unit prices
  • Reviewers say they wear quickly on hard metal
  • Grit type says Medium, construction says Non-Woven
  • EN 13743 is not printed

Best for: You want a Type 27 jumbo zirconia 40 grit pack and you accept a higher price per disc.

Less suitable: You are buying on unit price, or you need Type 29 for a steep weld angle.

Specifications

Model
EZARC flap discs
Brand
EZARC
Price
∼£22
Customer rating
4.5/5(97)
Diameter
115 mm
Bore
22.23 mm
Profile
Type 27
Grit
40 grit
Grain
Zirconia
Pack
12
Max rpm
13,300 rpm

Common questions

Is 11.5 centimetres the same as 115 mm?

Yes. The diameter cell prints 11.5 centimetres and the title says 115 mm. That is a 115 mm guard, with a 22.23 mm bore. It is not a 125 mm disc.

What does jumbo mean here?

The title says Type 27 jumbo zirconia, 40 grit, 12 discs. Jumbo is that listing’s claim of more flap material. It is not a life we measured. Reviews say the discs wear quickly on hard metal.

What is the price per disc?

£21.97 for 12 discs is about £1.83 a disc, among the higher unit prices in this set. amazon.co.uk shows 4.5 from 97 reviews. EN 13743 is not printed.

Anesty flap discs

Rank 8

Anesty flap discs

∼£17

Our view

Anesty’s title says a 20-pack of 115 mm zirconium flap discs in 40, 60, 80 and 120 grit, at £16.90, with 13,300 rpm and profile T27. The comparison fields say pack size 1 and grit 120 fine, while the contents line says a 20-pack. amazon.co.uk shows 4.5 from 86 reviews. The comments praise weld cleanup and DIY value, and they also say life varies, with bent flaps or damage on arrival in some reports. If the title and the contents line are right, about £0.85 a disc is one of the lower unit prices for a mixed box. If the pack field is right, you are looking at a single fine disc. Materials list metal, wood, non-ferrous materials, fibreglass and plastics, which is a wide claim. EN 13743 is not named. Use it as a mixed Type 27 trial only after the live page and the label agree on count and grit.

Pros

  • Title and contents line say a 20-pack of mixed grits at £16.90
  • Profile T27, zirconium grain, 13,300 rpm
  • 4.5 from 86 reviews mentioning weld cleanup
  • Unit price is low if the carton really holds 20

Cons

  • Pack field says 1 and grit field says 120, against a mixed 20-pack title
  • Bent flaps or arrival damage in some reviews
  • Life and finish vary with material and pressure
  • EN 13743 is not printed

Best for: You want a Type 27 mixed-grit trial at £16.90, and you will confirm 20 discs rather than the pack field of 1.

Less suitable: You need one grit for a single finish, or you are buying from the pack-size field alone.

Specifications

Model
Anesty flap discs
Brand
Anesty
Price
∼£17
Customer rating
4.5/5(86)
Diameter
115 mm
Bore
22.23 mm
Profile
Type 27
Grit
120 grit
Grain
Zirconium
Pack
1
Max rpm
13,300 rpm

Common questions

Why does the table say 1 disc and 120 grit?

Those are the comparison fields. The title and the contents line say a 20-pack of 40, 60, 80 and 120 grit. Buy only after the live page and the label agree on count and grit.

What profile is stated?

The profile cell says T27, so Type 27, with zirconium grain and 13,300 rpm, at £16.90. Type 27 is the flatter disc, for a shallow angle.

What do reviews say about the flaps?

amazon.co.uk shows 4.5 from 86 reviews. Comments mention weld cleanup, and also bent flaps or damage on arrival, plus life that varies with material and pressure.

