公制粗牙(普通)螺纹基本尺寸表 螺纹尺寸 底孔直径 螺纹尺寸 底孔直径 M1*0.25 0.75 M8*1.25 6.80 M1.1*0.25 M1.2*0.25 M1.4*0.3 M1.6*0.35 M1.7*0.35 M1.8*0.35 M2*0.4 M2.2*0.45 M2.3*0.4 M2.5*0.45 M2.6*0.45 M3*0.5 M3.5*0.6 M4*0.7 M4.5*0.75 M5*0.8 M6*1.0 M7*1.0 0.85 0.95 1.10 1.25 1.35 1.45 1.60 1.75 1.90 2.10 2.20 2.50 2.90 3.30 3.80 4.20 5.00 6.00 M9*1.25 M10*1.5 M11*1.5 M12*1.75 M14*2.0 M16*2.0 M18*2.5 M20*2.5 M22*2.5 M24*3.0 M27*3.0 M30*3.5 M33*3.5 M36*4.0 M39*4.0 M42*4.5 M45*4.5 M48*5 7.80 8.50 9.50 10.3 12.0 14.0 15.5 17.5 19.5 21.0 24.0 26.5 29.5 32.0 35.0 37.5 40.5 43.0 公制细牙螺纹基本尺寸表 螺纹尺寸 M1*0.2 M1.1*02 底孔直径 螺纹尺寸 底孔直径 螺纹尺寸 底孔直径 0.80 M12*1.25 10.8 M27*1.5 25.5 0.90 M12*1.0 11.0 M27*1.0 26.0 M1.2*0.2 1. M14*1.5 12.5 M28*2.0 26.0 M1.4*0.2 1.20 M14*1.0 13.0 M28*1.5 26.5 M1.6*0.2 1.40 M15*1.5 13.5 M28*1.0 27.0 M1.8*0.2 1.60 M15*1.0 14.0 M30*3.0 27.0 M2*0.25 1.75 M16*1.5 14.5 M30*2.0 28.0 M2.2*0.25 1.95 M16*1.0 15.0 M30*1.5 28.5 M2.5*0.35 2.20 M17*1.5 15.5 M30*1.0 29.0 M3*0.35 2.70 M17*1.0 16. M32*2.0 30.0 M3.5*0.35 3.20 M18*