The CW 22 is a mechanical coupling for connecting reinforcement bars of 22 mm diameter, machined from grade 45 steel and weighing 0.26 kg. Mechanical rebar splicing is the modern alternative to lap joints and on-site welding: couplers join bars end-to-end in a threaded connection that transfers load through the coupler body, eliminating the doubled steel of lap zones and the weather- and skill-dependence of field welding.
The engineering economics are direct — on heavily reinforced structures, couplers save significant tonnage of rebar otherwise consumed in laps, decongest reinforcement cages for better concrete flow, and splice in any weather with hand tools and a torque check. Grade 45 medium-carbon steel provides the strength to develop the bar's capacity across the joint.
At around $0.90 per piece with a minimum order of 2000, the CW 22 addresses construction-materials distributors, rebar fabricators and contractors on infrastructure projects, where 22 mm bar is a standard heavy size. Couplers are consumed by the thousand on bridges, high-rises and industrial foundations, making them a repeat-volume product tied directly to construction activity.
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