外 徑中 徑外徑倒
孔 徑内螺紋
0-80/0.060-801-64/0.073-641-72/0.073-722-56/0.086-562-64/0.086-643-48/0.099-483-56/0.099-564-40/0.112-404-48/0.112-485-40/0.125-405-44/0.125-446-32/0.138-326-40/0.138-408-32/0.164-328-36/0.164-36
型式等級UNF2A3AUNC2A3AUNF2A3AUNC2A3AUNF2A3AUNC2A3AUNF2A3AUNC2A3AUNF2A3AUNC2A3AUNF2A3AUNC2A3AUNF2A3AUNC2A3AUNF
2A3A
允許偏差最大0.00050.05950.00000.06000.00060.07240.00000.07300.00060.07240.00000.07300.00060.08540.00000.08600.00060.08540.00000.08600.00070.09830.00000.09900.00070.09830.00000.09900.00080.11120.00000.11200.00070.11130.00000.11200.00080.12420.00000.12500.00070.12430.00000.12500.00080.13720.00000.13800.00080.13720.00000.13800.00090.16310.00000.16400.00080.16320.0000
0.1640
最小最小10.0563…0.0568…0.0686…0.0692…0.0689…0.0695…0.0813…0.0819…0.0816…0.0822…0.0938…0.0945…0.0942…0.0949…0.1061…0.1069…0.1068…0.1075…0.1191…0.1199…0.1195…0.1202…0.1312…0.1320…0.1321…0.1329…0.1571…0.1580…0.1577…0.1585
…
最大最小0.05140.04960.05190.05060.06230.06030.06290.06140.06340.06150.06400.06260.07380.07170.07440.07280.07530.07330.07590.07440.08480.08250.08550.08380.08670.08450.08740.08580.09500.09250.09580.09390.09780.09540.09850.09670.10800.10540.10880.10690.10950.10700.11020.10830.11690.11410.11770.11560.12100.11840.12180.11980.14280.13990.14370.14150.14520.14240.1460
0.1439
公差范圍角最大0.00180.04460.00130.04510.00200.05380.00150.05440.00190.05590.00140.05650.00210.06420.00160.06480.00200.06680.00150.06740.00230.07340.00170.07410.00220.07710.00160.07780.00250.08140.00190.08220.00240.08640.00180.08710.00260.09440.00190.09520.00250.09720.00190.09790.00280.10000.00210.10080.00260.10740.00200.10820.00290.12590.00220.12680.00280.13010.00210.1309
等級最小2B0.04653B0.04652B0.05613B0.05612B0.05803B0.05802B0.06673B0.06672B0.06913B0.06912B0.07643B0.07642B0.07973B0.07972B0.08493B0.08492B0.08943B0.08942B0.09793B0.09792B0.10043B0.10042B0.10403B0.10402B0.1113B0.11102B0.1303B0.13002B0.1343B
0.1340最大0.05140.05140.06230.06230.06350.06350.07370.07370.07530.07530.08450.08450.08650.08650.09390.09390.09680.09680.10620.10620.10790.10790.1140.11400.1190.11860.1390.13890.1420.1416
螺紋规格螺紋外螺紋
外 徑中 徑外徑倒
孔 徑内螺紋
10-24/0.190-2410-32/0.190-3212-24/0.216-2412-28/0.216-2812-32/0.216-321/4-20/0.250-20
1/4-28/0.250-281/4-32/0.250-325/16-18/0.3125-185/16-20/0.3125-205/16-24/0.3125-245/16-28/0.3125-285/16-32/0.3125-32
型式等級UNC2A3AUNF2A3AUNC2A3AUNF2A3AUNEF2A3A1AUNC
2A3A1AUNF2A3AUNEF2A3A1AUNC2A3AUN2A3A1AUNF2A3AUN2A3AUNEF
2A3A
允許偏差最大0.00100.18900.00000.19000.00090.18910.00000.19000.00100.21500.00000.21600.00100.21500.00000.21600.00090.21510.00000.21600.00110.24890.00110.24890.00000.25000.00100.24900.00100.24900.00000.25000.00100.24900.00000.25000.00120.31130.00120.31130.00000.31250.00120.31130.00000.31250.00110.31140.00110.31140.00000.31250.00100.31150.00000.31250.00100.31160.0000
0.3125
