Digger- Hinged Set Screw are made up of two pieces and hinged at the two ends making it 180 degrees apart. The gripping force is applied by one of the row of Set screw which tightens the collar to the casing firmly. They can be fastened on to the casing pipe and much easy to install. They are most effective in conditions where there is low annual clearance.
The screw lock gives a firm grip to the stop collar and when tested as per API 10D-2 Specifications they provide high holding force.
Available sizes are 4-1/2” to 20”. Any special sizes as per customer requirement.