Stop Collars
A complete range of stop collar options to suit any centralizer application. All collars are tested in accordance with API 10D II recommendations.


Spire-O-Bite®
A high holding force, slim diameter stop collar for specialist close tolerance applications. With no set screws and quick and simple installation without the need for specialist assembly tools, it is efficient to install.
Spire-O-Bite® Info Sheet


Ductile Iron (D.I.)
One piece cast ductile iron stop collar. High axial hording force

Heavy Duty (H.D.)
Heavy duty one-piece steel collar
High holding force

Steel Stop
Fabricated steel stop collar
½” UNC S.S set screws

Hinged Bolt
Self-lock in pins
Low budget

Hinged Set Screw
Easy installation
½” set screws

Hinged Spiral Nail
Quick installation
Spiral nail design