Saigon Hinged Spiral Nail Stop Collar can be used in both upset and non-upset casing to provide maximum clearance during rotation. It has a groove in the middle into which a spiral nail can be driven for improved grip on the casing. The narrow band firmly grips the collar into position around the casing and when tested as per API 10D-2 Specifications they provide high holding force. The narrow band makes it most economical Stop Collar.
No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China