We use this bit to drill clean through our benchtop, perfect for mounting the Guitar Repair Vise in a flash.
This Forstner bit will drill a flat-bottom hole with smooth clean edges. A centering point ensures that the bit will not wander—you'll get a perfectly centered hole.
Bit diameter: 11/16" (17.46mm)
Shank diameter: 5/16" (8mm)
Overall length: 3-1/2" (90mm)