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5/16In Cobalt Drill Bit
5/16In Cobalt Drill Bit

IRWIN® 5/16In Cobalt Drill Bit



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• HSS-135 Degree Point
• Jobber Length
• Straight Shank
• Diameter X OA Length In Inches : 5/16

Manufacturer's Part Number: #3016020

Big R SKU: #202572

• High speed steel with M-35, five percent cobalt, for higher heat and abrasion resistance; heavy duty web construction for strength and durability.
•Split point begins drilling immediately, minimizing bit walk when used in applications such as metal drilling

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