Irwin Tools 3016032 Cobalt Jobber Drill Bit, 1/2"

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.

• Cobalt drill bit
• With 3/8" reduced shank to fit in all 3/8" drills
• 135 degree split point to minimize walk
• High speed steel with M-35, 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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