JIS B 1021:2003现行
Tolerances for fasteners Part 1: Bolts, screws, studs and nuts - Product grades A, B and C
出版：Japanese Standards Association
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基本信息
标准编号： JIS B 1021:2003
发布时间：2003/3/20 0:00:00
标准类别：Standard
出版单位：Japanese Standards Association
标准页数：59
标准简介
This Standard specifies a selection of tolerances for bolts, screws, studs and nuts with ISO metric threads and with product grades A, B and C and for tapping screws with product grade A.
