Weather Resistance M5 Plain Washers , Large Metal Washers To Protect Fastener Surface

Steel Flat Washer Iso7093 M5 200HV Din9021 Plain washer Large Size Zinc Black

-large Size Flat Washer

This part of ISO 7093 specifies the characteristics of large-series, product-grade-A plain washers in the 200 HV and 300 HV hardness classes and of nominal sizes (nominal thread diameters) ranging from 3 mm to 36 mm inclusive.

Washers of hardness class 200 HV are suitable for
1,hexagon bolts and screws of product grades A and B in property classes up to and including 8.8;
2,hexagon nuts of product grades A and B in property classes up to and including 8;
3,hexagon bolts, screws and nuts of stainless steel of similar chemical composition;
4,case-hardened thread rolling screws.

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