WL Fuller Countersink - 1/2" External dia. x 3/16" Internal dia.
Uses Fuller's tapered drills or can be used with standard twist drills. Includes grub screw for holding drill bit. Can be used with drill size 3/16inch.

Description
Uses Fuller's tapered drills or can be used with standard twist drills. Includes grub screw for holding drill bit. Can be used with drill size 3/16inch.









