Think & Tinker, Ltd.
CNC router bits and carbide cutting tools with tutorials and technical guides
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3-flute Carbide Counter-board Channel Cutter (RC3D8) - (0.125" shank)

  • Geometry - 3 high-shear straight-flutes, stub length, 1/8 in. (3.18 mm) shank, fish tail point
  • Length - 1.5 in. ±0.010 in.
  • Diameter - nominal +0.0000 in., -0.0010 in.
  • Shank dia. - 0.1250 in. (3.18 mm) +0.00, -0.0002 in.
  • Runout (TIR) - ±0.0002 in.
  • Max. depth of cut - 0.125 in. ±0.005 in.
  • Anticipated Life - min. 10,000 linear inches (composite, Micarta®)
  • Material - solid submicrograin carbide
  • Operating RPM - CNC certified operation 20k RPM to 100k RPM
  • Feeds / speeds - min. 175 - 200 in./min. @ 40 KRPM (Micarta®)
Carbide 3-flute Zero Helix Counterboart Channel Cutters for Phenolics and Composites 3-flute zero helix high-rake tip

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Depth setting ring
Item # Description Unit Price Depth Ring Enter Qty.
RC3D8-0295-014F  0.0295 in. (0.75mm) dia, 3 straight-flute, fish-tail counter-board channel bit, 0.138 in. DOC   $15.70    Sale Price: $8.50   
RC3D8-0313-014F  0.0313 in. (0.79mm) dia, 3 straight-flute, fish-tail counter-board channel bit, 0.138 in. DOC   $15.70    Sale Price: $11.41   
RC3D8-0315-014F  0.0315 in. (0.80mm) dia, 3 straight-flute, fish-tail counter-board channel bit, 0.138 in. DOC   $15.70   
RC3D8-0450-009F  0.0450 in. (1.143mm) dia, 3 straight-flute, fish-tail counter-board channel bit, 0.090 in. DOC   $15.70   
RC3D8-0450-009FC  0.0450 in. (1.143mm) dia, ZrN coated 3 straight-flute, fish-tail counter-board channel bit, 0.090 in. DOC   $19.00   
RC3D8-0600-013F  0.0600 in. (1.524mm) dia, 3 straight-flute, fish-tail counter-board channel bit, 0.125 in. DOC   $15.70   
RC3D8-0600-013FC  0.0600 in. (1.524mm) dia, ZrN coated 3 straight-flute, fish-tail counter-board channel bit, 0.125 in. DOC   $19.00   
RC3D8-0945-032F  0.0945 in. (2.400mm)dia, 3 straight-flute, fish-tail counter-board channel bit, 0.315 in. DOC   $13.85   
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