Special Offer 1/4″ X 6″ Aircraft Extension Drill Bit Cobalt GLBCOX61/4

1/4 inch diameter, 6 inch long cobalt aircraft extension drill bit designed for deep-hole work in metal assemblies. Cobalt alloy composition delivers higher hardness and heat resistance for longer bit life when drilling hard metals.

Specs

Quantity: 1 piece

Diameter: 1/4 in (0.25″)

Overall length: 6 in

Material: Cobalt alloy steel

Type: Aircraft extension drill bit (extended reach)

Package: 1 piece

Features

Extended reach enables drilling deep or recessed holes in metal assemblies without repositioning workpieces.

Cobalt alloy construction provides enhanced hardness and heat resistance, improving bit life when drilling hard metals.

Suitable for tough alloys capable of drilling into stainless steel, cast iron, and other hard metals commonly found in aircraft and industrial equipment.

One-piece design reduces breakage and wobble during demanding drilling tasks.

Lubrication guidance best used with proper lubrication to extend bit life when drilling hard metals.

Physical

Overall length: 6 inches

Diameter: 1/4 inch

Material: Cobalt alloy steel

Package: 1 piece