3/8 Threaded Shank Counterbore • HSS • Used to enlarge the opening of a hole to allow room for the head of a fastener List Number MC27024 Substrate HSS Package Quantity 1 Shank 3/8 Length 3-1/2 Flute Count 2 Bolt 3/8 Pilot Diameter 13/32 Pilot Length 7/16 Cut Length 3/4 Diameter 19/32 SKU: MC27024 Category: Counterbores Related products LGN8-1 Weldon Tu-Lip Conterbore Item #: CW90081 LGN4-2 Weldon Tu-Lip Conterbore Item #: CW90042 LGS14-3 Weldon Tu-Lip Conterbore Item #: CW90343