5/8 Threaded Shank Counterbore • HSS • Used to enlarge the opening of a hole to allow room for the head of a fastener List Number MC27040 Substrate HSS Package Quantity 1 Shank 5/8 Length 4-25/32 Flute Count 2 Bolt 5/8 Pilot Diameter 21/32 Pilot Length 21/32 Cut Length 1-1/4 Diameter 29/32 SKU: MC27040 Category: Counterbores Related products LGN10-2 Weldon Tu-Lip Conterbore Item #: CW90102 LGN8-1 Weldon Tu-Lip Conterbore Item #: CW90081 LGN4-2 Weldon Tu-Lip Conterbore Item #: CW90042