最小最小10.1818…0.1828…0.1831…0.1840…0.2078…0.2088…0.2085…0.2095…0.2091…0.2100…0.2367…0.24080.23670.2419…0.2392…0.2425…0.2435…0.2430…0.2440…0.2982…0.30260.29820.3038…0.3032…0.3044…0.3006…0.3042…0.3053…0.3050…0.3060…0.3055…0.3065
…
最大最小0.16190.15860.16290.16040.16880.16580.16970.16740.18790.18450.18890.18630.19180.18860.19280.19040.19480.19170.19570.19330.21640.21080.21640.21270.21750.21470.22580.22080.22580.22250.22680.22430.22870.22550.22970.22730.27520.26910.27520.27120.27640.27340.27880.27480.28000.27700.28430.27880.28430.28060.28540.28270.28830.28490.28930.28670.29120.28800.2922
0.2898
公差范圍角最大0.00330.13940.00250.14040.00300.15190.00230.15280.00340.16540.00260.16640.00320.17240.00240.17340.00310.17790.00240.17880.00560.18940.00370.18940.00280.19050.00500.20640.00330.20640.00250.20740.00320.21180.00240.21280.00610.24520.00400.24520.00300.24640.00400.25180.00300.25300.00550.26180.00370.26180.00270.26290.00340.26890.00260.26990.00320.27430.00240.2753
等級最小2B0.1453B0.14502B0.1563B0.15602B0.1713B0.17102B0.1773B0.17702B0.1823B0.18201B0.1962B0.1963B0.19601B0.2112B0.2113B0.21102B0.2163B0.21601B0.2522B0.2523B0.25202B0.2583B0.25801B0.2672B0.2673B0.26702B0.2743B0.27402B0.2793B
0.2790最大0.1560.15550.1640.16410.1810.18070.1860.18570.1900.18950.2070.2070.20670.2200.2200.21900.2240.22290.2650.2650.26300.2700.26800.2770.2770.27540.2820.28070.2860.2847
螺紋规格
螺紋外螺紋
外 徑中 徑外徑倒
孔 徑内螺紋
3/8-16/0.375-163/8-20/0.375-203/8-24/0.375-243/8-28/0.375-283/8-32/0.375-327/16-14/0.4375-147/16-16/0.4375-167/16-20/0.4375-207/16-28/0.4375-287/16-32/0.4375-321/2-13/0.500-131/2-16/0.500-161/2-20/0.500-20
型式等級1AUNC2A3AUN2A3A1AUNF2A3AUN2A3AUNEF2A3A1AUNC2A3AUN2A3A1AUNF2A3AUNEF2A3AUN2A3A1AUNC2A3AUN2A3A1AUNF
2A3A
允許偏差最大0.00130.37370.00130.37370.00000.37500.00120.37380.00000.37500.00110.37390.00110.37390.00000.37500.00110.37390.00000.37500.00100.37400.00000.37500.00140.43610.00140.43610.00000.43750.00140.43610.00000.43750.00130.43620.00130.43620.00000.43750.00110.43640.00000.43760.00100.43650.00000.43750.00150.49850.00150.49850.00000.50000.00140.49860.00000.50000.00130.49870.00130.49870.0000
0.5000
最小最小10.3595…0.36430.35950.3656…0.3657…0.3669…0.3631…0.3667…0.3678…0.3674…0.3685…0.3680…0.3690…0.4206…0.42580.42060.4272…0.4267…0.4281…0.4240…0.4281…0.4294…0.4299…0.4310…0.4305…0.4315…0.4822…0.48760.48220.4891…0.4892…0.4906…0.4865…0.4906…0.4919
…
最大最小0.33310.32660.33310.32870.33440.33110.34130.33720.34250.33940.34680.34110.34680.34300.34790.34500.35070.34710.35180.34910.35370.35030.35470.35220.38970.38260.38970.38500.39110.38760.39550.39090.39690.39350.40370.39750.40370.39950.40500.40190.41320.40960.41430.41160.41620.41280.41720.41470.44850.44110.44850.44350.45000.44630.45800.45330.45940.45590.46620.45980.46620.46190.4675
0.4643
