Pulley block pins are of several different types. Choices include toggle, clevis, coiled, dowel, grooved, hinge, knurled, rolled, shear, spring, straight, taper or tension pins. The frames of lifting ...

They also reduce noise and vibration; decrease sprocket, pulley, belt, and chain wear; and increase the life of drive components. In drives, belts and chains are installed with enough tension to ...