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CNC Spoilboard Surfacing Router Bit, 1/4" Shank 1" Cutting Diameter, Carbide Insert Slab Flattening Router Bits Planing Bit Wood Planer Bit Woodworking Tools by BINSTAK

  • Based on 342 reviews
Condition: New
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Availability: Only 5 left in stock, order soon!
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Arrives Saturday, Nov 23
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Features

  • 2-WING INSERT CNC ROUTER BIT: Shank: 1/4"; Cut Diameter: 1" ; Carbide Inserts: 12*12mm. 2-wing design, resulting in a more balanced tool while running.
  • INDUSTRIAL GRADE CNC WOOD ROUTER BIT: Super-strength steel body with anti kickback design, 2 cutting blades.
  • COST-EFFECTIVE INSERT BIT: The surfacing router bit utilizes 4-sided solid carbide inserts. All 4 edges of carbide inserts can be used, use a screwdriver to make other blade edge outside. Replace the carbide inserts when needed, instead of replacing the whole bit. Cost effective solution compared to brazed router bits and solid carbide spiral bits.
  • This planer router bit is perfect for wood slabs flattening, resurface or plane the top surface of the spoilboard. Used on soft and hard woods, particle board, MDF, plywood compact panel, laminate, acrylic and etc.
  • Use on CNC and other automatic routers as well as hand-held and table-mounted portable routers. Such as woodworking engraving machine, trimming machine, etc.

Package Dimensions ‏ : ‎ 3.54 x 1.65 x 1.54 inches; 6.74 Ounces


Item model number ‏ : ‎ 1/4 insertRB 1inch


Date First Available ‏ : ‎ January 10, 2021


Manufacturer ‏ : ‎ BINSTAK


Best Sellers Rank: #76,030 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #129 in Edge Treatment & Grooving Router Bits


#129 in Edge Treatment & Grooving Router Bits:


Customer Reviews: 4.4 out of 5 stars 342 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Nov 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • well build
This surfacing bit worked great. used for birch, oak, maple and cedar with no problem
Reviewed in the United States on January 19, 2023 by Svetlana Blyakher

  • Works well for light use
Exactly as expected given the price. For light use this is a great tool if used properly. The build quality isn't great and the included tool was a loose fit but it still retains its functionality. Where this review differs is in an unexpected use. In the market of high speed hobby type cnc routers such as the X-carve by inventables, there are few tools for cutting aluminum successfully (let alone facing operations). The closest tool available for facing aluminum on a high speed spindle off the shelf would be the Datron stepped two flute cutter which is upwards of $100. With a few slight and easy modifications this tool can mimic the job done by real face or fly cutters that are 4 times its price in aluminum. This absolutely should not be done without proper consideration for personal safety but the lack of literature on the subject is reason enough for me to point out this possibility. I would have no problem using this as intended in woods and manufactured wood products like mdf. *A couple safety precautions for this kind of tool* 1. Acquire and use personal protective equipment ie. safety glasses and/or an enclosure on a hobby cnc 2. Before each use check both insert mounting bolts for tightness and ensure both inserts are firmly held into their recess. This eliminates the issue of loosening inserts mid op. ... show more
Reviewed in the United States on December 19, 2021 by Victor

  • Sharp
I use this in a 1 HP Bosch Colt trim router on a sled and it was melting away pine like a hot knife through butter. I kept my cutting depth low (1 mm depth of cut) with slow passes (I didn't clock my speed, or kept it regular) no wider than half the diameter of the bit (45%-50% stepover). I set the speed at 18000 RPM. With a more powerful router you can take deeper passes and work faster, but keep your passes narrow if you want a clean surface that requires less sanding. You will see visible cut marks with each pass, but they can't be felt with your hand and are removed with a very light sanding. ALWAYS use eye and ear protection, and it is strongly advised to use a good respirator as surfacing anything creates a huge mess. I can't speak for the longevity of the bit, but you can turn, and change, blades when they get dull. On the 1/4" shank, 1" diameter bit, the head of the bit from the K-mark to the cutter is 28mm. ... show more
Reviewed in the United States on June 21, 2022 by Mobor

  • Solid Fast Sharp, great or hard wood and MDF
I purchased this Spoil Board surfacing bit because you can replace the cutting heads instead of tossing it out when it becomes dull. The two carbide blades included with the bit can be rotated when they get dull so this tool will last much longer than a fixed blade bit. The extra cutting heads are inexpensive and available on Amazon.com. The tool body is well made and looks like it will last a very long time under normal use. I like the fact that you can change carbide cutters, this is worth the extra upfront cost in my mind. The bit came covered in wax and dipped in oil. The shipping container insured that the bit was sharp upon arrival even after being shipped in a bubble envelope. The bit also comes with two replacement screws. The only concern I have is that aligning the cutter heads after replacing them can be a little difficult. If you don’t align the cutting heads one will wear out before the other. Just remember to take your time when replacing the blades and make sure they line up before making a cut. I would purchase this CNC Spoil Board Surfacing Bit again, but with the replacement carbide bits, I wont have to. I have used it to surface rock maple and it did a great job. ... show more
Reviewed in the United States on February 18, 2021 by Paul Fisher

  • Efficient little cutter
Used it to level a 3 inch maple slab using a palm router. Fashioned a sled out of aluminum angle irons. Worked reasonably well. Covered a pretty large area, approximately 3'x2'. I rotated the blades when it seemed to be taking too much force. My only complaint is that the cutter seemed to rip the fibers in one direction leaving micro pockmarks on the surface. Not sure if there is a technique to avoid this. ... show more
Reviewed in the United States on May 16, 2022 by G. Joy

  • Works great when it's spinning the correct direction!
This bit helped me realize that my 3 phase spindle was wired wrong. It wouldn't cut worth a crap and I couldn't figure out why. I noticed which way it was going when it spun down once and realized it was going the wrong way! Overall though, it's an excellent tool. There's a reason professional machine shops use cutters with replaceable carbide cutting surfaces. A set of inserts is CHEAP compared to a new solid carbide tool, and you can get multiple uses out of a single insert by rotating it. I LOVE that there is a company selling this style tool to the hobbyist. Some of my shop's Kenametal and Sandvik indexable facemills cost as much as my entire hobby machine! ... show more
Reviewed in the United States on December 12, 2021 by Zak G

  • Seems to work well. Excellent price.
The media could not be loaded. I used this cutter to resurface the top of the roughly 24" x 30" MDF wasteboard on my Shapeoko Pro XXL and it left a nice smooth finish. I ran it at .020 depth of cut, 16000 RPM, 155 IPM feed, 40% stepover. The picture/video show it at about the 80% point. My cut started at the middle of the board and worked its way out. I suspect the IPM could be pushed up to 200 IPM at this same RPM. I'll try that next time. ... show more
Reviewed in the United States on December 16, 2021 by Marner Marner

  • Pay for what you get.
Worked like I hoped it would. I have not used it much, so don't know how long it will last. I bought it because it has replaceable Carbide cutters. So far sogood. Update, I used it a second time on some soft Cedar. Taking lite passes and the damn thing bent and part of a carbide cutter broke. From 5 to 3 stars. ... show more
Reviewed in the United States on February 23, 2022 by L.Cook

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