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The feed screw and dual cutting edges permit fast cutting of clean holes that are ideal for feeding wire or bolts
Torx® Keys will drive Torx®
fast-curing
Cutting power is maximized with a precision machined center cut design
Irwin 1877714 Drill Bit, 1/4 in Dia, 1-17/32 in OAL, Countersink, 5-Flute, 1/4 in Dia Shank, Round Shank paint--07-13-26 The feed screw and dualPrecision ground 82 deg tip for countersinking most machinable metals, wood or plastic. HSS with black oxide coating for corrosion resistance. Five flute design reduces chatter for smoother drilling and extended life. Precision grind process removes the burr from cutting edge for cleaner cuts Made of high grade heat treated forged steel, plated and black oxide finished to prevent rust Black oxide finish resists corrosion Five flute design reduces