We are the most efficient supplier and trader of Groz, 4 Jaw Hydraulic Coupler, HC-11-4-B, 3000 PSI, 1-8 inch BSPT. This is offered in the industry’s largest variety of stock bore and keyway combinations. These couplings require no lubrication and provide highly reliable service for light, medium, and heavy duty electrical motor and internal combustion power transmission applications. It is used for the applications include power transmission to industrial equipment such as pumps, gear boxes, compressors, blowers, mixers, and conveyors. Groz, 4 Jaw Hydraulic Coupler, HC-11-4-B, 3000 PSI, 1-8 inch BSPT consist of two hubs (available in sintered metal, aluminum, bronze, steel, stainless steel, and ductile iron), and an elastomer element, known as a spider or cushion (materials available include NBR SOX rubber, Urethane, Hytrel®, and Bronze).