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Conical Washer
Conical Washer include the Belleville Washer and Disc Spring Washer DIN2093.Itis used to distribute the load of a threaded fastener. It can also be used as a spacer, spring, shim, locking device, or for reinforcing and to reduce vibration.

Disc Spring Washer DIN2093
Conical Washer DIN 6796
Belleville Washers also called Disc Spring Washer,it can be inch and metric.The metric standard have DIN2093 and DIN6796
The Belleville Washer has a specific load for a given deflection. Two washers stacked in parallel will yield double the load of a single washer for the same deflection; three washers will yield triple the load; four washers will yield four times the load, etc. Alternatively, two washers stacked in series will yield double the deflection of single washer for the same load; three washers will yield triple the deflection; four washers will yield four times the deflection, etc. Various series-parallel combinations therefore can provide a wide variety of combined results of load versus deflection for the stack. Consequently, depending upon the application, the designer can:
路 Stack in “parallel” to increase load
路 Stack in “series” to increase deflection
路 Adjust the load and deflection of a washer stack by adding or removing individual washers and/or the sequence in which they are used, whether in series or parallel
Belleville Washers are listed with calculated Loads at Flat. The Load Deflection Chart can be used to approximate intermediate loads.Buy Washer
website:http://www.salesfasteners.com/washer/