B3918 Drill Bit Cobalt 15/64" Quality bits constructed of cobalt high speed steel for superior wear resistance in tough metals. These Cobalt drills bits are suitable for drilling heavy metals and have a 135° split point that self centers on material.
Features:
Cobalt steel extends cutting edge life and maintains cutting life after re-sharpening Extra hard drill for greater wear 135° split point tip starts on contact, cuts with less force