half-round file

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Related to half-round file: needle file

half-round file

(General Engineering) engineering a file having a semicircular cross-section

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You'll also need a half-round file, and a set of needle files for clean-up.

Metal checkering made easy (ER)!

The next day I used a fine cut rasp along with a half-round file to shape the insert to the contour of the stock.

Renovating a "Gun Show Special" stock: Coffield got himself a hot deal on a Springfield stock at a small local show, thanks to some ill-advised customizing by the previous owner. Here's how he turned it into a good-looking piece for a future project

A half-round file ($6 at home centers and hardware stores) matches the curve of the latch hole.

Fix a door latch that won't catch

Smooth the curved inner surface with a half-round file, then smooth the bypass surface with a flat file or hone.