Hinged bolted Stop Collar can be latched on the casing pipe without having to be slipped on at the end of the casing pipe allowing easy installation. The locking mechanism is at 180 degrees of the hinge. A single bolt is used to tighten the collar to the casing.

This design does not make any marks or indentations on the casing. On locking it can be tightened for a holding force upto 1000 % of the centralizer starting force as per API 10 D. They are available in all sizes ranging from 2 ⁷/₈" till 30".