ZJNGVF ceramic flap discs

Rank 9

ZJNGVF ceramic flap discs

∼£22

Our view

ZJNGVF’s 20-pack is listed at £22.09 for 115 mm ceramic discs, with a grit field of 40 coarse, 13,300 rpm and a 22.23 mm bore. amazon.co.uk shows 4.5 from 52 reviews. Reviewers mention rust removal and weld cleanup, and they also report vibration or wobble, fast wear on hard metal, and bent flaps on arrival. The profile cell is empty. The contents line says mixed flap discs, and the model code includes MIX, so the carton may not be a single 40 grit. Materials name stainless steel, carbon steel, alloy steel and cast iron. Ceramic is the self-sharpening claim in the title, not a timed comparison with the zirconia packs, and EN 13743 is not printed. About £1.10 a disc is a ceramic trial only after you confirm the shape and whether every disc is 40 grit.

Pros

  • 20 × 115 mm ceramic discs, grit field 40 coarse, £22.09
  • 13,300 rpm and fibreglass-reinforced construction stated
  • 4.5 from 52 reviews mentioning rust and weld cleanup
  • Stainless steel, carbon steel, alloy steel and cast iron are named

Cons

  • Flap profile is not stated
  • Contents line says mixed discs against a 40 grit field
  • Reviews mention vibration, fast wear and bent flaps
  • EN 13743 is not printed

Best for: You want to try a ceramic grain on 115 mm steel or stainless, and you will check that the box is one grit.

Less suitable: You need a stated Type 27 or Type 29, or a pack with no arrival-damage comments.

Specifications

Model
ZJNGVF ceramic flap discs
Brand
ZJNGVF
Price
∼£22
Customer rating
4.5/5(52)
Diameter
115 mm
Bore
22.23 mm
Profile
n/a
Grit
40 grit
Grain
Ceramic
Pack
20
Max rpm
13,300 rpm

Common questions

Is the profile Type 27 or Type 29?

Neither is stated. The profile cell is empty. The title is a 20-pack of self-sharpening purple ceramic discs. Confirm the shape on the label before you choose an angle.

Is every disc 40 grit?

The grit field says 40 coarse. The contents line says mixed flap discs, and the model code includes MIX. Check the carton. A mixed pack is not one finish grade.

What do the reviews report?

amazon.co.uk shows 4.5 from 52 reviews. Comments mention rust and weld cleanup, and also vibration, fast wear on hard metal, and bent flaps on arrival. EN 13743 is not printed.

Nisorpa flap discs

Rank 10

Nisorpa flap discs

∼£33

Our view

Nisorpa’s box is 50 discs at £32.99, about £0.66 a disc, which is the lowest unit price in the set and the highest till price. The fields say 115 mm, 80 grit fine, aluminium oxide, 13,700 rpm and a 22.23 mm bore. amazon.co.uk shows 4.4 from 68 reviews. Reviewers describe weld cleanup, metal prep and DIY rust work, and they also criticise life and finish. The profile cell says Backing Pad, so neither Type 27 nor Type 29 is stated. Eighty grit is a finishing and light-blend grade in Engweld’s bands, which is the wrong first disc for a heavy weld cap. Materials include metal, plastic and wood, and EN 13743 is not printed. Buy the 50-pack when you already want a stock of 80 grit on a 115 mm guard, and read the disc for the shape this row does not give.

Pros

  • 50 × 115 mm, 80 grit aluminium oxide, about £0.66 a disc
  • 13,700 rpm, the highest speed mark in the table
  • 4.4 from 68 reviews mentioning weld cleanup and rust work
  • Grit number and fine grade agree

Cons

  • Profile says Backing Pad, so Type 27 or 29 is not stated
  • £32.99 is the highest box price here
  • Reviews criticise life and finish
  • EN 13743 is not printed

Best for: You already want a large stock of 80 grit discs for light blending on a 115 mm grinder.

Less suitable: The job is a coarse Type 29 weld pass, or you need the listing to name the flap shape.

Specifications

Model
Nisorpa flap discs
Brand
Nisorpa
Price
∼£33
Customer rating
4.4/5(68)
Diameter
115 mm
Bore
22.23 mm
Profile
n/a
Grit
80 grit
Grain
Aluminium oxide
Pack
50
Max rpm
13,700 rpm

Common questions

Why is the cheapest disc not the best value?

