This bit does exactly what I bought it for - cuts cleanly through plywood with 99% perfect edges and no Surface We used it to cut finished 1/2" and 3/4" thick maple plywood on the ShopBot and saw a slight crack on the surface with a nearly new cutter - went back and checked the settings and we accidentally did the first pass 1/4" deep - when cutting in multiple passes, the first pass should be > 1/4" deep (we chose 3/8") so that you can line the top surface with the "BOTTOM" " Cut part of the drill. . First 1/4" part ABOVE. After we took care of it, everything went smoothly.