公差范圍角最大0.00650.29920.00440.29920.00330.30050.00410.31430.00310.31550.00570.32430.00380.32430.00290.32540.00360.33130.00270.33240.00340.33680.00250.33780.00710.35110.00470.35110.00350.35250.00460.36160.00340.36300.00620.37670.00420.37670.00310.37800.00360.39380.00270.39490.00340.39930.00250.40030.00740.40690.00500.40690.00370.40840.00470.42410.00350.42550.00640.43920.00430.43920.00320.4405
等級最小1B0.3072B0.3073B0.30702B0.3213B0.32101B0.3302B0.3303B0.33002B0.3363B0.33602B0.3413B0.34101B0.3602B0.3603B0.36002B0.3703B0.37001B0.3832B0.3833B0.38302B0.3993B0.39902B0.4043B0.40401B0.4172B0.4173B0.41702B0.4323B0.43201B0.4462B0.4463B
0.4460最大0.3210.3210.31820.3320.32970.3400.3400.33720.3450.34260.3490.34690.3760.3760.37170.3840.38000.3950.3950.39160.4070.40510.4110.40940.4340.4340.42840.4460.44190.4570.4570.4537
螺紋规格螺紋外螺紋
外 徑中 徑外徑倒
孔 徑内螺紋
1/2-28/0.500-281/2-32/0.500-329/16-12/0.5625-129/16-16/0.5625-169/16-18/0.5625-189/16-20/0.5625-209/16-24/0.5625-249/16-28/0.5625-289/16-32/0.5625-325/8-11/0.625-115/8-12/0.625-125/8-16/0.625-165/8-18/0.625-18
型式等級UNEF2A3AUN2A3A1AUNC2A3AUN2A3A1AUNF2A3AUN2A3AUNEF2A3AUN2A3AUN2A3A1AUNC2A3AUN2A3AUN2A3A1AUNF
2A3A
允許偏差最大0.00110.49890.00000.50000.00100.49900.00000.50000.00160.56090.00160.56090.00000.56250.00140.56110.00000.56250.00140.56110.00140.56110.00000.56250.00130.56120.00000.56260.00120.56130.00000.56250.00110.56140.00000.56250.00100.56150.00000.56250.00160.62340.00160.62340.00000.62500.00160.62340.00000.62500.00140.63260.00000.62500.00140.62360.00140.62360.0000
0.6250
最小最小10.4924…0.4935…0.4930…0.4940…0.5437…0.54950.54370.5511…0.5517…0.5531…0.5480…0.5524…0.5538…0.5531…0.5544…0.5541…0.5553…0.5549…0.5560…0.5555…0.5565…0.6052…0.61130.60520.6129…0.6120…0.6136…0.6142…0.6156…0.6105…0.6149…0.6163
…
最大最小0.47570.47200.47680.47400.47870.47520.47970.47710.50680.49900.50680.50160.50840.50450.52050.51580.52190.51840.52500.51820.52500.52050.52640.52300.52870.52450.53000.52680.53420.53030.53540.53250.53820.53450.53930.53650.54120.53770.54220.53960.56440.55610.56440.55890.56600.56190.56930.56390.57090.56680.58300.57820.58440.58080.58750.58050.58750.58280.5889
0.5854
公差范圍角最大0.00370.45630.00280.45740.00350.46180.00260.46280.00780.46170.00520.46170.00390.46330.00470.48660.00350.48800.00680.49500.00450.49500.00340.49640.00420.50170.00320.50300.00390.51170.00290.51290.00370.51880.00280.51990.00350.52430.00260.52530.00830.51520.00560.51520.00410.51680.00540.52420.00410.52580.00480.54910.00360.55050.00700.55750.00470.55750.00350.5589
等級最小2B0.4613B0.46102B0.4663B0.46601B0.4722B0.4723B0.47202B0.4953B0.49501B0.5022B0.5023B0.50202B0.5083B0.50802B0.5173B0.5172B0.5243B0.52402B0.5293B0.52901B0.5272B0.5273B0.52702B0.5353B0.53502B0.5573B0.55701B0.5652B0.5653B
0.565最大0.4700.46760.4740.47190.4900.4900.48430.5090.50400.5150.5150.51060.5200.51620.5270.52440.5320.53010.5360.53440.5460.5460.53910.5530.54630.5710.56620.5780.5780.5730
