Cobalt Bronze Number 12" Aircraft Extension Drills
12" Aircraft Extension Drills for drilling holes in hard to reach places. Manufactured to NAS 907 Type J specifications, 135 degree split point, surface treated with jobber flute lengths. Cobalt Steel for higher performance in tougher materials.
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
12" overall length for extra reach in hard to reach places
Bronze surface treatment for high lubricity
Round shank
Applications:
Drilling holes in high strength materials
Heavy-duty drilling
Drilling in hard to reach places
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
