常用螺纹尺寸参数简明速查表.docx

公制螺纹参数简明表标准螺纹外螺纹大径内螺纹小径M12*l,251211,647M12*l,251211,376M12*l,751210,106M14*l,51412,376M14*21411,835M16*l,51614,376M16*21613,835M18*l,51816,376M18*21815,835M18*2,51815,294M20*l,52018,376M20*22017,835M20*2,52017,294M22*l,52220,376M22*22219,835M22*2,52219,294M27*l,52725,376M27*22724,835M27*32723,752M30*l,53028,376M30*23027,835M30*3,53026,211M33*l,53331,376M33*23330,835M33*3,53329,211M36*23633,835M36*33632,752M36*43631,670M39*23936,835M39*33935,752M39*43934,670M45*24542,835M45*34541,752M45*4,54540,129M52*25249,835M52*35248,752M52*55246,587M64*26461,835常用美标螺纹技术参数简明表（UNF）标准螺纹外螺纹大径内螺纹小径1/4"-286.355.3675/6”-247.9386.79238"-249.5258.3797/16"-2011.1129.7381/2”-2012.711.3269-16'-1814.28812.76158'-1815.87514.34834“T619.05017.337/8”-1422.22520.262r-i225.40023.1091-1/16-1226.98024.691-1/8”-1228.57526.284-r-i231.75029.4591-516-1233.33031.04l-38”-1234.92532.6341-12"-1238.10035.809常用英制螺纹技术参数简明表（BSP）标准规格外螺纹大径内螺纹小径1/8”-289.7288.56614"-1913.15711.44538*-1916.66214.9501/2-1420.95518.6313/4-1426.44124.117-ll33.24930.2911-14'-1141.91038,9521-12'-1147.80344.845常用美标锥螺纹参数简明表（NPT）标准规格外螺纹大径内螺纹小径1/16-277.8956.3891/8”-2710.2728.766l4zr-1813.57211.31438"-1817.05514.79712"-1421.22318.32134”T426.56823.666IyI,533.22829.694-r-n,541.98538.451