You can helpexpand this article with text translated fromthe corresponding article in German. (June 2020)Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation, likeDeepL orGoogle Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consideradding a topic to this template: there are already 1,956 articles in themain category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. Youmust providecopyright attribution in theedit summary accompanying your translation by providing aninterlanguage link to the source of your translation. A model attribution edit summary isContent in this edit is translated from the existing German Wikipedia article at [[:de:Nibbeln]]; see its history for attribution. You may also add the template{{Translated|de|Nibbeln}} to thetalk page. For more guidance, seeWikipedia:Translation.

Anibbler (orpair of nibblers^[1]) is a tool for cutting sheet metal with minimal distortion. It may be used for "nibbling": cutting a contour by producing a series of overlapping slits or notches.

One type of nibbler 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 akerf approximately 6 mm (0.24 in) wide. Another type operates similar to tin snips, but shears the sheet along two parallel tracks 3–6 mm (0.12–0.24 in) 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 bycompressed air, though electrical types also exist. A commonDIY nibbler tool is anelectric drill attachment, which converts the rotary motion of the drill into a reciprocating motion of the jaw.

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

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