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

PreciseBIT Counter-board Channel Cutter (RC3D8)


Specifications

  • 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®)

Applications

  • Machining counter-board channels in matrix and composite materials.
  • Slotting FR-4 and other electronic substrates
  • Engraving in thin substrates


B
enefits

  • Shallow fish tail point insures smooth channel profile 
  • High flute volume supports high feed rates / chip loads
  • Cutting edge geometry virtually eliminates chatter at high feed rates
  • Straight flute geometry eliminates lifting and gouging of the substrate
Channel Cutter
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Channel Tip