BS 3643-2-2007 ISO 米制螺纹.尺寸极值选用规范

标准号：BS 3643-2-2007
中文标准名称：ISO 米制螺纹.尺寸*值选用规范
英文标准名称：ISO metric screw threads Part 2: Specification for selected limits of size
标准类型：J05
发布日期：2007/11/30 12:00:00
实施日期：2007/11/30 12:00:00
中国标准分类号：J05
国际标准分类号：21.040.10
引用标准：BS 3643-1-2007
适用范围：This part of this BS 3643 specifies the fundamental deviations,tolerances and limits of size for the tolerance classes 4H, 5H, 6H and7H for internal threads and 4h, 6g and 8g for external threads whereappropriate for:• a coarse pitch series with the range 1 mm to 68 mm diameter;• a fine pitch series with the range 1 mm to 33 mm diameter;• a constant pitch series with the range 8 mm to 300 mm diameter.For certain diameter/pitch combinations, the fundamental deviations,tolerances and limits of size for tolerance class 4H for internal threadsand tolerance classes 6h and 4g for external threads, primarily foraerospace use, are specified in Annex A.