Holiday Sale 10 X 12″ Aircraft Extension Drill Bit Cobalt GLBCOX1210

Specs

Quantity: 1 PC

Diameter: #10 (approximately 0.1935 in)

Overall length: 12 in

Material: Cobalt high-speed steel (Co-HSS)

Bit type: Aircraft extension drill bit designed for deep-hole work

Features

Extended reach: 12″ length enables deep-hole drilling in aircraft skin, frames, and bulkheads without repositioning complex assemblies

Heat and wear resistance: Cobalt-based tooling provides better edge retention when drilling through hardened metals and fatigue-resistant alloys common in aerospace

Maintains hole accuracy: Long-bit design helps keep holes straight in tight or awkward spaces typical of aircraft construction and maintenance

Chuck fitment: Fits standard drill chucks that accept extended-length cobalt bits in handheld drills and drill presses

Application scope: Ideal for metal fabrication tasks in aerospace, automotive, and industrial maintenance requiring deep, precise holes

Material handling note: Not intended for wood or masonry; use with appropriate material-specific bits

Physical

Overall length: 12 inches

Diameter: #10 (0.1935 in)

Material: Cobalt high-speed steel (Co-HSS)

Bit type: Aircraft extension drill bit designed for deep-hole work