Fits any 5C ID threaded collet with 1-3/64" -24 internal thread. This 5C Collet Stop fit inside a 5C spindle with a minimum 1-1/16" I.D.. This 5C collet stop is made of hardened black oxide material and is very durable for long life use. For use with 5C collet's (not supplied) of the standard type with I.D.and O.D.threads. Easily and accurately place parts of standard 5C collet with an inner diameter and external thread of 7/8 inch diameter or less..
