DIN 980 (1987-05)被替代
All-metal Prevailing Torque Type Hexagon Nuts
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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基本信息
标准编号： DIN 980 (1987-05)
发布时间：1987/5/1 0:00:00
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：4
标准简介
Specifies requirements for M3 to M 39 prevailing torque type hexagon nuts (all-metal nuts), assigned to product Grade A for sizes up to M 16, and to product Grade B for sizes over M 16.
