M8 Threaded Shank Counterbore • HSS • Used to enlarge the opening of a hole to allow room for the head of a fastener List Number MC27508 Substrate HSS Package Quantity 1 Shank 10.0 Length 87.3 Flute Count 2 Bolt M8 Pilot Diameter 8.4 Pilot Length 9.5 Cut Length 19.0 Diameter 15.0 SKU: MC27508 Category: Counterbores Related products LGS12-1 Weldon Tu-Lip Conterbore Item #: CW90321 LGS14-2 Weldon Tu-Lip Conterbore Item #: CW90342 LGS8-2 Weldon Tu-Lip Conterbore Item #: CW90282