7/16″ X 6″ Aircraft Extension Drill Bit Cobalt GLBCOX67/16 Save Now

One-piece cobalt aircraft extension drill bit measuring 7/16″ in diameter and 6″ in overall length. Optimized for hard metals and alloys, it delivers extended reach for deep or recessed drilling applications commonly encountered in aerospace fabrication and precision assembly.

Specs

Diameter: 7/16 in

Overall length: 6 in

Material: cobalt alloy

Type: cobalt aircraft extension drill bit

Quantity: 1 piece

Features

Cobalt alloy construction: increased hardness and heat resistance to extend bit life when drilling hard metals and alloys.

Extended reach: 6″ length enables drilling deep or recessed holes, especially with extension setups.

Chip evacuation and wear resistance: designed for stable chip removal and reduced wear during longer drilling sessions in demanding environments.

Ideal use cases: suited for aerospace-related hardware and fabrication scenarios requiring a long-reach, high-performance drill bit.

Physical

Package quantity: 1 piece

Size: 7/16″ diameter, 6″ length

Material: cobalt alloy