Service Warehouse: Metal Cutting drill bits
Metal Cutting Drill Bits. Cobalt High Speed Drill Bits These Straight Shank Heavy Duty High and Reduced Shank Heavy Duty High Speed 135° Split Point Bits contain 8% Cobalt. The cobalt content adds high abrasion resistance to the bit's hard working properties. Reduction in friction means less heat build up; therefore, they keep their cutting edge and last longer than non-cobalt high speed bits.
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