Hinged Stop Collar with Set Screws
Utilizes spiral locking pins which, when driven in firmly, lock the collar into position around the casing.
Sizes less than 13-3/8” use two spiral locking nails.
Sizes 13-3/8” and greater use four spiral locking nails.
Holding force tested as per API Recommended Practice 10D-2
Drilling pipe Top Drive Rotating Cement head
Rigid Stamped Casing Centralizer
