Irwin Cobalt Alloy High Speed Steel Fractional Straight Shank Jobber Length Drill Bits 7/16-Inch Size:7/16" Only Channellock(TM) uses a knife

Only Channellock(TM) uses a knife and anvil style cutting edge to ensure perfect mating and superior cutting edge life

for cutler-hammer

US Coast Guard Approved

Tip no wider than shank for recessed holes and tight spaces

Irwin Cobalt Alloy High Speed Steel Fractional Straight Shank Jobber Length Drill Bits 7/16-Inch Size:7/16" Only Channellock(TM) uses a knifeConstructed of M 35 5 percent cobalt alloy high speed steel for super abrasive resistance in tough metals Heavy duty spiral flute design produces faster chip ejection Shorter cutting lips reduce torque for drilling in high tensile strength materials. 135 degree split point reduces feed pressure for easier penetration without work hardening