Hinged Spiral Nail Stop Collar // Size 4 1/2"

COS is a leading ISO 9001-2015, 11980:2014, 10427-1:2001 certified manufacturer of cementing and casing accessories and completion tools. Products include Cementing Products like– Float Equipment, Bow Spring Centralizer, Solid Rigid Centralizers, Spirolizers, Turbolizers, Cementing Plugs, Mechanical and Hydraulic Stage Tools, Cross-overs, Modified Thread Compounds etc & Completion Tools Like – Bridge Plugs, Cement Retainers, Liners, Hangers , Packers etc.

Started as a single equipment manufacturing company, COS has now grown into a formidable and widely respected organization. Driven by expertise, and as established industry leaders we will continue to expand market share in the rapidly growing North and South America and the Gulf region.