Using hinged connection, easy installation
Spiral nail pressed to fix
Professional engineering support team
Size range is 4 1/2" - 20". Any special sizes can be made available upon request
Hinged Spiral Nail Stop Collar consists of two pieces that are hinged at two ends. It has an internal groove in which a spiral locking pin is inserted. This tightens the collar to the casing firmly. It can be latched onto the casing pipe without having to be slipped on.