BS 1769:1951现行
Specification For Unified Black Hexagon Bolts, Screws, Nuts - (Unc & Unf Threads) - Heavy Series
出版：British Standards Institution
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基本信息
标准编号： BS 1769:1951
发布时间：1975/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：18
标准简介
Describes the Heavy Series of Unified black hexagon bolts, screws and nuts having Unified screw threads in a range of nominal sizes from 1/2 in. to 2 in. inclusive.
标准备注
© British Standards Institution 2013
Amendment notes:
AMD 1645 published 15 January 1975
AMD 692 published 15 February 1971
PD 2141 published 15 March 1955
PD 2788 published 15 May 1957
PD 3620 published 15 January 1960
PD 4334 published 15 October 1961
PD 6002 published 15 December 1966
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