Special high-temperature surface treatment for superior wear resistance, ideal for harder carbon and alloy steels
Special 118 degree Winslow helical point geometry is self centering and requires feed pressure
1/2" shank bits for drilling with drills 1/2" and above
Fits all 1/2" drills and drill presses
Diameter: 17/32"
Over all length: 6"
Flute length: 3-7/8"
This drill bit is specially designed for drilling harder carbon and alloy steels. The high speed steel bit is hardened and tempered for long life and high performance in tough applications.