Triangle Shank Titanium Coating HSS Fully Ground Twist Drill Bits
drill bits_twist drill bits_fully ground Twist Drill Bit
Material: HSS, M35(5% cobalt), M42(8% cobalt) all are available for these type of twist drill bits
The titanium coating for the drill bits can decrease friction between bit and workpiece, extending the bit life
Titanium nitride coating give the drill bits up to six times longer than standard high speed steel.