- Hi-line's Aviation Type B adapter drills are made from cobalt high speed steel and are manufactured to NAS 965 Type B specifications with 135 deg heavy duty split points and surface treated for drilling hard, tough high tensile strength materials
- When drilling low tensile strength materials, the Type B 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 (Long) |
Size | 1/4" |
Material | Cobalt High Speed Steel |
Length | 2-1/8" |
Drill Style | Fractional Inch |
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 |