UAN660-Drillco® Aircraft Extension Drill Bit

• Manufactured to NAS 907 Type J specifications, 135 degree split point, surface treated with jobber flute lengths for drilling holes in hard to reach places
• Heavy-duty construction for portable or machine drilling in high tensile strength alloy steels, stainless steels, titanium, and other difficult to machine materials

Specifications

• Material: High Speed Cobalt
• Drill Size: 13/32"
• Decimal Drill Size: 0.4063"
• Overall Length: 12"
• Flute Length: 3-7/8"
• Point Angle: 135°

Additional Specifications

• Finish: Bronze