SpeTool spoilboard surfacing router bit with four screw-mounted cutting inserts.
SpeTool EU W05007 Nickel-Plated ATS COATED CARBIDE INSERT 2+2 FLUTES SPOILBOARD 38.1MM DIA x 8MM SHANK ROUTER BIT
SpeTool surfacing router bit with close-ups showing how its cutting inserts are mounted.
SpeTool surfacing router bits and a spare square cutting insert on a wooden board.
Surfacing router bit machining wood, with examples of materials shown below.
SpeTool surfacing router bit viewed from the cutting end, showing four square inserts.

SpeTool EU W05007 Nickel-Plated ATS COATED CARBIDE INSERT 2+2 FLUTES SPOILBOARD 38.1MM DIA x 8MM SHANK ROUTER BIT

SKU: IP2FB-38.1-D8-G
€48,94 EUR €64,76 EUR
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Spoilboard Surfacing Router Bits are built for fast, smooth, and precise flattening of CNC spoilboards, slabs, and large wood surfaces. With ultra-sharp carbide inserts and a durable body, they deliver clean cuts, extend tool life, and reduce sanding—perfect for keeping your CNC bed true and ready for accurate machining.

Excellent For Cutting:

  • MDF
  • Chipboard
  • Hardwood
  • Plastic
  • Plywood
  • Fiberboard
  • Softwood
  • Acrylic

TOOL SPECS: 8mm shank, 38.1mm cutting diameter, 2+2 flute design with 10×10×2.2mm four-edge carbide inserts, ATS-coated and nickel-plated for enhanced durability.

FAST & SMOOTH: Two cutting flutes and two up-shear scorers provide efficient material removal and a smoother spoilboard surface finish.

LONG-LASTING VALUE: Nickel-plated body and ATS-coated inserts deliver up to 2× tool life. Includes replacement inserts—rotate or replace inserts, not the bit.
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Smooth starts with the right bit.
Flattenning planer router bit SpeTool

Industrial strength. Woodworker approved.
SpeTool insert surfacing router bit held horizontally in a spindle

From rough to refined—fast.
Flattenning planer router bit SpeTool

More cut. Less time. No compromise.

Similar Size

Part No.

Cutting Dia.
(D)

Shank Dia.
(d)

Overall Length
(L)

Flute
(F)

 Coating Repl. Blades
 		Rec. RPM
IP2F-25-D8 26mm 8mm - 2 O01001 18,000
IP4F-75-D12 75mm 12mm - 2+2 O01001 18,000
IP4F-75-D12-G
 		75mm 12mm - 2+2 ATS O01004 18,000
IP3FC-38-D8
 		38.1mm 8mm 50mm 3 O01010 18,000
W05006 60mm 12mm - 3 O01001 18,000
W05005 35mm 8mm - 3 O01003 18,000
W05005 ATS 35mm 8mm - 3 ATS O01009 18,000
W05006 ATS 60mm 12mm - 3 ATS O01004 18,000
W05007 38.1mm 8mm - 2+2 O01001 18,000
W05007 ATS 38.1mm 8mm - 2+2 ATS O01004 18,000
W05008 45mm 12mm - 2+2 O01001 18,000
W05008 ATS 45mm 12mm - 2+2 ATS O01004 18,000
W05009 40mm 8mm - 2+2 O01003 18,000
W05009 ATS 40mm 8mm - 2+2 ATS O01009 18,000

*Customized sizes are acceptable

Frequently Asked Questions

Designed for leveling and cleaning the sacrificial spoilboard on CNC tables or router sleds. Wide diameter and multiple flutes ensure efficient flattening.

A ½" shank offers greater rigidity and less vibration compared to thinner shanks.

Replaceable insert bits (like Amana's with 4-sided knives) offer better longevity—cheaper over time versus replacing entire bits.

Absolutely—surfacing bits perform flat surfacing much faster than small end mills, significantly reducing runtimes.

Yes—but may still require sanding afterward for full smoothness.

Community reports describe dust clouds on “cosmic scales”—strong dust collection is essential.

Routers with 2¼ HP+, ½" collet, variable speed, and soft start are preferred. Examples: Porter-Cable 890, Bosch 1617 EVS.

Some recommend raising spoilboard height or using a shorter sled to compensate.

Yes—take shallow passes, reduce RPM, and keep bit moving to avoid burning.

Use appropriate feed/fine passes and larger diameter bits; users reported no ridges on 5×8’ table using 2.5" bit.
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W
Wooden Symphony
As expected

Top quality.best possible results.
Arrived really fast