Nibbler

For other uses, see Nibble (disambiguation).

Manual nibbler, punch-and-die type

A nibbler, or nibblers,^[1] is a tool for cutting sheet metal with minimal distortion. One type operates much like a punch and die, with a blade that moves in a linear fashion against a fixed die, removing small bits of metal and leaving a kerf approximately 6 mm wide. Another type operates similar to tin snips, but shears the sheet along two parallel tracks 3–6 mm apart, rolling up the waste in a tight spiral as it cuts. Nibblers may be manual (hand operated) or powered.

Power nibblers are often powered by compressed air, though electrical types also exist. A common DIY nibbler tool is an electric drill attachment, which converts the rotary motion of the drill into a reciprocating motion of the jaw.

Detail of cutting bit of manual nibbler, punch-and-die type
Shear-type nibbler and detail of cutting head

References

↑ Jeffery Zurschmeide Automotive Welding: A Practical Guide 2009 1932494863- Page 26 "Nibblers make a ragged cut and also leave thousands of little sheetmetal nibbles all over your shop. ... Power shears are the best tool going for cutting sheetmetal, but they cost more than a nibbler, and a lot more than a set of hand shears."

Metalworking

Forming, fabrication, and finishing

General	Fabrication Piece work Sheet metal

Forming processes	Coining Drawing Electrohydraulic forming Electromagnetic forming Explosive forming Forging Hydroforming Progressive stamping Punching Rolling Sinking Spinning Swaging Tube bending

Joining processes	Brazing Crimping Riveting Soldering Welding

Finishing processes	Anodizing Galvanizing Heat treating Mass finishing Patination Peening Plating Polishing

Tools

Cutting machines	Bandsaw Cold saw Laser Miter saw Plasma Water jet cutter

Cutting tools	Broach Burr Chisel Counterbore Countersink End mill File Hand scraper Milling cutter Nibbler Reamer Shears Tipped tool Tool bit

Forming tools	Brake Die English wheel Hydraulic press Machine press Punch press Screw press Stamping press

Hand tools	Clamp Combination square Drift pin Hacksaw Hammer Hand scraper Machinist square Needlegun scaler Piercing saw Pliers Punch Scriber Tap and die Tongs Vise Workbench Wrench

Machine tooling	Angle plate Chuck Collet Fixture Indexing head Jig Lathe center Machine taper Magnetic base Mandrel Rotary table Wiggler

Measuring instruments	Bore gauge Caliper Center gauge Dial indicator Engineer's blue Engineer's spirit level Feeler gauge Gauge Gauge block Go/no go gauge Height gauge Machinist square Marking blue Marking gauge Marking out Micrometer Optical comparator Radius gauge Ruler Sine bar Straightedge Surface plate Tape measure Thread pitch gauge Vernier scale

Smithing tools	Anvil Forge Fuller Hardy tools Pritchel Steam hammer Swage block Trip hammer

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