Century Drill & Tool 13/64 in. X 3-5/8 in. L Cobalt Drill Bit Straight Shank 2 pc

Description

Drill Bits Cobalt. Cobalt Drills Are Designed To Cut Through Extremely Hard Metals, Including Stainless Steel. No Center Punch Needed: Century 135 Degree Quick-Cut Points Are Self-Centering And Penetrate Faster With Less Pressure, Will Not Walk Or Wander At The Starting Surface. Extremely Heat Resistant, Must Be Used And Operated In Power Units That Have A Rpm Speed Of 1.500 Or More For Maximum Efficiency. Aerospace Nas 907-J Specifications. 12X Life Rating, Comparison To The Average 118 Degree Point High Speed Steel Drill.