普通螺纹标准规格表普通螺纹基本尺寸(mm)公称直径22.5345688101010121212(14)(14)1616(18)20202022(22)24螺距p0.40.450.50.70.8111.2511.251.51.251.51.751.521.522.51.522.51.52.52中径1.7402.2082.6753.5454.4805.3507.3507.1889.3509.1889.02611.18811.02610.86313.02612.70115.02614.70116.37619.02618.70118.37621.02620.37622.701小径1.5672.0132.4593.2424.1344.9176.9176.6478.9178.6478.37610.64710.37610.10612.37611.83514.37613.83515.29418.37617.83517.29420.37619.29421.835普通螺纹基本尺寸(mm)公称直径24(27)(27)3030(33)(33)3636(39)(39)4242(45)(45)4848(52)(52)5656(60)(60)6464螺距p32323.523.5343434.534.5354544.545.546中径22.05125.70125.05128.70127.72731.70130.72734.05133.04237.05136.04240.05139.07743.05142.07746.05144.75249.40248.75253.40252.42857.40256.42861.40260.103小径20.75224.83523.75227.83526.21130.83529.21132.75231.67035.75234.67038.75237.12941.75240.12944.75242.58747.67046.58751.67050.04655.67054.04659.67057.505括号内为第二系列,有底纹的为粗牙螺纹。普通螺纹标准规格表螺纹M1M1.1M1.6M2M2.5M3M4M5M6M8M10M12(M14)M16(M18)M20(M22)M24(M27)M30(M33)M36(M39)M42(M45)M48(M52)M56(M60)M64(M68)M72(M76)M80括号内为第二系列粗牙0.250.250.350.40.450.50.70.811.251.51.75222.52.52.5333.53.5444.54.5555.55.566666细牙0.20.20.20.250.350.350.50.50.75,(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)螺纹基本知识一、螺纹的名词术语螺纹:在圆柱或圆锥表面上,沿着螺旋线所形成的具有规定牙型的连续凸起。圆柱螺纹/圆锥螺纹;外螺纹/内螺纹;右旋螺纹/左旋螺纹。右旋螺纹:顺时针旋转时选入的螺纹。左旋螺纹:逆时针旋转时选入的螺纹。完整螺纹:牙顶和牙底具有完整形状的螺纹。...