SpeTool 10pcs Squres Carbide Insert Replacement ATS Coating for Spoilboard Surfacing Router Bit(12mmx12mm, 2.2mm Thick), 35 Degree Cutting Angle, Straight -Hole

Sharp and does an excellent job.

These things are amazing the regular grey ones last just as long though as the coated no complaints

90% of what I do with my CNC Machine is surfacing table tops. I was literally in the middle of surfacing a solid hickory top when I switched to these new coated carbides. The non coated would start burning after about 2 1/16" passes. These coated ones didn't start burning until the 5th pass. These are great, at least for what I do.

Sharp, clean, good product. I have been generally happy with Spetool for bits. These inserts are up to their usual standards. Will buy again.

I don't know if these fit any other router bits, but mine uses four at a time. They should be sold in multiples of four. You have to buy two packages if you want to use them all.

Great product. I am very impressed.

Just what I wanted

as advertised