SST+ Drill bit sets
Packaged in sturdy metal index containers or shock resistant, extra-thick polyethylene carrying case. Drill bit sizes are clearly marked on inside panels for easy identification and selection. Metal panels are hinged and neatly folded into box.
Features:
Made with premium grade cobalt HSS to drill harder materials
Self centering 135° split-point for reduced thrust requirements and minimized walking
Cobalt drills can drill approximately 30% faster than HSS drills
Special bronze SST surface treatment for extreme lubricity and life
1/2" reduced shank
3-flats shank for reduced slippage in drill chucks
Applications:
Drilling holes in high strength materials
Heavy-duty drilling
Drilling large diameter holes
Drilling with handheld power tools
Tech Tips:
Speed, feed, and lube are all critical to cutting tool performance
Proposition 65:
Cobalt metal powder