ISO 7091-2000 平垫圈 标准系列 产品等级C级

标准号：ISO 7091-2000
中文标准名称：平垫圈 标准系列 产品等级C级
英文标准名称：Plain washers - Normal series - Product grade C
标准类型：J13
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：J13
国际标准分类号：21.060.30
适用范围：This International Standard specifies the characteristics of normal-series, product-grade-C plain washers in the 100 HV hardness class and of nominal sizes (nominal thread diameters) ranging from 1,6 mm to 64 mm inclusive. Washers of hardness class 100 HV are suitable for — hexagon bolts and screws of product grade C in property classes up to and including 6.8; — hexagon nuts of product grade C in property classes up to and including 6; — case-hardened thread rolling screws. If dimensions other than those listed in this International Standard are required, they should be selected from those given in ISO 887. When soft material pieces are clamped, or large clearance holes in the workpiece are used, the user should check the technical suitability of this type of washer.