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Precision crafted from premium high speed steel
Special high-temperature surface treatment for superior wear resistance
Special 118 degree Winslow helical point geometry is self centering and requires feed pressure
Fits all 1/2" drills and drill presses Drill Bit Stats:
Fractional jobber length
Over all length: 6"
Flute length: 3-7/8"
1/2" reduced shank 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.
ACDelco has over 100 years of experience in the automotive industry and is a brand of GM Customer Care and Aftersales, a division of General Motors. ACDelco employs a two- or three-tiered distribution model, utilizing a network of appointed wholesale distributors to service independent installers, ACDelco independent service centers, retail and fleet customers.