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Nibbler vs metal shears

Updated: October 2026

You can describe the edge you need and you still do not know which name to type. One tool leaves a continuous cut and can stretch the sheet. The other eats a slot and leaves the surround flatter. This nibbler vs metal shears page is that choice, mapped onto the eight amazon.co.uk listings in our [cordless metal shears comparison](/hub/lawn-and-garden-equipment/cordless-metal-shears). Products Compared did not run a distortion test. A qualifying purchase through our links can earn a commission at no extra cost to you.

You can describe the edge you need and you still do not know which name to type. One tool leaves a continuous cut and can stretch the sheet. The other eats a slot and leaves the surround flatter.

Our top picks

Bostar Bostar shear with 2× 4.0Ah

Best overall

Bostar Bostar shear with 2× 4.0Ah
5.8/10about £75.99
View offer
Bosch Professional Bosch Professional GSC 12V-13

Rank 2

Bosch Professional Bosch Professional GSC 12V-13
8.4/10about £264.97
View offer
Deyitong Deyitong nibbler 2.0 mm, Makita

Best value

Deyitong Deyitong nibbler 2.0 mm, Makita
7.1/10about £106.99
View offer
On this page
  1. 1.What each tool takes out of the sheet
  2. 2.Curves, holes, and a rotating head
  3. 3.Chips versus a wavy edge
  4. 4.Which listings in this comparison are which

What each tool takes out of the sheet

A single-cut shear is a powered scissor. The blades pass the sheet and no strip of metal falls out between them. Tooled-up, a UK merchant, describes some distortion along the edge as the usual result. Both pieces can remain usable if you can dress that edge. UK reviews of the Bosch GSC 12V-13 sit on duct ends. A nibbler punches a small bite and moves forward, so a slot disappears as chips. Cladding guides and Tooled-up say the surround stays usable for intricate shapes. You pay for that flatness with a missing strip. One UK review of Deyitong's about £106.99 nibbler put the slot at about 6 mm. That is one person's estimate, not the size field. If you need both offcuts, use a shear. If the surround must stay flat, use a nibbler and spend the slot.

Curves, holes, and a rotating head

A tight curve or a cut-out is where the two tools separate again. Tooled-up says a nibbler handles tight curves and starts from a hole you drill so the die can enter. Bosch publishes a 15 mm minimum radius for the GSC 12V-13, but a UK review says shapes inside the sheet are the weaker job. You can drill access holes and keep the line on the waste. Rotation is not a radius and it is not a nibbler. Roadtime's shears and the Bostar shear advertise a head that turns through 360°. On the Bostar the lock is a hex-key screw. The blades still will not ride a corrugation. If the drawing is a hole in cladding, follow the how to cut sequence.
Bostar Bostar shear with 2× 4.0Ah

Testsieger

Bostar Bostar shear with 2× 4.0Ah
5.8/10about £75.99
View offer

Chips versus a wavy edge

Shears do not shower you with crescents. The edge can wave if the panel is thin and unsupported. Nibblers make chips that travel. One buyer of the reviewed nibbler returned it after about 30 minutes, so a flat surround is a mechanism claim, not proof that body lasts a day. If the sheared edge stays too wavy after you support the sheet, a nibbler is next, provided you can lose the slot. If the nibbled hole is wider than the penetration, do not take a second pass with the same punch. None of the eight listings is a double-cut shear.

Which listings in this comparison are which

Five listings are shears: three Roadtime bodies from about £54.14 to about £56.99 with no star line, Bostar's kit claim at about £75.99, and the Bosch GSC 12V-13 at about £264.97 with 101 reviews. Three listings are nibblers, all Deyitong. The reviewed body at about £106.99 has 62 reviews and a 2.0 mm size field. The two 2125 bodies at about £79.99 have two ratings or none. Pick the Bosch shear when the edge is flat, you already own a 12 V pack, and a mild wave is acceptable. Pick the reviewed Deyitong nibbler when the surround must stay flat and you already own Makita 18 V packs. Do not pick an about £54 shear for a corrugation because the head rotates. The roofing page is that profile.

Common questions

Which tool leaves both pieces usable?
A single-cut shear leaves no waste strip, so both sides can stay in the job if you can dress a stretched edge. A nibbler removes a slot, and one UK review put that slot at about 6 mm, so the punched strip is scrap. If the offcut is a second panel, the shear is the mechanism.
Which tool keeps the sheet flatter?
The nibbler, in the account UK merchants give. The punch takes a chip and the surround is not pulled through scissor blades, which is why cladding guides prefer it for shapes and profiles. A shear's usual cost is some distortion along the cut. Flatness is the reason to accept chips.
Can a shear do a tight curve if the head rotates 360°?
The rotation changes the handle position, not the cutting radius. Bosch publishes 15 mm as the minimum curve for the GSC 12V-13. Roadtime and Bostar publish a turning head and do not publish that radius. Turning the head on a shear does not make the blades punch a slot.
How wide is a nibbler cut?
The only width in our files is a UK review of the about £106.99 Deyitong, about 6 mm. The listing's size field is thickness, 2.0 mm, not kerf. Other nibblers in the set do not state a slot width. Do not treat 6 mm as a universal die size.
Do shears make chips?
A single-cut shear does not drop a waste strip the way a nibbler does. You still get a sharp edge and small burrs that need a deburr. Double-cut shears are not identified on any of these eight listings. If the bench is covered in crescents, you are holding a nibbler or you are grinding.
Is a double-cut shear in this set?
No listing here is described as double-cut. The shears are single-cut in the merchant sense: scissor action, no waste strip, possible distortion. The three Deyitong tools are nibblers, which remove metal by punching rather than by a second pair of blades.

Related pages

Cordless metal shears buying guide

Cordless metal shears

Best cordless metal shears UK: who should skip them

Cordless metal shears for roofing: ribs and flashing

How to use cordless metal shears without a torn edge

Sources

Capacity and noise for the GSC 12V-13 are Bosch Professional GB. Shear and nibbler use is Tooled-up, UK Planet Tools and Milwaukee Tool UK. Supply duties are the Supply of Machinery (Safety) Regulations 2008. Noise action values are the Control of Noise at Work Regulations 2005, regulation 4. Vibration values are the HSE summary of the Control of Vibration at Work Regulations. DeWalt's nominal 18 V line is the UK 18V XR battery page. Prices and stars are the amazon.co.uk captures dated 19 October 2026. This is not a lab test.

  1. Bosch Professional GB, GSC 12V-13 (retrieved 19 October 2026)
  2. Tooled-up, nibblers versus shears (retrieved 19 October 2026)
  3. UK Planet Tools, cordless shears and nibblers (retrieved 19 October 2026)
  4. Milwaukee Tool UK, metal shears (retrieved 19 October 2026)
  5. GOV.UK, Supply of Machinery (Safety) Regulations 2008 (retrieved 19 October 2026)
  6. Control of Noise at Work Regulations 2005, regulation 4 (retrieved 19 October 2026)
  7. HSE, hand-arm vibration regulations (retrieved 19 October 2026)
  8. DeWalt UK, 18V XR 5Ah battery (retrieved 19 October 2026)