New Arrival 21/64″ X 6″ Aircraft Extension Drill Bit HSS D/AA/CX621/64

Specs

Quantity: 1 piece

Diameter: 21/64″ (0.328125″)

Overall length: 6″

Material: High-Speed Steel (HSS)

Designation: D/AA/C

Features

Extended reach for drilling in tight or recessed areas common in aircraft maintenance, metal fabrication, and precise automotive work.

Durable HSS construction capable of drilling through steel, aluminum, and other common alloys.

Aircraft extension design enables access to deep holes without excessive workpiece repositioning.

Long-hole suitability optimized for deep-hole applications requiring a longer bit.

Precisely sized at 21/64″ diameter with 6″ length for targeted drilling tasks.

Physical

Length: 6 inches

Diameter: 21/64 inch

Material: High-Speed Steel (HSS)

Design: Aircraft extension drill bit for deep-hole access