12" Three Square Second File BoltsandNuts.com Part Number DWDST17/32

Part Number DWDST17/32

Grade 5 Fine Thread Hex Nuts Zinc Plated

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

Part Number DWRRN

12" Three Square Second File BoltsandNuts.com Part Number DWDST17/32Product 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