Left-Hand Rotation Mechanics Length Cobalt High Speed Drill Bits Are Used For Use With Screw Extractors.
Left-Hand Rotation Mechanics Length Cobalt High Speed Drill Bits are made for long lasting durability and dependability. Constructed of M-42 8 percent cobalt high speed steel for superior abrasive resistance in tough metals. Heavy duty spiral flute design produces faster chip ejection. Shorter cutting lips reduce torque for drilling in high tensile strength materials. 135-degree split point reduces feed pressure for easier penetration without work hardening. Available in wide selection of 7/64, 1/8, 5/32, 7/32, 1/4, 19/64, 5/16, 11/32, 3/8, 7/16, 15/32 and 1/2 inch sizes with 1 to 2-7/8 inch flute lengths and 2-3/16 to 5 inch overall lengths.
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