Circular saw blade tooth count for the edge you see
Updated: 22 October 2026
You are down to wood blades that already fit the saw, 165 mm, 20 mm bore, speed mark read, and now the filter on amazon.co.uk is 24 versus 40 versus 60 versus 80 teeth. Fewer teeth rip faster and clear chips. More teeth leave a cleaner edge and ask for a slower feed, which loads the motor more on a cordless. This page applies that trade-off to the listings in the [circular saw blade comparison](/hub/saw-accessories/circular-saw-blade), not to every disc sold in the UK. Bore, diameter, and rpm are already assumed to match.
You are down to wood blades that already fit the saw, 165 mm, 20 mm bore, speed mark read, and now the filter on amazon.co.uk is 24 versus 40 versus 60 versus 80 teeth. Fewer teeth rip faster and clear chips.
You are down to wood blades that already fit the saw, 165 mm, 20 mm bore, speed mark read, and now the filter on amazon.co.uk is 24 versus 40 versus 60 versus 80 teeth. Fewer teeth rip faster and clear chips. More teeth leave a cleaner edge and ask for a slower feed, which loads the motor more on a cordless. This page applies that trade-off to the listings in the circular saw blade comparison, not to every disc sold in the UK. Bore, diameter, and rpm are already assumed to match.
Our top picks
| Badge | Product | Teeth | Diameter | Kerf | Note | Price | Offer |
|---|---|---|---|---|---|---|---|
| Best overall |  DeWalt DeWalt DT10624 twin 165 mm 24-tooth | 24 | 165 mm | Not stated | 8.6 | about £21.87 | View offer |
 Saxton Saxton TCT18580T20B 185 mm 80-tooth | 80 | 185 mm | 2.4 mm | 8.8 | about £13.99 | View offer | |
| Best value |  Saxton Saxton TCT16560T 165 mm 60-tooth thin kerf | 60 | 165 mm | 1.5 mm | 8.6 | about £12.99 | View offer |
On this page
Count the teeth on the blade, not the teeth per inch
Hand saws and jigsaw blades are often sold by teeth per inch. A circular blade is sold by total tooth count on the disc. A 165 mm 40-tooth blade is forty teeth around the rim, not TPI measured along a straight edge. UK size charts describe bands: roughly 24 for aggressive rip, about 40 for general timber, 60 to 80 when the edge will be seen, assuming diameter and grind already match the saw.
A 185 mm 80-tooth disc on a 165 mm saw is a diameter error, not a tooth choice. Fit checks are in the circular saw blade buying guide.
24 teeth and 40 teeth for framing timber
First-fix work hides the cut, so speed beats a mirror finish. The DeWalt twin, B07DFTTKXJ, is two 165 by 20 mm 24-tooth blades for about £21.87, 4.8 from 275 reviews, used for coarse framing and nails. Kerf is not in the fields held here, and the material line says Resin.
The DeWalt DT10640-QZ 40-tooth at about £15.67, 4.7 from 1,889 reviews, is the general wood band: coarser than 60 or 80, less brutal than 24 on sheet. Neither listing states kerf, so measure the disc before you set a riving knife. A visible edge on the same 165 mm saw steps up to 60 or 80.
60 teeth and 80 teeth when the edge will be seen
Visible edges reward higher counts and a steadier feed. The Saxton 165 mm 60-tooth thin kerf, B06XNZCBHY, at about £12.99 states kerf 1.5 mm and plate 1.0 mm. It is the best value pick when a riving knife still fits that plate. The Saxton 165 mm 80-tooth, B0CB8NNT9K, at £13.99 states 2.0 mm kerf.
On 185 mm saws, the Saxton 80-tooth B07ZDYYKRN at £13.99 with 2.4 mm kerf is the top pick, 4.7 from 2,502 reviews. More teeth do not mean a thinner plate: the 60-tooth disc is the thin-kerf member. Eight ratings at 4.9 on the negative-rake 185 mm blade do not outweigh that file.
ATB is a wood grind, not a metal licence
Saxton wood blades in this table state ATB, alternating top bevel, for timber fibres. They do not state TCG, triple chip grind, which UK charts often associate with laminates and non-ferrous metal on different machines. Higher tooth counts on these discs tie to cross-grain finish on wood, not to steel plate.
A 48-tooth count on the BRSCHNITT disc is a ferrous metal blade with a 5,000 rpm cap, not a middle wood count. Evolution’s 80-tooth aluminium blade is another tool again. If you need metal, leave this page for wood or metal circular saw blade. Do not infer TCG from an ATB bullet.
When the title and the model line disagree
Tooth count is a fact you can count on the disc. The .PRO blade, B0DKZ7BGLF, shows 80 teeth in the title and 60 in the model line at about £10.99. Neither field wins until you count the tips. The Saxton 185 mm top pick shows model field TCT18540T20B while the title says 80 teeth. Verify before the first cut. A number-of-items field of 60 can mean pack quantity or teeth, depending on the listing. Missing carbide or a cracked plate means scrap.
Common questions
How many teeth should a circular saw blade have for ripping timber?
On a wood blade that already fits, about 24 is the fast rip band in this set’s DeWalt twin, two 165 mm blades at about £21.87. About 40 is the general framing band on the DeWalt single at about £15.67. Hidden edges favour those counts over 80. Neither listing states a kerf you can set a riving knife from.
Is 40 teeth enough for everyday softwood, or do I need 60?
Forty is enough for general cuts where the edge is not on show. Move to 60 or 80 when melamine, worktops, or flooring faces the room. The 40-tooth DeWalt is still coarser than the Saxton 60-tooth thin kerf, which states a 1.5 mm kerf for a 165 mm saw.
Do 60 and 80 teeth cut cleaner, and will they load a cordless saw more?
Yes to both tendencies. More teeth improve edge quality with a slower feed, which draws more current on a battery saw. Thin kerf on the 60-tooth Saxton, 1.5 mm kerf and 1.0 mm plate, mitigates that load and does not remove it. The 80-tooth 185 mm Saxton is not the thinner plate.
Does an ATB grind mean the blade can cut aluminium or steel?
No. ATB on these Saxton wood listings stays in the timber and board family. Metal needs other ASINs and a speed check. The BRSCHNITT 48-tooth disc is ferrous, with a 5,000 rpm cap and a never-use-on-wood bullet. Evolution’s 80-tooth blade in this set is the 255 mm aluminium specialist.
Is a thinner kerf the same decision as a higher tooth count?
No. Kerf and plate thickness affect motor load and the riving-knife gap. Tooth count affects finish and feed rate. The 60-tooth Saxton is the thin-kerf member at 1.5 mm. The 80-tooth Saxton at 185 mm states a 2.4 mm kerf and a 1.6 mm plate, so more teeth are not a thinner disc.
Related pages
Sources
Public UK sources and the amazon.co.uk listings stored for this comparison on 19 October 2026. Page updated 22.10.2026.
- HSE WIS16: Circular saw benches — Safe working practices (retrieved 19 October 2026)
- HSE: Circular saw benches used for ripping (retrieved 19 October 2026)
- HSE: Woodworking machinery standards (retrieved 19 October 2026)
- HSE L114: Safe use of woodworking machinery (retrieved 19 October 2026)
- BSI: BS EN 847-1:2017 (retrieved 19 October 2026)
- Trend: Saw blade safety sheet (retrieved 19 October 2026)
- DeWalt DCS391 instruction manual (retrieved 19 October 2026)