Drill Bits Black Oxide.. Black Oxide Drill Bit 5/16" Manufactured To Aerospace Naps 907-B Specifications. No Center Punch Needed: Century Quick-Cut Points Are Self Centering And Penetrate Faster With Less Pressure, Will Not Walk Or Wander At The Starting Surface.
75mm, Drill Bit Point Angle 140 Degrees , Decimal Equivalent 0.Jobber Drill Bit, Drill Bit Size 14.5807, Metric, Drill Bit Point Type Self-Centering Point, Coolant Through, Number of Coolant Holes 2.