M5 Threaded Shank Counterbore • HSS • Used to enlarge the opening of a hole to allow room for the head of a fastener List Number MC27505 Substrate HSS Package Quantity 1 Shank 6.0 Length 70.0 Flute Count 2 Bolt M5 Pilot Diameter 5.3 Pilot Length 6.5 Cut Length 12.5 Diameter 10.0 SKU: MC27505 Category: Counterbores Related products LGS12-3 Weldon Tu-Lip Conterbore Item #: CW90323 LGS16-1 Weldon Tu-Lip Conterbore Item #: CW90361 LGS14-1 Weldon Tu-Lip Conterbore Item #: CW90341