BS EN 14399-9:2009现行
High strength structural bolting for preloading. System HR or HV. Direct tension indicators for bolt and nut assemblies
出版：British Standards Institution
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基本信息
标准编号： BS EN 14399-9:2009
发布时间：2009/7/31 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：26
标准简介
Describes the requirements for assemblies of high-strength structural bolts and nuts, with large width across flats, of system HR or HV, including the requirements for the general dimensions, tolerances, materials and performance for two grades, H8 and H10, of compressible washer-type direct tension indicators, nut face washers and bolt face washers suitable for preloaded joints.
标准备注
© British Standards Institution 2013
Replaces notes:
Replaces BS 7644-1:1993 and BS 7644-2:1993 which remain current and have been declared obsolescent.
本标准替代的旧标准