About £0.66 a disc is the lowest unit price, and £32.99 is the highest box price. The grit is 80, and the profile cell says Backing Pad, so type is not stated. The value award stays with the £9.99 40 grit pack whose title states a Type 29 claim.

What speed is printed?

13,700 rpm, the highest mark in this table. Do not exceed the disc mark or the grinder rating. The figure is the listing claim.

What grit is in the box?

80 grit, and the grit-type field says fine. That agrees. It is a light-blend grade, not the first disc for a heavy weld cap. EN 13743 is not printed.

SDLONLIGR flap discs

Rank 11

SDLONLIGR flap discs

∼£19

Our view

SDLONLIGR’s 20-pack is listed at £19.22 for 115 mm discs, grit number 40, a 22.23 mm bore and a maximum of 13,000 rpm. The title adds a fibreglass mesh base aimed at weld removal, rust and deburring. There is no star line in the capture. The comments that were stored praise metal grinding for the price and are explicitly not a UK-only panel, and they also say life varies. The profile is not stated, the grit-type field says Assorted against a 40 grit number and a contents line of 20 × 40 grit, and the grain field says heat-treated abrasive grains rather than a named family. Thirteen thousand rpm is below the 13,300 rpm printed on most 115 mm packs here, so compare it with the no-load speed on your grinder. Materials are not stated, and EN 13743 is not printed. About £0.96 a disc still leaves type, grain and a review count unresolved.

Pros

  • 20 × 115 mm, contents line says 40 grit, £19.22
  • Title names a fibreglass mesh base for weld, rust and deburring
  • 13,000 rpm is at least printed
  • About £0.96 a disc if the count is 20

Cons

  • No star rating in the capture
  • Profile not stated, and grit type says Assorted
  • 13,000 rpm is below the 13,300 on most other 115 mm rows
  • Stored comments are not a UK-only panel

Best for: You are comparing a mesh-base 40 grit 20-pack on price, and you will check rpm against your grinder before use.

Less suitable: You want a star line, a stated Type 27 or Type 29, or a disc marked 13,300 rpm.

Specifications

Model
SDLONLIGR flap discs
Brand
SDLONLIGR
Price
∼£19
Diameter
115 mm
Bore
22.23 mm
Profile
n/a
Grit
40 grit
Grain
Heat-treated
Pack
20
Max rpm
13,000 rpm

Common questions

Is there an amazon.co.uk star rating?

No star line was in the capture for this ASIN. Stored comments about metal grinding are not a UK-only panel. A missing star line scores zero on the Amazon-evidence block.

Is 13,000 rpm enough?

13,000 rpm is printed, which is below the 13,300 rpm on most other 115 mm rows here. Use the disc only if that mark is at least the no-load speed of your grinder.

What grain and profile are named?

The grain field says heat-treated abrasive grains, not zirconia, ceramic or aluminium oxide. The profile is not stated. The grit number is 40 and the grit type says Assorted.

Total Abrasives flap discs

Rank 12

Total Abrasives flap discs

∼£22

Our view

Total Abrasives’ title is a 20-pack of 115 mm double-flap, high-density discs, model TA-AD-03, at £21.99, with 13,300 rpm and a 22.23 mm bore. The profile cell repeats the model code, and grit and grain are not stated. The contents line says “20 X 115mm Metal Cutting Grit Discs”, which fights a flap-disc title and is a reason to read the packet before you mount anything. There is no star line. Stored comments mention satisfactory metal grinding for the price and are not a UK-only panel, and they also say life varies with material and pressure. Materials say steel and stainless steel. High-density means more flap layers on that description, not a life figure we measured, and EN 13743 is not printed. About £1.10 a disc is a format you can judge only after the packet shows a grit, because this row does not.

Pros

  • 20 × 115 mm double-flap title, £21.99
  • 13,300 rpm printed
  • Steel and stainless steel are named
  • High-density construction is the product claim

Cons

  • Grit and grain are not stated
  • Contents line says metal cutting grit discs
  • No star rating in the capture
  • EN 13743 is not printed

Best for: You already know TA-AD-03 from the packet and you only need the amazon price and the 13,300 rpm line.

