Last Chance 7/16″ X 12″ Aircraft Extension Drill Bit HSS DWDA/CX127/16
Original price was: $13.38.$6.96Current price is: $6.96.
Specs
Quantity: 1 piece
Diameter: 7/16 in (0.4375 in)
Overall length: 12 in
Material: High-Speed Steel (HSS)
Type: Aircraft extension drill bit
Shank designation: DWDA/C
Features
Long reach: 12″ reach for deep-hole drilling in recessed or tight spaces (engine bays, frames, bulkheads, machinery housings).
HSS construction: Durability and heat resistance for metal drilling tasks.
Optimized flute geometry: Efficient chip removal and reduced binding during extended passes.
Aircraft-extension design: Maintains alignment in narrow bores and challenging angles.
Materials: Suitable for drilling into steel alloys and aluminum found in aerospace and industrial applications.
Limitations: Not intended for carbide or cobalt applications; for extreme materials consider specialty tools.
Physical
Overall length: 12 inches
Diameter: 7/16 inch
Shank designation: DWDA/C
Pack quantity: 1 piece





