Irwin Cobalt High Speed Metal Drill Bit Size (Inches):13/64 4 mm Saw blade diameter

4 mm Saw blade diameter 355 mm

or rusted fasteners

Delivers up to 140 min of run time using BL1860B on normal setting

and fit-out work

lbs (60 Nm) Vibration Level

Irwin Cobalt High Speed Metal Drill Bit Size (Inches):13/64 4 mm Saw blade diameterIrwin 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