Less suitable: You need a grit, a grain, or a contents line that says flap discs rather than cutting discs.

Specifications

Model
Total Abrasives flap discs
Brand
Total Abrasives
Price
∼£22
Diameter
115 mm
Bore
22.23 mm
Profile
Double flap
Grit
n/a
Grain
n/a
Pack
20
Max rpm
13,300 rpm

Common questions

Why does the contents line say cutting discs?

The title is a double-flap, high-density disc, model TA-AD-03. The contents line says metal cutting grit discs. That clash is a reason to read the packet before you mount anything. A flap disc is not a cutting disc.

What grit is stated?

Grit and grain are not stated. The table shows n/a for both. You cannot match this pack to a 40 grit weld job or an 80 grit blend from the listing alone.

Is there a star rating?

No star line was in the capture. The price is £21.99 for a stated 20-pack, with 13,300 rpm and a 22.23 mm bore. EN 13743 is not printed.

How we compared

Twelve amazon.co.uk flap-disc listings were scored for this page. Weights sum to 100. Shelf prices were captured on 19 October 2026 and run from £9.99 to £32.99. A printed rpm is the listing claim, not a tachometer reading. A star row is amazon.co.uk’s figure. Review themes come from the stored notes. There was no lab test of wear or removal rate.

1

Amazon evidence

25%

Star rating and review count. A 5.0 from 4 or 15 reviews scores far below a 4.6 from 100-plus. A missing star line scores zero on this block.

2

Listing agreement

35%

115 mm, or a clearly labelled 125 mm, a 22.23 mm bore, a flap profile that matches the title, a grit field that matches the title, a named grain, and a maximum rpm you can compare with a grinder. Clashing pack counts, grit fields, or a speed printed as 13.3 rpm lose points. A contents line that says cutting discs loses more.

3

Review outcome

25%

Comments about weld or rust work score higher than a file with no star line. Fast wear, vibration, and bent flaps on arrival are deductions. Themes are taken from the stored notes.

4

Value

15%

Shelf price in GBP against a pack you can still describe. The lowest price does not win this block on its own when the review count is 15 or the diameter is 125 mm. The best-value mark is the lowest shelf price among 115 mm packs that print 40 grit, a Type 29 claim, zirconia alumina, and 13,300 rpm.

Independent review
Last updated: October 2026
6 sources checked

Flap disc buying guide

Match the guard first, then the marked rpm, then Type 27 or Type 29, then grit and grain. Pack price comes last. The table is twelve amazon.co.uk listings captured on 19 October 2026. This is not a timed wear test. A mixed-grit title is not one finish grade.

What is a flap disc?

A flap disc is a consumable for a UK angle grinder. Overlapping abrasive flaps sit on a fibreglass or plastic hub. You use it at an angle to grind, blend and finish metal, and some listings also name wood. Most shoppers already own a 115 mm (4.5 inch) grinder with a 22.23 mm bore. Quality, on these pages, means the guard fits, the speed rating is at least the grinder’s no-load speed, a grit and grain suited to the job, and a readable safety mark where the listing prints one.

Best for

  • Rust and weld cleanup on a 115 mm grinder, with a grit and type that match the angle
  • A first 40 grit conical pack when you can accept a short review line

Not ideal for

  • A 115 mm guard if the only disc in the box is 125 mm
  • A single finish grade if the title is an assortment of four grits

Mistakes to avoid

  1. 1

    Buying only by pack price

    A 50-pack is poor value when the grit or the type is wrong for the job. Size, rpm, shape and grit come before the price per disc.

  2. 2

    Using a flat disc at a steep angle

    Type 27 is for roughly 0–15°. A tall weld cap wants a Type 29 angle, about 15–25°, if the disc in the box is actually conical.

  3. 3

    Trusting a spec line that says 13.3 rpm

    That figure on the MIDO listing is an error, not a safe maximum. Read the rpm on the disc label before you fit it.

