When drilling low tensile strength materials, the Type "D" cobalt drill will have a significantly greater tool life than the NAS 965 Type B high speed steel adapter drill, resulting in a much lower cost per hole.#49 Cobalt Long Threaded Shank Drill Bit Overall Length 2-1/8 When drilling low tensile strength materials..
1-5/16in-27 UNS HSS Plug Tap and 1-9/32in HSS 1/2in Shank Drill Bit Kit High speed steel hand taps can be used for making new threads or re-threading damaged threads.
1-5/16in-27 UNS HSS Plug Tap and 1-9/32in HSS 1/2in Shank Drill Bit Kit High speed steel hand taps can be used for making new threads or re-threading damaged threads.