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Steel, Small Series

Belleville Washer

NFE 25-511 "S"

SKU: 00-WB-Z-Sm
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Detail & Specs

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Metric Steel, Mechanical Zinc Plated, Belleville Washer, "S" or "Z" Small Outer Diameter

Ribbed / "Rip Lock" Pattern

Belleville washers have a concave shape to maintain compressed tension. The Rip-Lock pattern on the top surface enhances the locking force and further prevents against loosening due to vibration or pressure.

Belleville washers can be used in tandem, one at the nut end and one at the bolt head end of the fastener connection.

Also known as serrated conical, coned-disc, cupped spring lock washer

Mechanical Zinc Finish

Anti-corrosive, approximately 240hrs salt spray, passivated.


AFNOR NFE 25-511, "S" or "Z" Small Form (Reduced Outer Diameter) French National Standard

Alternative Forms:

DIN 6796 Non-Serrated Conical Spring Washer