A washer is a thin plate (typically disk-shaped, but sometimes square) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a bolt or nut. Other uses are as a spacer, spring (Belleville washer, wave washer), wear pad, preload indicating device, locking device, and to reduce vibration (rubber washer). Spring washers, which have axial flexibility are used to prevent fastening or loosening due to vibrations. Locking (lock) washers prevent fastening or loosening by preventing unscrewing rotation of the fastening device.
Hobart is a leading manufacturer of food equipment products for cooking, food preparation, dishwashing, waste reduction, weighing and packaging. Established in 1897 in Troy, Ohio, Hobart has been dedicated for more than a century to supporting commercial and institutional foodservice and food retail professionals by providing premium equipment they can trust.
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