Hinged Bolted Stop Collar
COS’s Hinged Bolted Stop Collar is engineered for quick installation and strong holding power in demanding well conditions. Made from durable ductile iron, it provides excellent impact and fatigue resistance, making it ideal for applications where high axial loads are expected.
The collar is designed with a hinged body and outer-circle set screws, allowing it to be easily slipped onto the casing and firmly locked in place—without the need for excessive handling or special tools.
Key Benefits
- Fast installation – hinged design allows easy slip-on application
- Superior strength – ductile iron construction ensures durability under high loads
- Reliable grip – set screws provide secure holding around the casing
- Compatible with cement baskets and centralizers
- Reduces downtime and simplifies casing accessory placement
Features
- High-strength ductile iron for impact and fatigue resistance
- Hinged design for efficient field installation
- Set screws positioned on the outer periphery for secure locking
- Available in 2 7/8” to 30” (special sizes on request)
Applications
- Wells with high axial load requirements
- Installation of cement baskets, centralizers, and other casing accessories
- Situations demanding fast, reliable stop collar placement
