Internal Bore Hand Knurling Tool Adapter Block Set

Knurlcraft™ Featuring An excellent hand tool for maintenance departments and machine shops. Used for internal knurling and repair work of worn out bores. For repair work, a worn out bore can be knurled undersized and then be rebored to its original size.

Just the removable adapters which reduce the capacity to accommodate a minimum bore of 5/8". Includes a set of Medium pitch, Straight A-Sized [AA] pattern knurls.