7/16 Threaded Shank Counterbore • HSS • Used to enlarge the opening of a hole to allow room for the head of a fastener List Number MC27028 Substrate HSS Package Quantity 1 Shank 1/2 Length 4" Flute Count 2 Bolt 7/16 Pilot Diameter 15/32 Pilot Length 17/32 Cut Length 7/8 Diameter 21/32 SKU: MC27028 Category: Counterbores Related products LGN4-1 Weldon Tu-Lip Conterbore Item #: CW90041 LGS8-2 Weldon Tu-Lip Conterbore Item #: CW90282 LGS12-3 Weldon Tu-Lip Conterbore Item #: CW90323