First, Application:

Stop collar can be installed on any position of casing to limit the axial movement of centralizers and cement baskets,which ensures the positions of centralizers or cement basket to meet the design.

The stop collars are available in two types: Screw Type, Hinged Type. They can fit 4-1/2" to 20"+ any size pipe.

1. Screw Type Stop Collar

The Screw Type Stop Collar consists of stop ring and hexagon socket screw, It is single piece collar that uses one or two row of set screws to induce the gripping force.when use ,first set into the casing, and then using a wrench to tighten the set screws.Simple to use,Easy handling.

2. Hinged type stop collar

The hinged type is composed of stop ring, pin nail and pin, among which the stop ring is hinged and composed of two semicircle, which is easy to set on the casing.The snapfit stop collar,first set into the casing,stab the pin into the ring, latch by hammering the pin.

3. Package Pictures