ISO 7093.1:2000 - Plain washers -- Large series -- Part 1: Product grade A Page 1 of I

XC 7O93-::;Plain washers — Large series — Part 1: Product grade AInternational Organization for Standardization / 01-Jun-2000 / 5 pages

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Descr1plpii

This part of ISO 7093 specifies the characteristics of large-series, product-grade-A plainwashers in the 200 HV and 300 HV hardness classes and of nominal sizes (nominal threaddiameters) ranging from 1,6 mm to 64 mm inclusive.

Washers conforming to this part of ISO 7093 are intended for use in cases where softmaterIal pieces are to be clamped or where there are large clearance holes in the kworkplece. Nevertheless, in the latter case, the suitability of the washer thickness should “r lbe checked

Washers of hardness class 200 HV scWa-jiei’rhexagon bolts and screws of product grades A and B in property classes up to andincluding 8.8;

hexagon nuts of product grades A and B in property classes up to and including 8;hexagon bolts, screws and nuts of stainless steel of similar chemical composition;case-hardened thread rolling screws.

Washers of hardness class 300 HVhexagon bolts and screws of product grades A arid B in property classes up to andincluding 10.9;

hexagon nuts of product grades A and B in property classes up to and including 10.

If dimensions other than those listed in this part of ISO 7093 are required, they should beselected from those given in ISO 887.

Keywords: ISO 7093-1; designation, dimensions, plain washers, specifications, washers

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