公制扳手规格mm内六角圆柱头螺钉(杯头)内六角沉头螺钉(平杯)内六角半圆头螺钉(圆杯)内六角紧定螺钉(机米)内六角圆柱头轴肩螺钉(塞打)0.7M1.60.9M21.3M1.4M2.5,M2.61.5M1.6,M2M32M2.5M3M3M42.5M3M4M4M53M4M5M5M6M54M5M6M6M8M65M6M8M8M10M86M8M10M10M12,M14M108M10M12M12M16M1210M12M14,M16M14,M16M18,M20M1612M14M18,M20M18,M20M22,M24M2014M16,M18M22,M24M22,M2417M20螺丝规格