标准螺纹螺距对照表螺纹 M10.25 0.2 M1.1 0.25 0.2 M1.6 0.35 0.2 M2 0.4 0.25 M2.5 0.45 0.35 M3 0.5 0.35 M4 0.7 0.5 M5 0.8 0.5 M6 0.75,(0.5) M8 1.25 0.75,(0.5) M10 1.5 1.25, 0.75,(0.5) M12 1.75 1.5, 1.25, (0.75),(0.5) (M14) 1.5,1.25, (0.75),(0.5) M16 1.5,1.25, (0.75),(0.5) (M18) 2.5 1.5,1.25, (0.75),(0.5) M20 2.5 1.5,1.25, (0.75),(0.5) (M22) 2.5 1.5,1.25, (0.75),(0.5) M24 (0.75)(M27) (0.75)M30 3.5 (0.75)(M33) 3.5 (0.75)M36 M424.5 (M45)4.5 M565.5 (M60)5.5