DRILLCO - 5/16,6" AIRCRAFT EXTENSION DRILLS - 1100A120

6" Aircraft Extension Drills for drilling holes in hard to reach places. Manufactured to NAS 907 Type C specifications, 135 degree split point, surface treated with jobber flute lengths. Heavy duty construction for portable or machine drilling.
Made with premium grade HSS to last longer
Self centering 135° split-point for reduced thrust requirements and minimized walking
Black oxide surface treatment for improved life
6" overall length for extra reach in hard to reach places
Round shank