- 2024-04-23zhizhuo1986052
内六角螺丝的螺丝头外边是圆的,中间是凹进去的六边形,而六角螺丝就是常见的螺丝头的边成六边形的那种。 内六角螺丝刀样子象“7”,用六边形的钢条两端切割再折弯成90度就成一把内六角螺丝扳手了,五金工具店有卖的。内六角螺丝规格有:M3M4M4M53M4M5M5M6M54M5M6M6M8M65M6M8M8M10M86M8M10M10M12, M14M108M10M12M12M16M1210M12M14, M16M14, M16M18, M20M1612M14M18, M20M18, M20M22, M24M2014M16, M18M22, M24M22, M2417M20
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