1/2 Threaded Shank Counterbore • HSS • Used to enlarge the opening of a hole to allow room for the head of a fastener List Number MC27032 Substrate HSS Package Quantity 1 Shank 1/2 Length 4-1/4 Flute Count 2 Bolt 1/2 Pilot Diameter 17/32 Pilot Length 17/32 Cut Length 1" Diameter 25/32 SKU: MC27032 Category: Counterbores Related products LGS10-1 Weldon Tu-Lip Conterbore Item #: CW90301 LGS12-2 Weldon Tu-Lip Conterbore Item #: CW90322 LGN4-1 Weldon Tu-Lip Conterbore Item #: CW90041