High speed steel with M-35, 5% cobalt for higher heat & abrasion resistance. 135 degree split point to minimize walk. Heavy duty web construction for strength & durability. Shorter cutting lips reduce torque for drilling in high tensile strength materials. Alloy metal drilling on hardened steel, cast iron & stainless steel. Size: 17/64" 135 degree split point to minimize walk 5% cobalt for higher heat & abrasion resistance Heavy duty web construction for strength & durability For tough metal drilling Including heavy duty abrasive Shorter cutting lips reduce torque for drilling in high tensile strength materials. Alloy metal drilling on hardened steel, cast iron & stainless steel Ideal for use with screw extractors Carded.
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