Think & Tinker, Ltd.
CNC router bits and carbide cutting tools with tutorials and technical guides

Counter-board Chamfering / Engraving / Cutout Bits (EM2E8-1250) Specifications

These tools were designed with the assistance of numerous steel rule die shops that needed  low-cost, high-speed tools for chamfering counter board channels and for depaneling the finished counters. 


Specifications

  • Geometry - 2 flute, 1/8 in. (3.18 mm) shank, spiral "V" point
  • Length - 1.50 in. ±0.010 in.
  • Tip angle - nominal  ± 1°
  • Tip web thickness - 0.015 in.
  • Shank dia. - 0.1250 in. (3.18 mm) +0.00, -0.0002 in.
  • Runout (TIR) - ± 0.0002 in.
  • Max. Depth of Cut ( DOC) - varies by tip angle
  • Anticipated Life - 6,000 linear inches (Micarta®, Black Max®)
  • Material - solid submicrograin carbide
  • Ring Set - 0.800 in. ± 0.002 in. (optional)
  • Operating RPM - CNC certified operation 40k RPM to 100k RPM

Applications

  • Counter board channel chamfering
  • Counter board separation (depanelization)
  • Engraving plaques, awards, medallions, and labels


Benefits

  • Cuts Micarta® at 100 - 120 in./min. @ 40,000 RPM
  • Cutting edge geometry virtually top edge lifting and fraying.
  • True spiral geometry insures efficient debris removal
  • 30°, 45°, 60° & 90° tips optimized for chamfering and through-cutting glass-phenolic and paper-phenolic counter board substrates
60° Chamfering / Cutout
60° tip

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