Tradelink Services offers Keyless Bushes with Easy and Accurate Positioning. Tradelink Services supplies various mechanical power transmission engineering components. The Keyless Bushes with Easy and Accurate Positioning consist of a thin walled cylinder filled by a `medium`. When this medium is pressurized, they tend to expand the thin walled cylinders and grip both the shaft and the component at the same time. The Keyless Bushes with Easy and Accurate Positioning of model name ETP- Express has shaft diameters from 15 to 100mm.