Carbide tipped forstner bits were designed so the rim remains extremely sharp, especially at the leading edge.
Forstner Bits are great for making clean, flat bottom holes. This carbide tipped 16-pc forstner bit set
includes forstner bits from 1/4" to 2-1/8" and is very popular with both novice and experienced woodworkers.
The forstner bits by Amana Tool feature outstanding longevity, a tendency to stay sharper, mirror like carbide finish, excellent carbide brazing, a broad selection of sizes and most importantly quality of cut.