螺紋规格螺紋外螺紋
外 徑中 徑外徑倒
孔 徑内螺紋
5/8-20/0.625-205/8-24/0.625-245/8-28/0.625-285/8-32/0.625-323/4-10/0.750-103/4-12/0.750-123/4-16/0.750-163/4-20/0.750-20
型式等級UN2A3AUNEF2A3AUN2A3AUN2A3AUN2A3AUN2A3AUN2A3AUNEF2A3AUN2A3AUN2A3A1AUNC2A3AUN2A3A1AUNF2A3AUN
2A3A
允許偏差最大0.00130.62370.00000.62500.00120.62380.00000.62500.00110.62390.00000.62500.00110.62390.00000.62500.00160.68590.00000.68750.00140.68610.00000.68750.00130.68820.00000.68750.00120.68630.00000.68750.00110.68640.00000.68750.00110.68640.00000.68750.00180.74820.00180.74820.00000.75000.00170.74830.00000.75000.00150.74850.00150.74850.00000.75000.00130.74870.0000
0.7500
最小最小10.6156…0.6169…0.6166…0.6178…0.6174…0.6185…0.6179…0.6190…0.6745…0.6761…0.6767…0.6781…0.6781…0.6794…0.6791…0.6803…0.6799…0.6810…0.6804…0.6815…0.7288…0.73530.72880.7371…0.7369…0.7386…0.7343…0.7391…0.7406…0.7406…0.7419
…
最大最小0.59120.58690.59250.58930.59670.59270.59790.59490.60070.59690.60180.59900.60360.60000.60470.60200.63180.62640.63340.62930.64550.64070.64690.64330.65370.64940.65500.65180.65920.65520.66040.65740.66320.65940.66430.66150.66610.66250.66720.66450.68320.67440.68320.67730.68500.68060.69420.68870.69590.69180.70790.70040.70790.70290.70940.70560.71620.71180.7175
0.7142
公差范圍角最大0.00430.56420.00320.56550.0040057420.00300.57540.00380.58130.00280.58240.00360.58670.00270.58780.00540.58670.00410.58830.00480.61160.00360.61300.00430.62670.00320.62800.00400.63670.00300.63790.00380.64380.00280.64490.00380.64920.00270.65030.00880.62910.00590.62910.00440.63090.00550.64910.00410.65080.00750.67400.00500.67400.00380.67550.00440.68920.00330.6905
等級最小2B0.5713B0.57102B0.5803B0.58002B0.5863B0.58602B0.5913B0.59102B0.5973B0.5972B0.6203B0.62002B0.6333B0.63302B0.6423B0.64202B0.6493B0.64902B0.6543B0.65401B0.6422B0.6423B0.64202B0.6603B0.66001B0.6822B0.6823B0.68202B0.6963B
0.6960最大0.5820.57870.5900.58690.5950.59260.5900.59690.6150.60850.6340.62840.6450.64120.6520.64940.6570.65510.6610.65940.6630.6630.65450.6780.67070.6960.6960.69080.7070.7037
11/16-12/0.6875-1211/16-16/0.6875-1611/16-20/0.6875-2011/16-24/0.6875-2411/16-28/0.6875-2811/16-32/0.6875-32螺紋规格螺紋外螺紋
外 徑中 徑外徑倒
孔 徑内螺紋
3/4-28/0.750-283/4-32/0.750-3213/16-12/0.8125-1213/16-16/0.8125-1613/16-20/0.8125-2013/16-28/0.8125-2813/16-32/0.8125-327/8-9/0.875-97/8-12/0.875-127/8-14/0.875-147/8-16/0.875-167/8-20/0.875-207/8-28/0.875-287/8-32/0.875-32
型式等級UN2A3AUN2A3AUN2A3AUN2A3AUNEF2A3AUN2A3AUN2A3A1AUNC2A3AUN2A3A1AUNF2A3AUN2A3AUNEF2A3AUN2A3AUN
2A3A
允許偏差最大0.00120.74880.00000.75000.00110.74890.00000.75000.00170.81080.00000.81250.00150.81100.00000.81250.00130.81120.00000.81250.00120.81130.00000.81250.00110.81140.00000.81250.00190.87310.00190.87310.00000.87500.00170.87330.00000.87500.00160.87340.00160.87340.00000.87500.00150.87350.00000.87500.00130.87370.00000.87500.00120.87380.00000.87500.00110.87390.0000
