M6 Threaded Shank Counterbore • HSS • Used to enlarge the opening of a hole to allow room for the head of a fastener List Number MC27506 Substrate HSS Package Quantity 1 Shank 6.0 Length 76.0 Flute Count 2 Bolt M6 Pilot Diameter 6.4 Pilot Length 8.0 Cut Length 12.5 Diameter 11.0 SKU: MC27506 Category: Counterbores Related products LGS8-1 Weldon Tu-Lip Conterbore Item #: CW90281 LGN8-2 Weldon Tu-Lip Conterbore Item #: CW90082 LGN10-1 Weldon Tu-Lip Conterbore Item #: CW90101