Grooved rigid coupling 3/4 cast iron Coupling YN01 and clamped. For commercial shafting, a rigid coupling may be a sleeve with the shafts pressed into each end or it may be a clamping sleeve. The sleeve on each shaft end may have an external flange with bolt holes.

Grooved rigid coupling 3/4 cast iron Coupling YN01Rigid materials examples include corrugated and paperboard boxes, plastic bottles and boxes, aluminum cans, and glass jars. Popular applications include cereal boxes, glass bottles of spirits, cans of soup, and laundry detergent bottles.