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Number Sizes

Screw Machine Length, General Purpose Drill Bits. Number Sizes 1-30.

  • Screw Machine Length Drill Bit – Size #30

    #30 general purpose drill bit, screw machine length, 135° split point, hi-speed steel, black surfaced

  • Screw Machine Length Drill Bit – Size #20

    #20 general purpose drill bit, screw machine length, 135° split point, hi-speed steel, black surfaced

  • Screw Machine Length Drill Bit – Size #8

    #8 general purpose drill bit, screw machine length, 135° split point, hi-speed steel, black surfaced

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