Bush coupling is used as power transmission mechanical component needed for connecting two shafts while transmitting power. This highly flexible coupling has multiple pins on which leather or rubber bushes are positioned. Precisely shaped nuts are used to fasten these pins. Flange based bush coupling is quick to fix and it can be availed in forged steel or cast iron made material choice based option. Standard of this coupling has been verified on the basis of its design precision, longevity, surface finish and strength.