ANSI/ASME B18.21.1-2009 螺旋弹簧锁紧垫圈,齿锁紧垫圈和平垫圈(英制系列)

标准号：ANSI/ASME B18.21.1-2009
中文标准名称：螺旋弹簧锁紧垫圈,齿锁紧垫圈和平垫圈(英制系列)
英文标准名称：Washers-Helical Spring-Lock, Tooth Lock, and Plain Washers (Inch Series)
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 standard covers the dimensional requirements, physical properties, and related test methods for helical spring-lock washers (0 through 3 inches), tooth-lock washers (2 through 1 1/4 inches), and plain washers (0 through 3 inches). The inclusion of dimensional data in this Standard is not intended to imply that all products described are stock production items. Consumers should consult with suppliers concerning the availability of products. NOTE: The word lock appearing in the names of products in this Standard is a generic term historically associated with their identification and is not intended to imply an indefinite permanency of fixity in attachments where the fasteners are used.