Silver and Deming High Speed Steel Fractional 1/4" Reduced Shank Drill Bit -21/ Cooling System 8 point socket is also

8 point socket is also commonly referred to as double-square or railroad sockets

1/4" NPT air inlet

The heat resistant Kevlar&trade

prevents stiff fingers

Silver and Deming High Speed Steel Fractional 1/4" Reduced Shank Drill Bit -21/ Cooling System 8 point socket is alsoSilver and Deming High Speed Steel Fractional 1 4" Reduced Shank Drill Bit 21 32" Features and Benefits: Bit is constructed of M 7 high speed steel for high resistance to abrasion during tough drilling applications Three flatted shank design provides better chuck grip and reduces slippage; ideal for use in keyless chucks All Silver and Deming bits are 6" long and feature a 1 2" reduces shank that fits all 1 2" drills Standard 118 degree point for use