[问题] 螺母转不进去大牌的内六角螺丝?

楼主: bingoking   2022-05-23 14:59:44
内六角螺丝,螺丝宽2分(6.35mm),机车大牌固定,要内外对锁,选直径10mm六角螺母,中
间圆孔不足6.35mm,猜测只有6mm,如下图:
https://i.imgur.com/HQVdx9P.jpg
有2分的螺母吗,还是要换比较幼(大概6mm)的内六角圆头螺丝?

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