Crescent Nicholson 11716 Round Bastard File 1/4 Inch x 6 Inch

6 inch square bastard file. Square profile filed on all four faces, used for keyways, slots, and rectangular openings in fabrication and machine shop work.

4 inch round bastard file at 102 mm. Tapered round profile enlarges holes and finishes curved surfaces in fabrication and machine shop work.

10 inch half round bastard file. Heavier coarse-cut profile handles flat and curved stock removal in fabrication and industrial maintenance work.

Machinist's round bastard file, 5/16 inch by 8 inch, boxed. Tapered round profile for enlarging holes and filing curved surfaces in fabrication and machine shop work.

Machinist's round bastard file, 3/8 inch by 10 inch, boxed. Larger tapered round file for hole work and curved surface stock removal in fabrication.