Cobalt Bronze Fractional Screw Machine Length Drills
M42 Cobalt High Speed Steel for super abrasive resistance in tough metals. Used in left hand screw machines and with screw extractors. Can be used to drill out broken bolts and other hardened fasteners. 11pc set in rollup pouch.
Features:
Made with premium grade cobalt HSS to drill harder materials
Cobalt drills can drill approximately 30% faster than HSS drills
Self centering 135° split-point for reduced thrust requirements and minimized walking
Left handed flutes and cutting edges allow for counter-clockwise drilling
Bronze surface treatment for high lubricity
Shorter screw machine length adds rigidity to the drill bit to reduce breakage
3-flats shank for reduced slippage in drill chucks
Made in USA
Applications:
Counterclockwise drilling for easy removal of broken bolts
Technical Tip:
Speed, feed, and lube are all critical to cutting tool performance
Proposition 65:
Cobalt metal powder
? WARNING: This product can expose you to chemicals including Cobalt, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
