30mm Inner Dia 39mm Outer Dia 0.5mm Thickness Compression Type Wave Washer 20pcs

Description: Wave washers resist loosening through vibration rely on elastic force. Carbon steel providing good strength, hardness and abrasion performance. Suitable for M30 thread screws. Washers are normally used to distribute loads of threaded bolts, screws and nuts evenly as the fastener is tightened. Intended for the general use under the head of a bolt or nut.

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