Cut proper diameters using one simple bit with these titanium coated high speed steel step bits. The double flute design increases the cutting surface so cuts are made faster and smother with fewer burrs.

Cutting Diameters
Bit A: 1/4 25/64 35/64 11/16 13/16 7/8 1 11/8 17/32 11/4 13/8
Bit B: 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8