ATLAS STAINLESS STEEL THREADED JOINT COLLARS
1.00" Long, 7/8" o.d. available with 3 different threads. 5/8-11, 5/8-18, and 3/4-16(5/8 i.d. thin wall size). 5/8 thread sizes have a 1/2" i.d. at one end to accomodate inserts for piloted joint applications.