F (0.257″) Letter Gauge Norseman Premium Cobalt Jobber Length Drill Bit 8990

Item Number: CTD08990

$5.99

F LETTER PREMIUM COBALT DRILL BIT J/L

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Product Description

135°Split Point – M42 Cobalt – NAS 907J. Manufactured from M42 HSS containing 8% cobalt which increases high red hardness. Cobalt drills require rigidly held positive feed drilling equipment. Titanium Aluminum Nitride can be used in machining stainless steel, nickel based and titanium alloys, not recommended for aluminum.

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