DRILLCO - 31/64,AIRCRAFT EXTENSION 12" OVERALL LEN - 1200A131

12" 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
12" overall length for extra reach in hard to reach places
Round shank