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.#27 Cobalt Very Stubby Threaded Shank Drill Bit Overall Length 3/8 When drilling low tensile strength materials..
They are also appropriate for tapping the vast majority of materials in through or blind holed conditions. Plug Style: Generally used in thru holes. 4-40 HSS Machine and Fraction Hand Bottoming Tap, Finish: Uncoated (Bright) Hand Taps are the most versatile taps for hand use, or for tapping under power.
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.#3 Cobalt Short Threaded Shank Drill Bit Overall Length 1-1/4 When drilling low tensile strength materials..