BS 84-1956 标准详情
- 标准号:BS 84-1956
- 中文标题:惠氏直螺纹规范
- 英文标题:specification for parallel screw threads of whitworth form
- 标准类别:英国标准
- 发布日期:1956-09-26
Form of thread defined. Tables: basic sizes, limits, tolerances for 'class' bolts, nuts; BS Whitworth range, $9B in to 6 in; BS Fine range, $9C in to 4$9C in (limits and tolerances up to 3 in only). Also a Selected Thread series more suitable than
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