标准螺纹螺距对照表 螺纹 M1 M1.1 M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64 (M68) M72 (M76) M80 粗牙0.25 0.25 0.35 0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6 6 6 6 6 细牙0.2 0.2 0.2 0.25 0.35 0.35 0.5 0.5 0.75, (0.5) 1, 0.75, (0.5) 1.25, 1, 0.75, (0.5) 1.5, 1.25, 1, (0.75), (0.5) 1.5, 1.25, 1, (0.75), (0.5) 1.5, 1.25, 1, (0.75), (0.5) 2, 1.5, 1.25, 1, (0.75), (0.5) 2, 1.5, 1.25, 1, (0.75), (0.5) 2, 1.5, 1.25, 1, (0.75), (0.5) 2, 1.5, 1, (0.75) 2, 1.5, 1, (0.75) 3, 2, 1.5, 1, (0.75) (3), 2, 1.5, 1, (0.75) 3, 2, 1.5, (1) 3, 2, 1.5, (1) (4), 3, 2, 1.5, (1) (4), 3, 2, 1.5, (1) (4), 3, 2, 1.5, (1) (4), 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1)