What to weigh up

Diameter, speed and shape

High

The guard decides the diameter. Eleven packs are 115 mm. Gmozkrn is 125 mm and does not belong on a 115 mm guard. Every row here shows a 22.23 mm bore. Match the marked maximum rpm to the grinder. 13,300 rpm is the common print. 13,700 rpm is higher. 13,000 rpm is lower. A blank rpm, and a line that says 13.3 rpm, are not speeds you can compare. Shape is the next cut. Type 27 is flat, for blending at a shallow angle. Type 29 is conical, for stock removal at about 15–25°.

Grit, grain and price

High

40 grit is the heavy-removal grade on the top pick and the best value. 60 grit is the Awutzut pack. 80 grit is the Nisorpa 50-pack, about £0.66 a disc and the wrong first disc for a heavy weld cap. Mixed titles, 40/60/80/120, are several jobs in one box. Zirconia and zirconia alumina are named on the higher-scoring coarse packs. Ceramic is one 20-pack whose profile is not stated. Aluminium oxide is the budget grain. A contents line that says cutting discs is a different consumable.

Which option suits you?

Three typical situations, each with a recommendation from this comparison.

Rust and weld cleanup at home

You own a 115 mm grinder and want a coarse flat disc for shallow blending. The PRETEC 12-pack is the top pick: Type 27 zirconia, 40 grit, 13,300 rpm, about £11.99, with 4.6 from 112 reviews. Life varies in those reviews, and the URL ASIN differs from a field on the capture.

Our recommendation

View offer

Lowest spend on a conical 40 grit

You want a Type 29 claim in zirconia alumina for stock removal, at the lowest shelf price in the set. Okeno Select is the best value at £9.99 for 10 discs, 13,300 rpm. amazon.co.uk shows 5.0 from only 15 reviews, so the star line is thin.

A stock of 80 grit discs

You already want light blending, not a heavy weld cap, and you want the lowest price per disc in the table. Nisorpa is 50 × 115 mm, 80 grit aluminium oxide, about £32.99 and about £0.66 a disc, with 4.4 from 68 reviews. The profile cell does not say Type 27 or Type 29.

Common questions about flap discs

Which flap disc is the top pick?
The top pick is the PRETEC 12-pack at about £11.99. The listing says 115 mm, Type 27, zirconia, 40 grit, a 22.23 mm bore and 13,300 rpm, and those fields agree with the title. amazon.co.uk shows 4.6 from 112 reviews that mention weld cleanup and also say life and finish vary. It is a flat disc for a shallow blend, about 0–15°, not a steep weld grind. The capture’s ASIN field was B0CSSVHYFL while the URL is B0CSSX6VDD, so check the box. EN 13743 is not printed.
Which flap disc is the best value?
The best value is the Okeno Select 10-pack at £9.99. That is the lowest shelf price here for a 115 mm disc with 40 grit, zirconia alumina, a Type 29 claim and 13,300 rpm. amazon.co.uk shows 5.0 from 15 reviews on 19 October 2026, which is too short a line to treat as a stable score. Comments mention weld cleanup and also say life varies. The profile cell repeats the title. EN 13743 is not printed.
What is the difference between Type 27 and Type 29 flap discs?
Type 27 is the flat flap disc. Trade guides put it at roughly 0–15° to the work, for blending and finishing. Type 29 is the conical disc, at roughly 15–25°, for stock removal and weld grinding, where more of the face meets the work. Several packs here put T29 in the title while the profile cell says something else. Read the disc label, not only the title. A flap disc is not a thin cutting disc and not a 6 mm grinding wheel.
What rpm should a 115 mm flap disc show?
The marked maximum on the disc must be at least the no-load speed of the grinder. Most 115 mm listings here print 13,300 rpm. Nisorpa prints 13,700 rpm. SDLONLIGR prints 13,000 rpm, which is below that cluster, so compare it with your machine. MIDO’s spec line prints 13.3 rpm. That is a listing error, not a safe speed. Do not mount that pack until the disc label shows a real maximum. The 125 mm Gmozkrn pack prints no rpm.
Can I fit a 125 mm flap disc on a 115 mm grinder?
No. Eleven packs here are 115 mm. Gmozkrn is the only 125 mm pack, at £12.99. A matching 22.23 mm bore does not make a 125 mm disc safe under a 115 mm guard. Do not remove the guard to fit an oversized disc. Buy it only for a 125 mm guard, and only after the label shows an rpm. The title says a 9-pack of mixed Type 29 discs. The pack field says 1 and the grit field says 120.
Which flap disc grit should I buy?
Coarse 36–40 grit is for heavy removal. 60–80 grit is for deburring and rust. 80–120 grit is for finishing. PRETEC and Okeno Select are 40 grit. Awutzut is 60 grit. Nisorpa is 80 grit, which is the wrong first disc for a heavy weld cap. A title that lists 40, 60, 80 and 120 is an assortment, not one finish. Aluminium oxide is the common budget grain. Zirconia and ceramic are faster-cutting claims on these listings, not a measured removal rate.
What safety rules apply to flap discs?
At work, PUWER 1998 and HSE guidance on abrasive wheels expect training and a guard in good condition. In a home garage, do not exceed the rpm on the disc, keep the guard between you and the disc, secure the workpiece, and wear eye and hearing protection. FEPA’s leaflet recommends a one-minute trial run at operating speed. EN 13743 is the mark to look for when a listing prints it. Many packs here do not name a standard. That means not stated.
Why do some flap disc titles disagree with the table?
Several listings disagree with themselves. Merryland’s title says 20 discs and the pack field says 1. Anesty’s title says a mixed 20-pack and the fields say pack size 1 and grit 120. Gmozkrn’s title says nine mixed discs and the fields say one disc at 120 grit. Total Abrasives’ contents line says metal cutting grit discs on a double-flap title. Treat a clash as a reason to read the live page and the packet before you fit a disc. A star rating does not settle the count.

