螺纹底表(NPT、NPTF、NPS、NPSF、G、BSW、BSF....)

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1、美标螺纹UNC粗牙螺纹根据ANSIB1.1UNF细牙螺纹根据ANSIB1.1DD1DD1Φ"-P/1"min.max.图片Φ"-P/1"min.max.图片mmmmmmmm5Nr.1-641.4251.5821.5/16-246.7827.0366.93Nr.2-561.6941.8721.8/8-248.3828.6368.57Nr.3-481.9412.1462.1/16-209.72810.0339.91Nr.4-402.1562.3852.3/2-2011.32811.60811.59Nr.5-402.4872.6972.6/16-1812.75113.08112.95Nr.6-3

2、22.6422.8962.85/8-1814.35114.68114.53Nr.8-323.3023.5313.5/4-1617.32317.67817.57Nr.10-243.6833.9623.9/8-1420.26920.67620.5Nr.12-244.3434.5974.51-1223.11423.57123.2511/4-204.9785.2585.21/8-1226.28926.74626.551/16-186.4016.7316.61/4-1229.46429.92129.7533/8-167.7988.15381/8-1232.63933.0963371/16-149.1

3、449.5509.41/2-1235.81436.271361/2-1310.59211.02410.89/16-1211.98912.44612.25UNEF超细牙螺纹根据ANSIB1.15/8-1113.38613.86813.53/4-1016.30716.84016.57DD1/8-919.17719.76119.5图片1-821.97122.60622.25Φ"-P/1"min.max.11/8-724.63825.34925mmmm11/4-727.81328.52428.2512-324.6234.8264.75311/8-630.35331.11531/4-325.4865

4、.6905.6151/2-633.52834.29034/16-327.0877.2647.2331/4-538.96439.82739.5/8-328.6618.8658.8172-4/244.67945.59345.25/16-2810.13510.33810.251/2-2811.70911.93811.89UNF细牙螺纹根据ANSIB1.1/16-2413.13213.38613.35/8-2414.73214.98614.7511DD1/16-2416.30716.56116.53Φ"-P/1"min.max.图片/4-2017.67817.95817.7513mmmmNr./1

5、6-2019.25319.55819.57Nr.0-801.1811.3061.25/8-2020.85321.1332115Nr.1-721.4731.6131.55/16-2022.42822.73322.5Nr.2-641.7551.9131.851-2024.02824.30824.251Nr.3-562.0242.1972.11/16-1825.45125.78125.751Nr.4-482.2712.4592.41/8-1827.05127.38127.253Nr.5-442.552.7412.71/16-1828.62628.95629.751Nr.6-402.8193.02

6、32.951/4-1830.22630.55630.55Nr.8-363.4043.6073.51/16-1831.80132.131323Nr.10-323.9624.1664.11/8-1833.40133.73133.57Nr.12-284.4964.7244.651/16-1834.97635.30635.211/4-285.3595.5885.51/2-1836.57636.88136.8美制锥形管螺纹NPT和NPTFD1t1a)圆柱形预钻孔未经过绞刀加Φ"-P/1"NPTNPTFmin.工mmmmmm1/16-276.156.1121/8-278.58.45121/4-1811

7、10.917.53/8-1814.514.317.61/2-1417.8517.622.93/4-1423.2232311-11/229.528.7527.4111/4-11/237.837.528.1111/2-11/24443.7528.412-11/25655.7528.412/2-866.566.2540.83-882.38243Φ"-P/1"D2D3（+0.05）t1b)圆柱形预钻孔再经过锥形绞φNPTNPTF