6 Flute CNC Spoilboard Surfacing Router Bit 1/2 inch Shank, Extra Large 2-9/16"/65mm Cutting Dia, Slab Flattening Router Bit Planing Bit Wood Milling Cutter Planer Woodworking Tool

It work perfect. In the photos leaved some lines but that is because of the jig that I used. Some sanding and it was flat and smooth.

Excellent bit. Great value for money

Great coverage, durable blades, and made quick work of my 8'x3' workbench.I resurfaced my bench with pallet boards, and leveled the top with this bit. Took about 1 hour.

I just bought a new slab flattening sled which will be far more efficient with this larger 2-9/16" diameter surfacing bit. It's a 1/2" shank bit, which I would submit, is mandatory for a bit this wide. I would also reduce the RPMs. Routers running at 25,000 to 30,000 RPM would render this bit extremely unsafe. I will be dropping down to 10,000 RPM until I get comfortable with the action of the bit. Also, the key with these bits covering such large surface areas, is to take the thinnest of cuts with each pass.What I liked most about this bit is that it has 6 cutters, twice the normal number. That means 2 times more cutters severing the wood thread which will make for a smoother surface. Another benefit of having six cutters is that it can prevent you from over feeding. Ridges are always the case but that easily dealt with in sanding. I did check the cutters for flatness and all of them cut on the same plane. There was no vibration in the router which indicates a balanced bit. I also put a caliper on the shank and noticed a slight fluctuation in diameter as I slid up, down and around it but only 2 or 3mil's worth, but all under the .5 inches. Once clamped in a collet, I see no issue. One thing that would make this bit a real no-brainer is if the cutters were replaceable carbide cutters. With the benefit of being able to rotate the cutter to a new edge, that bit would last longer than this bit's single functional edge.At a ridiculously competitive price point, and if I can get 5-6 slabs worth of cutting, it'll be worth it.

This router bit dull very quickly and just started to burn the wood

Dulled out really fast, spend the money and buy a higher quiltiy

This seems to be a nice quality router bit. This thing is beefy! And the strength of the 1/2 shank gives me some extra reassurance that it’ll hold up well. I like that it can be used to flatten slabs or to cut slots as well.

This is an interesting design. I've seen router bits with five flutes but not six. This bit is billed as a slab flattening bit, but I honestly wonder if it is better suited for rabbeting. The shank is 1/2" and strong... the body is hefty enough to take rabbeting (I suspect).The cutting edges are consistently sharp and without flaws. There's a few flecks of finish that have flaked off, but that's common with router bits. Grind is medium, and there is a ton of access to the carbide (meaning that you can sharpen them with a diamond file).I need to use a granite plate to check the angles and level of the upper cutting edges... will update after measuring and after testing it out.