http://www.xgf-hardwares.com/washers/Washers Product Description A flat washer is a thin ring with a circular outer diameter and a central hole (inner diameter), and its size is only larger than a bolt or screw. Flat washers are usually used to evenly distribute the load of bolts, screws, and nuts when tightening fasteners. Although there are many types of flat washers, the standard is the most com
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