12" Three Square Second File BoltsandNuts.com Part Number DWDDL12X35/64

Part Number DWDDL12X35/64

Part Number DEWPIL1X3/8

Tap Drill Size #66

Each set comes with one spiral flute screw extractor and matching left hand high speed steel drill bit in a plastic pouch

Y-Type bits: Y000

12" Three Square Second File BoltsandNuts.com Part Number DWDDL12X35/64Product Description Three square files are triangular in cross section, and are double cut and have fairly sharp corners that are slightly set and cut. These files are for general use by machinists for filing internal angles more than the right angle, for clearing out square comers and filing taps and cutters. Grading of cuts according to coarseness is the same as Square File. Brand Drill America Part Number DIC16215 Size 12" Material Carbon Steel