Why use washers when bolting?


Quick Answer

Washers are used to help fasten the nut or bolt to any surface. It serves as an anchor by providing a flat space for the nut or bolt to remain securely intact even when under vibration.

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Full Answer

There are different types of washers that cater to a variety of uses. Spring or disc washers are used in assembly applications that are subjected to constant tension and commonly experience expansion or contraction in materials. Lock washers are employed to secure fasteners that usually rotate or lose friction. Other common types of washers include flat, countersunk, fender, SAE, torque, shoulder, D-shaped and C washers.

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