0.8750
最小最小10.7423…0.7435…0.7429…0.7440…0.7994…0.8011…0.8016…0.8031…0.8031…0.8044…0.8048…0.8060…0.8054…0.8065…0.8523…0.85920.85230.8611…0.8619…0.8636…0.8579…0.8631…0.8647…0.8641…0.8656…0.8656…0.8669…0.8673…0.8685…0.8679…0.8690
…
最大最小0.72560.72180.72680.72390.72860.72500.72970.72700.75670.75120.75840.75430.77040.76550.77190.76830.77870.77430.78000.77670.78810.78430.78930.78640.79110.78750.79220.78950.80090.79140.80090.79460.80280.79810.81920.81370.82090.81680.82700.81890.82700.82160.82860.82450.83290.82800.83440.83080.84120.83680.84250.83920.85060.84680.85180.84890.85360.85000.8547
0.8520
公差范圍角最大0.00380.70620.00290.70740.00360.71170.00270.71280.00550.71160.00410.71330.00490.73650.00360.73800.00440.75170.00330.75300.00380.76870.00290.76990.00360.77420.00270.77530.00950.74080.00630.74080.00470.74270.00550.77410.00410.77580.00810.78840.00540.78840.00410.79000.00490.79000.00360.80050.00440.81420.00330.81550.00380.83120.00290.83240.00360.83670.00270.8378
等級最小2B0.7113B0.71102B0.7163B0.71602B0.7223B0.72202B0.7453B0.74502B0.7583B0.75802B0.7743B0.77402B0.7793B0.77901B0.7552B0.7553B0.75502B0.7853B0.78501B0.7982B0.7983B0.79802B0.8073B0.80702B0.8213B0.82102B0.8363B0.83602B0.8413B
0.8410最大0.7200.71760.7240.72190.7400.73290.7590.75330.7700.76620.7820.78010.7860.78440.7780.7780.76810.8030.79480.8140.8140.80680.8210.81580.8320.82870.8450.84260.8490.8469
螺紋规格螺紋型式外螺紋
等級允許偏差最大外 徑最小最小1最大中 徑最小外徑倒
公差范圍角最大等級孔 徑最小最大内螺紋
15/16-12/0.9375-1215/16-16/0.9375-1615/16-20/0.9375-2015/16-28/0.9375-2815/16-32/0.9375-32
1-8/1.000-8
1-12/1.000-121-14/1.000-141-16/1.000-161-20/1.000-201-28/1.000-281-32/1.000-321-1/16-8/1.0625-8
UNUNUNEFUNUNUNC
UNF
UNS(5)UNUNEFUNUNUN
2A0.00173A0.00002A0.00153A0.00002A0.00143A0.00002A0.00123A0.00002A0.00113A0.00001A0.00202A0.00203A0.00001A0.00182A0.00183A0.00001A0.00172A0.00173A0.00002A0.00153A0.00002A0.00143A0.00002A0.00123A0.00002A0.00113A0.00002A0.00203A
0.0000
0.93580.92440.93750.92610.93600.92660.93750.92810.93610.92800.93750.92940.93630.92980.93750.93100.93640.93040.93750.93150.99800.97550.99800.98301.00000.98500.99820.98100.99820.98681.00000.98860.99830.98280.99830.98801.00000.98970.99850.98911.00000.99060.99860.99051.00000.99190.99880.99231.00000.99350.99890.99291.00000.99401.06051.04551.0625
1.0475
…0.8817…0.8834…0.8954…0.8969…0.9036…0.9050…0.9131…0.9143…0.9161…0.9172…0.91680.97550.9168…0.9188…0.9441…0.9441…0.9459…0.9519…0.9519…0.9536…0.9579…0.9594…0.9661…0.9675…0.9756…0.9768…0.9786…0.9797…0.9793…
0.9813
0.87600.00570.87930.00410.89040.00500.89320.00370.89910.00450.90160.00340.90910.00400.91130.00300.91230.00380.91440.00280.90670.01010.91000.00680.91370.00510.93530.00880.93820.00590.94150.00440.94350.00840.94630.00560.94940.00420.95290.00500.95570.00370.96160.00450.96410.00340.97160.00400.97380.00300.97480.00380.97690.00280.97250.00680.9762
