1标准公制螺纹基本牙型和公式

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1、标准公制螺纹基本牙型和公式公制螺纹粗牙公制螺纹细牙公称尺寸M螺距P外径D=d节径D2=d2内径D1=d1公称尺寸M螺距P外径D=d节径D2=d2内径D1=d1M10.251.0000.8380.729M1.20.251.2001.0380.929M1.40.31.4001.2051.075M20.42.0001.7401.567M30.53.0002.6752.459M30.353.0002.7732.621M3.50.63.5003.1102.850M3.50.353.5003.2733.121M40.704.0003.5453.242M40.54

2、.0003.6753.459M4.50.754.5004.0133.688M4.50.54.5004.1753.959M50.85.0004.4804.134M50.55.0004.6754.459M616.0005.3504.917M60.756.0005.5135.188M81.258.0007.1886.647M818.0007.3506.917M101.510.0009.0268.376M101.2510.0009.1888.647M121.7512.00010.86310.106M121.512.00011.02610.376M14214.

3、00012.70111.835M141.514.00013.02612.376M16216.00014.70113.835M161.516.00015.02614.376M182.518.00016.37615.294(M18)1.518.00017.02616.376M202.520.00018.37617.294M201.520.00019.02618.376M222.522.00020.37619.294(M22)222.00020.70119.835M24324.00022.05120.752M24224.00022.70121.835M27

4、327.00025.05123.752M27226.00025.70124.835M303.530.00027.72726.211M28228.00026.70125.835M333.533.00030.72729.211M30330.00028.05126.752M36436.00034.40231.670M33332.00031.05129.752M39439.00036.40234.670M36336.00034.05132.752M424.542.00039.07737.129M39338.00037.05135.752M454.545.00

5、042.07740.129M40340.00038.05136.752螺纹公称直径d螺距P钻头直径d铜不锈钢20．41．61．60．251．751．7530．52．52．50．352．152．1540．73．33．30．53．53．550．84．14．20．54．54．5614．950．755．25．281．256．66．71770．757．17．2101．58．48．51．258．68．716．970．757．17．2121．7510．110．21．510．410．51．2510．610．7110．91114211．8121．512．412．511

6、2．91316213．8141．514．414．5114．915182．515．315．5215．8161．516．416．5116．917202．517．317．5217．8181．518．418．5118．919222．519．319．5219．8201．520．420．5120．92124320．721221．8221．522．422．5122．923非螺纹密封英制英制锥管螺纹英制锥螺纹螺纹直径牙数钻头直径螺纹直径牙数钻头直径螺纹直径牙数钻头直径1/8288．81/8288．41/8278．61/41911．71/41911．21/41811．

7、13/81915．23/81914．73/81814．51/21418．91/21418．31/21417．93/41424．43/41423．63/41423．211130．611429．7111．529．21-1/41139．21-1/41138．31-1/411．537．91-3/81141．61-1/21144．11-1/211．543．91-1/21145．121155．8211．556螺距(t)螺纹长度基面上螺纹直径牙型高度(h1)有效长度基面长度外径(d)中径(d2)内径(d1)0.9194.59.739.158.570.581.341

8、1613.1612.311.450.861.3412616.6615.8114.950.861.81157.