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SpeTool W05004 1-1/4 Inch Spoilboard Surfacing Router Bit, 1/4 Inch Shank, 2+2 Flute with Replaceable Carbide Inserts, ATS Coated Slab Flattening Bit

SKU: IP2FS-1-1/4-D1/4-4T-ATS-4IPA
$58.99 USD
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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: ¼" shank, 1-¼" cutting diameter, 2+2 flute design with 10×10×2.2 mm four-edge carbide inserts.

FAST & SMOOTH: Two cutting flutes and two up-shear scorers deliver efficient material removal and a cleaner, smoother finish.

LONG-LASTING VALUE: ATS-coated carbide inserts provide up to 2× tool life. Includes 4 extra carbide inserts—rotate or replace inserts, not the bit.
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Local delivery
Free shipping
90-day Refund
365-Day Warranty

Smooth starts with the right bit.
Flattenning planer router bit SpeTool

Industrial strength. Woodworker approved.
3-wing Surfacing Router Bit Planer Bit 2" Diam SpeTool

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
W05001 1" 1/4" 1-4/5" 2+2 O01002 18,000
*W05001-ATS 1" 1/4" 1-4/5" 2+2 ATS O01008 18,000
W05002 2" 1/2" 2-1/5" 3 O01001 18,000
*W05002-ATS 2" 1/2" 2-1/5" 3 ATS O01004 18,000
W05003 2-1/2" 1/2" 2-4/5" 4 O01001 18,000
*W05003-ATS 2-1/2" 1/2" 2-4/5" 4 ATS O01004 18,000
W05004 1-1/4" 1/4" 2" 2+2 O01002 18,000
*w05004-ATS 1-1/4" 1/4" 2" 2+2 ATS O01008 18,000
W05010 3" 1/2" 2-5/6" 2+2 O01001 18,000
*W05010-ATS 3" 1/2" 2-5/6" 2+2 ATS O01004 18,000
W05014 3-1/4" 1/2" 3" 5 O01010 12,000

*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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