0.00510.83662B0.83833B0.86152B0.86303B0.87662B0.87803B0.89372B0.89493B0.89922B0.90033B0.84921B0.84922B0.85123B0.89901B0.89902B0.90083B0.91321B0.91322B0.91493B0.92402B0.92553B0.93912B0.94053B0.95622B0.95743B0.96172B0.96283B0.91172B0.9137
3B
0.8470.8650.84700.85750.8700.8840.87000.87830.8830.8950.88300.89120.8990.9070.89900.90510.9040.9110.90400.90940.8650.8900.8650.8900.86500.87970.9100.9280.9100.9280.91000.91980.9230.9380.9230.9380.92300.93160.9320.9460.93200.94080.9460.9570.94600.95370.9610.9700.96100.96760.9660.9740.96600.97190.9270.9520.92700.9422
螺紋规格螺紋外螺紋
外 徑中 徑外徑倒
孔 徑内螺紋
1-1/16-12/1.0625-121-1/16-16/1.0625-161-1/16-18/1.0625-181-1/16-20/1.0625-201-1/16-28/1.0625-281-1/8-7/1.125-71-1/8-8/1.125-81-1/8-12/1.125-121-1/8-16/1.125-161-1/8-18/1.125-181-1/8-20/1.125-201-1/8-28/1.125-281-3/16-8/1.1875-81-3/16-12/1.1875-12
型式等級UN2A3AUN2A3AUNEF2A3AUN2A3AUN2A3A1AUNC2A3AUN2A3A1AUNF2A3AUN2A3AUNEF2A3AUN2A3AUN2A3AUN2A3AUN
2A3A
允許偏差最大0.00171.06080.00001.06250.00151.06100.00001.06250.00141.06110.00001.06250.00141.06110.00001.06250.00121.06130.00001.06250.00221.12280.00221.12280.00001.12500.00211.12290.00001.12500.00181.12320.00181.12320.00001.12500.00151.12350.00001.12500.00141.12360.00001.12500.00141.12360.00001.12500.00121.12380.00001.12500.00211.18540.00001.18750.00171.18580.0000
1.1875
最小最小11.0494…1.0511…1.0516…1.0531…1.0524…1.0538…1.0530…1.0544…1.0548…1.0560…1.0982…1.10641.09821.1086…1.10791.10041.1100…1.1060…1.1118…1.1136…1.1141…1.1156…1.1149…1.1163…1.1155…1.1169…1.1173…1.1185…1.1704…1.1725…1.1744…1.1761
…
最大最小1.00671.00101.00841.00421.02041.01541.02191.01821.02501.02031.02641.02281.02861.02411.03001.02661.03811.03411.03931.03631.03001.01911.03001.02281.03221.02681.04171.03481.04381.03861.06911.06011.06911.06311.07091.06641.08291.07791.08441.08071.08751.08281.08891.08531.09111.08661.09251.08911.10061.09661.10181.09881.10421.09721.10631.10111.13171.12591.1334
1.1291
公差范圍角最大0.00570.96160.00420.96330.00500.98650.00370.98800.00470.99500.00360.99640.00451.00160.00341.00300.00401.01870.00301.01991.01090.95270.00720.95270.00540.95490.00690.97410.00520.97620.00901.02400.00601.02400.00451.02580.00501.04900.00370.05050.00471.05750.00361.05890.00451.06410.00341.06550.00401.08120.00301.08240.00701.03660.00521.03870.00581.08660.00431.0883
等級最小2B0.9723B0.97202B0.9953B0.99502B1.0023B1.00202B1.0083B1.00802B1.0243B1.02401B0.9702B0.9703B0.97002B0.9903B0.99001B1.0352B1.0353B1.03502B1.0573B1.05702B1.0653B1.06502B1.0713B1.07102B1.0863B1.08602B1.0523B1.05202B1.0973B
1.0970最大0.9900.98231.0091.00331.0151.01051.0201.01621.0321.03010.9980.9980.98751.0151.00471.0531.0531.04481.0711.06581.0781.07301.0821.07871.0951.09261.0771.06721.1151.1073
螺紋规格螺紋外螺紋
外 徑中 徑外徑倒
孔 徑内螺紋
