andykidd 发表于 2015-6-16 15:25:42

ISO 4029:2003 Hexagon socket set screws with cup point

ISO 4029:2003Hexagon socket set screws with cup point
有更新的最好，谢谢~

cc523pate 发表于 2015-6-16 15:25:43

ISO 4029-2003 六角凹头圆端止动螺钉
http://bbs.infoeach.com/forum.php?mod=viewthread&tid=85300&fromuid=118610

cabsun 发表于 2017-5-23 12:41:29

标准里最大的是M24的，超过M24的螺钉，两端的窝孔尺寸如何定呢？比如M56x45:D
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