BW & BI Series Belleville Washers - [ Belleville Washers] IIS Manufactures and Stock Belleville Washers in Imperial as well as Metric Sizes. Belleville Washers are also called as Conical Springs Washers and are made as over DIN 6796 and are designed specifically for Heavy Duty Bolted Section such as Bus Bars, Transformers, Rectifiers, Heat Exchangers, Transmission, etc. These Washers are intended to counteract the effect of setting which results in Bolt/Nut assembled working Loose. They do not effectively prevent loosening of the assembly under varying Redial Load and are designed for use with short bolts predominantly subject to thrust.
The cotter pins are secured by spreading the prongs, whereas the hammerlock pins are secured by striking the head with a hammer.
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