EH 24790.
Knurled thumb screws are very versatile. Three material versions for the different requirements
are available.
Knurled thumb screws can be easily tightened and released by hand. The ribbed outer surface of the nut prevents slipping when tightening / releasing with the fingers.
所有滚花螺丝皆是一体成型的製品。不同于「官方标准表」,其整体都有螺纹直至顶部,但于螺纹末端却无凹槽。
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根据 DIN规范,压花的间距和深度也不同。