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The Nicholson mill hand file is 4" long and has a rectangular shape with single-cut coarse (also known as bastard) American pattern teeth on the sides and edges for sharpening mill or circular saws and draw filing for a rough finish. The file tapers slightly toward the point to ease access into grooves. The file has single-cut American pattern teeth for sharpening and deburring, and square edges for filing sharp corners. The tang can be used with an optional handle for secure gripping (sold separately).
Hand files are used to remove material and smooth and shape workpieces. They have forward-facing cutting teeth and cut when pushed over either a stationary or rotating workpiece. Single-cut teeth have single rows cut diagonally across the width of the file. Double-cut teeth have two sets of rows cut in opposite directions. American pattern files have three coarseness grades. Coarse, also known as bastard cut, is suitable for efficient, heavy material removal where finish is not a concern. Medium, also known as second cut, offers average material removal and finish quality. Fine, also known as smooth cut, provides the smoothest finish. Swiss pattern files have eight coarseness grades, from 00 (coarse), 0 (medium), and 1 to 6 (fine to finest), offering a smoother, more precise finish than equivalent American pattern files.
Nicholson manufactures hand tools and power tool accessories. The company is headquartered in Sparks, MD.
Customer
Reviewed in the United States on January 5, 2025
First time I dropped the round file, it broke like glass. The half round file, the teeth chipped away. The mill bastard file was the only one that work.
Marcel
Reviewed in Canada on May 14, 2024
I had one of these type of small files for a long time. They're not called spark plug files really... as well as half a dozen other names, so I had a heck of a time finding a 4 inch file. Finally I came across this one. These are so handy for darn near everything. Small, light, sharp and easy to store just about anywhere. It's my go to fixer-upper.
Craig L.
Reviewed in the United States on October 9, 2024
Worked well for its intended use, slotting a custom knife guard.
Mikey
Reviewed in the United States on September 27, 2023
I use superglue to build plastic model airplanes. The seams can be tough to sand down without taking the surrounding plastic with it. I used a craftsman smooth cut ignition file for filing down and shaping the seams then sanding smooth. After using on ignition points and other jobs it became slick didn't do the job on plastic anymore. Most ignition files today are double cut and leave grooves that must be sanded out after shaping.This 4 in. file is almost as small as an ignition file and works perfect. It will be used on plastic models only as I don't file ignition points now days. Glad I found this.
bv
Reviewed in the United States on December 8, 2023
Best files on the market can't go wrong with Nicholson.
Robert G.
Reviewed in the United States on February 26, 2020
replacements for aging files
Gary Lavorgna
Reviewed in the United States on August 7, 2016
Nicholson makes the best files. Been using them for over 50 years.
Richard C Taylor
Reviewed in the United States on February 13, 2016
Just right for cleaning up in tight places.
Customer
Reviewed in the United States on December 11, 2016
was what I expected.
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