Our verdict

The top pick is the PRETEC 12-pack at £11.99: 115 mm Type 27 zirconia, 40 grit, 13,300 rpm, with 4.6 from 112 reviews and fields that agree with the title. Reviewers still say life and finish vary, and the capture’s ASIN field differs from the URL. The best value is Okeno Select at £9.99, a 10-pack with 40 grit, a Type 29 claim, zirconia alumina and 13,300 rpm. That award is the lowest shelf price among packs with that specification. The 5.0 is from 15 reviews only. A 5.0 from four reviews, and a 4.6 from 1,230 reviews beside a 13.3 rpm line, do not take either award.

Best overall
Okeno Select flap discs

Okeno Select flap discs

View offer
Best value
Okeno Select flap discs

Okeno Select flap discs

Lowest shelf price among 115 mm packs that print 40 grit, a Type 29 claim, zirconia alumina and 13,300 rpm, at £9.99. The star line is 5.0 from 15 reviews.

View offer

Editorial

Peter F. - Editor
Editor
DIY & toolsSandersAbrasive discs

Peter F. is the editor for DIY & tools at productscompared.co.uk. Comparisons in this category are checked against amazon.co.uk listings, review evidence and public UK sources.

Updated: October 2026
6 sources checked

Guides to flap discs

Guides on what to look for, how to use a product, and common mistakes.

Related comparisons

Sources

Sources taken from the research digest. Prices, stars and review counts are the stored amazon.co.uk listing figures from 19 October 2026.

  1. FEPA safety leaflet — flap discs (retrieved 19.10.2026)
  2. Engweld UK — flap disc guide (retrieved 19.10.2026)
  3. Norton Abrasives UK — flap disc guide (retrieved 19.10.2026)
  4. HSE HSG17 — safety in the use of abrasive wheels (retrieved 19.10.2026)
  5. HSE — PUWER overview (retrieved 19.10.2026)
  6. Cutwel UK — grinding discs explained (retrieved 19.10.2026)

This article contains affiliate links. If you buy through these links we may earn a small commission, at no extra cost to you. Prices, stars and review counts come from stored amazon.co.uk listings. We did not run a lab test.