![]() Mechanical properties of fasteners—M42~M72 bolts, screws and studs 紧固件机械性能 M42~M72螺栓、螺钉和螺柱 |
![]() Fasteners—Bolts,screws and studs—Nominal lengths and thread lengths 紧固件 螺栓、螺钉和螺柱 公称长度和螺纹长度 |
![]() Fasteners—Bolts, screws, studs and nuts—Symbols and descriptions of dimensions 紧固件 螺栓、螺钉、螺柱及螺母 尺寸代号和标注 |
![]() Fasteners - General requirements for bolts,screws,studs and nuts 紧固件 螺栓、螺钉、螺柱和螺母 通用技术条件 |
![]() Mechanical properties of fasteners--Bolts,screws,studs and nuts made of non-ferrous metals 紧固件机械性能 有色金属制造的螺栓、螺钉、螺柱和螺母 |
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