DIN 德标
Din 914 内六角紧定螺钉—截锥端(Din 914 | )
Hexagon socket set screws with cone point
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DIN 德标
DIN ISO 262 带公差和斜侧面的圆螺纹(DIN ISO 262 | )
ISO general purpose metric screw threads. Selected sizes for screws,bolts and nuts
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DIN 德标
DIN ISO 885 一般用途螺栓和螺钉.米制系列.端头半径(DIN ISO 885 | )
General purpose bolts and screws-metric series
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