Locking bushings are the most convenient and affordable technique of securing a portion to a mating shaft without the use of any specific resources. Tapered bushings rapidly align or lock a pulley, sprocket, or toothed coupling to the generate shaft. Tapered bushings are presently geared up with the required holes, keyways, tapped holes, and set screws, conserving time and income during machining. Tapered locking bushings are reusable following substitution, and EP provides not only a variety of common bushings but also customized metric or imperial bores or keyways to meet customer-certain requirements. Bushings are produced of metal or cast iron.