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317 Extreme Hinge Boring Bits Total Length = 57mm


Extreme Spur Design for Industrial use with single stroke. Use on boring machines equipped with adaptors or chucks. Use for drilling accurate and clean-cut blind holes in solid wood, wood composites, plastic and laminated materials.

Additional Information

SKU D L S Code RH Code LH
317.200.EX 20mm 57.5 10×26 317.200.41 317.200.42
317.350.EX 35mm 57.5 10×26 317.350.41 317.350.42

Technical Details
  • Extreme Spur Design.
  • Cutter portion coated with orange or black P.T.F.E.
  • HW head with precision balanced centre point.
  • 2 HW precision ground cutting edges (Z2).
  • 2 negatively ground spurs (V2).
  • Parallel shank with driving flat and length adjusting screw.

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