BS 1768-1963 统一精密六角头螺栓、螺钉和螺母(UNC与UNF螺纹)规范.标准系列

标准号：BS 1768-1963
中文标准名称：统一精密六角头螺栓、螺钉和螺母(UNC与UNF螺纹)规范.标准系列
英文标准名称：Specification for Unified precision hexagon bolts, screws, & nuts (UNC & UNF threads) - Normal series
标准类型：J13
发布日期：1963/9/17 12:00:00
实施日期：1963/9/17 12:00:00
中国标准分类号：J13
国际标准分类号：21.060.10;21.060.20
适用范围：Dimensions, general requirements for $9D in to 2 in. Dimensions for bolts, screws, ordinary nuts, thick ordinary nuts, lock nuts, slotted nuts, thick slotted nuts. Formulae for calculation of dimensions for bolt and screw heads and nuts in intermediate or larger sizes. Applies to ferrous and non-ferrous bolts, screws, nuts and, for steel, refers to appropriate qualities up to 75 tonf/in