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Coarse Cut Carbon Composite Routers | Series 31 & 31M


KSPT carbon composite routers were designed for maximum performance in CFRP materials. We partnered with a leading aerospace company to launch the original Series 20, a design focused on trimming and finishing in demanding applications requiring minimal fiber breakout and delamination. The addition of the Series 31 geometry adds the benefit of fewer and deeper flutes than the original Series 20 CCR to avoid clogging during heavy routing CFRP applications

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End Mill Icon
  • 5-10 flute options available.
  • Fewer, deeper flutes to prevent clogging in heavy routing.
  • Left-hand flutes engineered to control the fibers within CFRP, preventing excessive fiber breakout.


Chip Breaker End Mill Icon
  • Features chipbreakers for optimal chip removal.
  • Unique clearance grind minimizes contact between tool diameter and workpiece eliminating friction.
  • Excels at trimming and profiling difficult and abrasive fiber filled plastics.


Di-namite Logo
Ti-Namite-b coating logo
  • This is the hardest coating available with the best abrasion resistance. It is carbon based so it is limited in application capabilities. This coating is suitable for machining highly abrasive, non-ferrous materials such as CFRP and graphite.
  • This ceramic-based coating ensures a smooth surface and a low affinity to cold welding or edge build-up, which makes it optimal for aluminum and copper applications. It has high toughness and high hardness.
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Series Details

Lineup Details

  • Cutting Diameter: 1/4"-1/2" | 6,0 mm -12 mm
  • Flute Length: 1"-1 1/2" | 25,0 mm - 38,0 mm
  • Overall Length: 2 1/2"-3 1/2" | 63,0 mm - 89,0 mm
  • Shank Diameter: 1/4"-1/2" | 6,0 mm - 12,0 mm
  • Number of Flutes: 5-10
  • End Style: No End Cutting, End Cutting
  • Coating(s): Di-NAMITE, Ti-NAMITE-B, Uncoated

Primary Material Applications

  • Plastics / Composites

Industry Applications

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Power Generation

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Mold & Die

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Casting & Foundries

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General Engineering



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Router Brochure


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Aerospace Tooling Solutions


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Composite Machining Solutions

Tool Matrix


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Coarse Cut Carbon Composite Routers Speeds / Feeds

Turbine blade manufactured on a 5th axis CNC machine and an end mill.


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