Amana Tool Multi Tooth Forstner Bits Option:FO-560 Multi-Tooth Forstner Bit 3-1/8 Dia x 1/2 Inch Shank cutting length and cutting angle

cutting length and cutting angle that matches the bowl you are using

Secure glass in place with a small piece of molding

4 flute design for super-smooth finish

Craftsman®

Diablo's premium 6 in

Amana Tool Multi Tooth Forstner Bits Option:FO-560 Multi-Tooth Forstner Bit 3-1/8 Dia x 1/2 Inch Shank cutting length and cutting angleSpecially designed Forstner bits for cutting telephone and computer wire grommet access holes in office furniture. All tools feature precision ground and tempered tool steel, multi tooth cutting edges for faster cutting and chip removal, and massive cutter body to dissipate heat and resist burning.