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#317.300.11 CMT Boring Bit RH 30x57MM 10SH

Item #402937 CMT
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Product Information:

CMT Hinge Boring Bits are ideal for hinges. Use one on boring machines equipped with adaptors or chucks. For drilling accurate and clean-cut blind holes in solid wood, wood composites, plastic and laminated materials.


  • Super-strength steel

  • Cutter portion coated with orange or black P.T.F.E.

  • HW head with precision balanced center point

  • 2 HW precision ground cutting edges (Z2)

  • 2 negatively ground spurs (V2)

  • Parallel shank with driving flat and length adjusting screw
  • California Residents: Click here for Proposition 65 information.