1-3/16-16/1.1875-161-3/16-18/1.1875-181-3/16-20/1.1875-201-3/16-28/1.1875-281-1/4-7/1.250-71-1/4-8/1.250-81-1/4-12/1.250-121-1/4-16/1.250-161-1/4-18/1.250-181-1/4-20/1.250-201-1/4-28/1.250-281-5/16-8/1.3125-81-5/16-12/1.3125-121-5/16-16/1.3125-16
型式等級UN2A3AUNEF2A3AUN2A3AUN2A3A1AUNC2A3AUN2A3A1AUNF2A3AUN2A3AUNEF2A3AUN2A3AUN2A3AUN2A3AUN2A3AUN
2A3A
允許偏差最大0.00151.18600.00001.18750.00151.18600.00001.18750.00141.18610.00001.18750.00121.18630.00001.18750.00221.24780.00221.24780.00001.25000.00211.24790.00001.25000.00181.24820.00181.24820.00001.25000.00151.24850.00001.25000.00151.24850.00001.25000.00141.24860.00001.25000.00121.24880.00001.25000.00211.31040.00001.31250.00171.31080.00001.31250.00151.31100.0000
1.3125
最小最小11.1766…1.1781…1.1773…1.1788…1.1780…1.1794…1.1798…1.1810…1.2232…1.23141.22321.2336…1.23291.22541.2350…1.2310…1.2368…1.2386…1.2391…1.2406…1.2398…1.2413…1.2405…1.2419…1.2423…1.2435…1.2954…1.2975…1.2994…1.3011…1.3016…1.3031
…
最大最小1.14541.14031.14691.14311.14991.14501.15141.14781.15361.14891.15501.15151.16311.15901.16431.16121.15501.14391.15501.14761.15721.15171.16671.15971.16881.16351.19411.18491.19411.18791.19591.19131.20791.20281.20941.20561.21241.20751.21391.21031.21611.21141.21751.21401.22561.22151.22681.22371.22921.22211.23131.22601.25671.25091.25841.25411.27041.26531.2719
1.2681
公差范圍角最大0.00511.11150.00381.11300.00491.11990.00361.12140.00471.12660.00351.12800.00411.14370.00311.14490.01111.07770.00741.07770.00551.07990.00701.09910.00531.10120.00921.14900.00621.14900.00461.15080.00511.17400.00381.17550.00491.18240.00361.18390.00471.18910.00351.19050.00411.20620.00311.20740.00711.16160.00531.16370.00581.21160.00431.21330.00511.23650.00381.2380
等級最小2B1.1203B1.12002B1.1273B1.12702B1.1333B1.13302B1.1493B1.14901B1.0952B1.0953B1.09502B1.1153B1.11501B1.1602B1.1603B1.16002B1.1823B1.18202B1.1903B1.19002B1.1963B1.19602B1.2113B1.21102B1.1773B1.17702B1.2223B1.22202B1.2453B
1.2450最大1.1341.12831.1401.13551.1451.14121.1571.15511.1231.1231.11251.1401.12971.1781.1781.16981.1961.19081.2031.19801.2071.20371.2201.21761.2021.19221.2401.23231.2591.2533
螺紋规格螺紋外螺紋
外 徑中 徑外徑倒
孔 徑内螺紋
1-5/16-18/1.3125-181-5/16-20/1.3125-201-5/16-28/1.3125-281-3/8-6/1.375-61-3/8-8/1.375-81-3/8-12/1.375-121-3/8-16/1.375-161-3/8-18/1.375-181-3/8-20/1.375-201-3/8-28/1.375-281-7/16-6/1.4375-61-7/16-8/1.4375-81-7/16-12/1.4375-121-7/16-16/1.4375-16
型式等級UNEF2A3AUN2A3AUN2A3A1AUNC2A3AUN2A3A1AUNF2A3AUN2A3AUNEF2A3AUN2A3AUN2A3AUN2A3AUN2A3AUN2A3AUN
2A3A
允許偏差最大0.00151.31100.00001.31250.00141.31110.00001.31250.00121.31130.00001.31250.00241.37260.00241.37260.00001.37500.00221.37280.00001.37500.00191.37310.00191.37310.00001.37500.00151.37350.00001.37500.00151.37350.00001.37500.00141.37360.00001.37500.00121.37380.00001.37500.00241.43510.00001.43750.00221.43530.00001.43750.00181.43570.00001.43750.00161.43590.0000
