10" Three Square Bastard File Shopify Collective The AISI 8650 steel shaft

The AISI 8650 steel shaft is made from a strong Ni-Cr-Mo alloy that's hardened to 50–54 HRC

Part Number KFD3F13/16

Part Number: BIT-DWDCO7/8

Part Number DWRRBSS7/16

10" Three Square Bastard File Shopify Collective The AISI 8650 steel shaftProduct 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 DIC16147 Size 10" Material Carbon Steel