KEENTECH Router Bits, Carbide Tipped Core Box Bit for Edge Forming, Industrial Grade Round Nose Bits for Woodworking (1/4 Inch Shank x 37/64 Inch Depth - R1/2 Inch Radius, KT05021604)

Pros:Cuts cleanHolds edgeCons:Cuts approx 60 linear feet before snapping off.30 day warranty (90 would be nice)I’m no router bit expert, but this is disappointing. I need another to finish my project and my table doesn’t allow me to set the bit further down. I’ll be sure to feed even slower than before, which didn’t seem fast, but obviously was too fast. I’m of half a mind that it’s defective, and half that I must have abused it. Can’t say.

I had gotten this router bit to help me cut a juice groove into a very large cutting board that I have. The 1/4" shank was the right size for my router. The bit was well manufactured and cut the groove that I needed through the heavy end wood chopping block. I may use it to come back and take some of the weight out of the bottom of the block. I hope that this helps.