21/64″ Split Point, Cobalt Steel Jobber Length Drill Bit

Description

21/64″ Fractional Size Cobalt Steel Drill Bit. Decimal Equivlaent-.3281 Flute Length-3-5/16″ Overall Length 4-5/8″ Manufactured To National Aerospace Standard 907. Made Of Heat Resistant Cobalt , These Drills Display Higher Red Hardness Which Permits Speeds Of Up To 30% Greater Than High Speed Steel Drills And Are Especially Effective In Drilling Tough, High Tensile Strength Materials Like Ph Stainless Steel, Iconel, And Titanium. The 135 Degree Split Point Is Self-Centering And Reduces Thrust. Sizes Smaller Than 1/16″ Have The Standard 118 Degree Point.