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1-1/4" X #28 Threaded NAS / COBALT Drill Bit

Pkg Qty: 1
  • Hi-line's Aviation Type “D” adapter drills are made from cobalt high speed steel and are manufactured to NAS 965 Type “D” specifications with 135° heavy duty split points and surface treated for drilling hard, tough high tensile strength materials
  • When drilling low tensile strength materials, the Type “D” cobalt drill will have a significantly greater tool life than the NAS 954 Type “B”, high speed steel adapter drill, resulting in a much lower cost per drill
Type Drill Bit
Style Threaded NAS / COBALT
Size #28
Material Cobalt High Speed Steel
Length 1-1/4"
Drill Style Numbered
Shank Size 1/4"-28
Point Type 135° Split Point
Finish Black Oxide
Specifications NAS 965 Type “D”
Application For use in Stainless Steel, Titanium and Inconel
Cutting Direction Right Handed