39 X 12″ Aircraft Extension Drill Bit Cobalt GLBCOX1239 Certified

This item is a single cobalt aircraft extension drill bit with a 12-inch reach and a #39 diameter, designed to tackle deep or recessed metal drilling tasks without excessive workpiece repositioning.

Specs

Quantity: 1 PC

Diameter: #39

Overall length: 12″

Material: Cobalt

Type: Aircraft extension drill bit

Features

12″ overall length provides extended reach for drilling in deep or recessed metal areas

Cobalt alloy construction offers durability for demanding drilling tasks

Extension design enables access to hard-to-reach locations in constrained spaces

Ideal for metal fabrication, maintenance, and repair scenarios where long-reach drilling is needed

Physical

Diameter: #39

Length: 12″

Material: Cobalt

Design: Aircraft extension drill bit