Cobalt High Speed Steel Fractional Straight Shank Jobber Length Drill Bit - 5/16" Electric and Cordless Tools Displays geometry and metallurgical structure

geometry and metallurgical structure

1/4" Drive 7" Long Handled Professional Series Chrome Ratchet

Prongs depress the "barbs" on conventional terminals

19mm (yellow) and 21mm (red)

Cobalt High Speed Steel Fractional Straight Shank Jobber Length Drill Bit - 5/16" Electric and Cordless Tools Displays geometry and metallurgical structureCobalt High Speed Steel Fractional Straight Shank Jobber Length Drill Bit 5 16" Features and Benefits: Constructed of M 42 5 percent cobalt high speed steel for super abrasive resistance in tough metals Heavy duty spiral flute design produces faster chip ejection Shorter cutting tips reduce torque for drilling in high tensile strength materials 135 degree split point reduces feed pressure for easier penetration without work hardening