Irwin Cobalt High Speed Metal Drill Bit Size (Inches):7/16 protection of indoor floor)

protection of indoor floor)

High efficiency by high speed

Spot measurement enables you to perform measurement with great ease

Oversized T handle for extra torque

Point: 630 – 650

Irwin Cobalt High Speed Metal Drill Bit Size (Inches):7/16 protection of indoor floor)Irwin COBALT High Speed Steel Jobber Length Drill Bits 135 SPLIT POINT GRINDING ensures perfect centering and reduced drilling pressure GROUND FLUTE Industrial quality ground flute for high accuracy drill and fast removal of chips COBALT ALLOYED Drill Bit body manufactured from high quality HSS steel containing 5% cobalt. The added 5% Cobalt improves the red hardness (heat resistance) of the drill bit and results in significantly extended life SURFACE