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

• IRWIN INDUSTRIAL TOOL CO 63120 5/16 COB Drill Bit

IRWIN INDUSTRIAL TOOL CO 63120 5/16 COB Drill BitHANSON