BS 949-3(1993) : 1993被替代
SCREWING TAPS - SPECIFICATION FOR PIPE THREAD TAPS
出版：British Standards Institution
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基本信息
标准编号： BS 949-3(1993) : 1993
发布时间：1993/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：20
标准简介
Specifies tolerances and dimensions for screwing taps for the following thread series: parallel internal pipe threads for use with taper external pipe threads in making pressure-tight joints on the threads; parallel internal pipe threads for use where pressure tight joints are not required to be made on the threads; taper internal pipe threads for use with taper external pipe threads in making pressure-tight joints on the threads. Also includes tables and diagrams.
替代本标准的新标准
