Cobalt High Speed Steel Fractional Straight Shank Jobber Length Drill Bits


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Cobalt High Speed Steel Fractional Straight Shank Jobber Length Drill Bits Features:

  • Constructed of M-35 5 percent cobalt high speed steel for super abrasive resistance in tough metals
  • Heavy duty spiral flute design produces faster chip ejection
  • Shorter cutting lips reduce torque for drilling in high tensile strength materials.
  • 135-degree split point reduces feed pressure for easier penetration without work hardening
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Shop OnlineItem #SizeTwist LengthOverall LengthBulk
Shop Online 631041/16"7/8"1-7/8"*
Shop Online 631055/64"11/16"1-11/16"*
Shop Online 631063/32"3/4"1-3/4"*
Shop Online 631077/64"13/16"1-13/16"*
Shop Online 631081/8"7/8"1-7/8"*
Shop Online 631099/64"15/16"1-15/16"*
Shop Online 631105/32"1"2-1/16"*
Shop Online 6311111/64"1-1/16"1-1/8"*
Shop Online 631123/16"1-1/8"2-3/16"*
Shop Online 6311313/64"1-3/16"2-1/4"*
Shop Online 631147/32"1-1/4"2-3/8"*
Shop Online 6311515/64"1-5/16"2-7/16"*
Shop Online 631161/4"1-3/8"2-1/2"*
Shop Online 6311717/64"1-7/16"2-5/8"*
Shop Online 631189/32"1-1/2"2-11/16"*
Shop Online 6311919/64"1-9/16"2-3/4"*
Shop Online 631205/16"1-5/8"2-13/16"*
Shop Online 6312121/64"1-11/16"2-13/16"*
Shop Online 6312211/32"1-11/16"3"*
Shop Online 6312323/64"1-3/4"3-1/16"*
Shop Online 631243/8"1-13/16"3-1/8"*
Shop Online 6312525/64"1-7/8"3-1/4"*
Shop Online 6312613/32"1-15/16"3-5/16"*
Shop Online 6312727/64"2"3-3/8"*
Shop Online 631287/16"2-1/16"3-7/16"*
Shop Online 6312929/64"2-1/8"3-9/16"*
Shop Online 6313015/32"2-1/8"3-5/8"*
Shop Online 6313131/64"2-3/16"3-11/16"*
Shop Online 631321/2"2-1/4"3-3/4"*
Shop Online 633041/16"7/8"1-7/8"
Shop Online 633055/64"11/16"1-11/16"
Shop Online 633063/32"3/4"1-3/4"
Shop Online 633077/64"13/16"1-13/16"
Shop Online 633081/8"7/8"1-7/8"
Shop Online 633099/64"15/16"1-15/16"