SpeTool ATS Coated Insert 4 Wing 2.5" Diameter 1/2" SHK Surfacing Router Bit
SpeTool ATS Coated Insert 4 Wing 2.5" Diameter 1/2" SHK Surfacing Router Bit
SpeTool ATS Coated Insert 4 Wing 2.5" Diameter 1/2" SHK Surfacing Router Bit
SpeTool ATS Coated Insert 4 Wing 2.5" Diameter 1/2" SHK Surfacing Router Bit
SpeTool ATS Coated Insert 4 Wing 2.5" Diameter 1/2" SHK Surfacing Router Bit
SpeTool ATS Coated Insert 4 Wing 2.5" Diameter 1/2" SHK Surfacing Router Bit
SpeTool ATS Coated Insert 4 Wing 2.5" Diameter 1/2" SHK Surfacing Router Bit

SpeTool CA W05003 CNC Spoilboard ATS Coated Insert Carbide 4 Wing, Surfacing, Planing, Flycutting & Slab Leveler 2-1/2" Diameter x 1/2" Shank Router Bit

SKU: CA-IP4F-2-1/2-D1/2-ATS
$89.15 CAD

Shipping calculated at checkout

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: 1/2" shank, 2-1/2" cutting diameter, 4-wing carbide inserts (12×12×2.2 mm, 35° straight hole) for precise surfacing.
  • FAST & EFFICIENT: 4-wing design delivers smooth, high-speed cuts with fewer passes.
  • LONG-LASTING VALUE: ATS-coated, 4-sided inserts provide up to 2.5× tool life—rotate or replace inserts, not the whole bit.
  • WIDE USE: Ideal for slab flattening, spoilboard surfacing, and bottom cleaning on CNC or handheld routers; works with wood, MDF, plywood, and more.
22 in stock
Quantity:
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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.

Customer Reviews

Based on 99 reviews
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A
Anomika
Great little bit.

Surfaced my spoilboard like a champ. The other options I looked at where 400$ so I'm very happy with the affordable result. I don't think the 400$ bit would have made my board more flat.

T
Tai lake
Tropical slab flattening

Just finished milling 6 koa slabs , Outstanding cut and finish. I have a very basic router sled and secured the router to control any chatter but keeping feed rate reasonable and cut at about 1/16 made this almost fun!!!!!

S
SF Resident
Perfect!

Essentially flawless result flattening a 2x4 laminated workbench / smooth as a planed surface. Great value. Do this this outside as the amount of chips is insane!

User picture
h
happy customer
Worked as expected

Very clean surfacing of a black walnut and epoxy clock project. No tear out and blades held up after surfacing two sides of an 18 inch circle. I have a bigger project coming up and am optimistic this will get the job done.

M
Mr. Pizza
EXCELLENT CUTTER FOR CNC ROUTER

This works quite well and quickly on a CNC router set up.

Just make sure you get a very good tram on the router head or you will get ripples in the finish because of the size of the cutter.

It did a great job!! Highly recommended!!!

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