Must Have 49 X 12″ Aircraft Extension Drill Bit Cobalt GLBCOX1249

Specs

Quantity: 1 PC

Diameter: #49

Overall length: 12″ (12 inches)

Material: Cobalt (HSS-Co) aircraft extension drill bit

Features

Coated cobalt alloy provides improved heat resistance and wear life when drilling hard metals

12″ extended length enables deep-hole access in tight or recessed areas

Long-reach design tailored for aerospace/aircraft maintenance and other metalworking tasks requiring extended bits

Enhanced longevity vs standard HSS for deep-hole drilling in stainless steel and high-strength alloys

Use cases ideal for engine components, aerospace fixtures, stainless steel panels, and other hard-metal applications where extended reach matters

Physical

Overall length: 12 inches

Diameter: #49

Construction: cobalt alloy (HSS-Co) extension drill bit