Hinged Spiral Nail Stop Collar utilizes two spiral-locking pins that are driven in securely to lock the Collar into position around the casing.
The advantage of this type of Collar is that it can be latched onto the casing pipe
without having to be slipped on at the end of the casing. This ensures rapid and easy installation. These Collars are particularly effective as they provide maximum annular clearance. All Stop Collars undergo a special phosphate coating process to prevent corrosion and are then coated with a special polyester powder. All products are as per API RP 10D2.

Available in 4-1/2” to 20” sizes.

Any special sizes or combinations can be made available on request.

Hinged Bolted Stop Collars can be easily latched onto the casing pipe to keep Centralizers and attachments in place.
This design features a draw-bolt to force the Stop Collar to grip the casing. The Collar
consists of two pieces that are hinged at one end. On the other end, a single bolt is used to tighten the Collar to the casing. All Stop Collars undergo a special iron phosphate coating process to prevent corrosion and are then coated with a special polyester powder. All products are as per API RP 10D2.

Available in 4-1/2” to 20” sizes.

Any special sizes or combinations can be made available on request.

Hinged Set screw Stop Collars can be latched onto the casing pipe without having to be slipped on and are easy to install. They are particularly effective when low annular clearance is encountered.

This particular design consists of two parts that are hinged at 180 degrees. The gripping

force is created by one set of set screws which tighten the Collar to the casing firmly. All Stop Collars undergo a special iron phosphate coating process to prevent corrosion, and are then coated with a special polyester powder. All products are as per API RP 10D2.

Available in 4-1/2” to 20” sizes.

Any special sizes or combinations can be made available on request.

Slip on Set Screw Stop Collars is single piece Collar that uses one row of set screws to induce the gripping force. It is used where high axial loads are expected, and is effective where low annular clearance is encountered.
This Stop Collar is easy to install because it simply slides onto the casing. These Stop
Collars undergo a special phosphate coating process to prevent corrosion and are then coated with a special polyester powder. All products are as per API RP 10D2. Slip on set screw stop collars are available in without beveled , single side beveled , both side beveled and in heavy duty configuration with zig zag screw.

Available in 4-1/2” to 20” sizes.
Any special sizes or combinations can be made available on request.