Drillco 1200A120 High Speed Steel Black Oxide Aircraft Ext Drill Bits 5/16" x 12"

Drillco 1200A120 High Speed Steel Black Oxide Aircraft Ext Drill Bits 5/16" x 12"

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.

Product Features

• 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

Applications

• Drilling holes in medium and high strength materials
• Heavy-duty drilling
• Drilling in hard to reach places