1.4375
最小最小11.3023…1.3038…1.3030…1.3044…1.3048…1.3060…1.3453…1.35441.34531.3568…1.35781.35031.3600…1.3559…1.3617…1.3636…1.3641…1.3656…1.3648…1.3663…1.3655…1.3669…1.3673…1.3685…1.4169…1.4193…1.4203…1.4225…1.4243…1.4261…1.4265…1.4281
…
最大最小1.27491.27001.27641.27281.27861.27391.28001.27651.28811.28401.28931.28621.26431.25231.26431.25631.26671.26071.29161.28441.29381.28841.31901.30961.31901.31271.32091.31621.33291.32781.33441.33061.33741.33251.33891.33531.34111.33641.34251.33901.35061.34651.35181.34871.32681.31881.32921.32321.35411.34691.35631.35091.38161.37571.38341.37901.39531.39011.3969
1.3930
公差范圍角最大0.00491.24490.00361.24640.00471.25160.00351.25300.00411.26870.00311.26990.01201.17420.00801.17420.00601.17660.00721.22400.00541.22620.00941.27390.00631.27390.00471.27580.00511.29900.00381.30050.00491.30740.00361.30890.00471.31410.00351.31550.00411.33120.00311.33240.00801.23670.00601.23910.00721.28650.00541.28870.00591.33650.00441.33830.00521.36140.00391.3630
等級最小2B1.2523B1.25202B1.2583B1.25802B1.2743B1.27401B1.1952B1.1953B1.19502B1.2403B1.24001B1.2852B1.2853B1.28502B1.3073B1.30702B1.3153B1.31502B1.3213B1.32102B1.3363B1.33602B1.2573B1.25702B1.3023B1.30202B1.3473B1.34702B1.3703B
1.3700最大1.2651.26051.2701.26621.2821.28011.2251.2251.21461.2651.25471.3031.3031.29481.3211.31581.3281.32301.3321.32871.3451.34261.2881.27711.3271.31721.3651.35731.3841.3783
螺紋规格螺紋外螺紋
外 徑中 徑外徑倒
孔 徑内螺紋
1-7/16-18/1.4375-181-7/16-20/1.4375-201-7/16-28/1.4375-281-1/2-6/1.500-61-1/2-8/1.500-81-1/2-12/1.500-121-1/2-16/1.500-161-1/2-18/1.500-181-1/2-20/1.500-201-1/2-28/1.500-28
型式等級UNEF2A3AUN2A3AUN2A3A1AUNC2A3AUN2A3A1AUNF2A3AUN2A3AUNEF2A3AUN2A3AUN
2A3A
允許偏差最大0.00151.43600.00001.43750.00141.43610.00001.43750.00131.43620.00001.43750.00241.49760.00241.49760.00001.50000.00221.49780.00001.50000.00191.49810.00191.49810.00001.50000.00161.49840.00001.50000.00151.49850.00001.50000.00141.49860.00001.50000.00131.49870.0000
1.5000
最小最小11.4273…1.4288…1.4280…1.4294…1.4297…1.4310…1.4703…1.47941.47031.4818…1.48281.47531.4850…1.4809…1.4867…1.4886…1.4890…1.4906…1.4898…1.4913…1.4905…1.4919…1.4922…1.4935
…
最大最小1.39991.39491.40141.39771.40361.39881.40501.40141.41301.40881.41431.41121.38931.37721.38931.38121.39171.38561.41661.40931.41881.41331.44401.43441.44401.43761.44591.44111.45781.45261.45941.45551.46241.45741.46391.46021.46611.46131.46751.46391.47551.47131.4768
1.4737
公差范圍角最大0.00501.36990.00371.37140.00481.37660.00361.37800.00421.39360.00311.39490.01211.29920.00811.29920.00611.30160.00731.34900.00551.35120.00961.39890.00641.39890.00481.40080.00521.42390.00391.42550.00501.43240.00371.43390.00481.43910.00361.44050.00421.45610.00311.4574
等級最小2B1.3773B1.37702B1.3833B1.38302B1.3993B1.39901B1.3202B1.3203B1.32002B1.3653B1.36501B1.4102B1.4103B1.41002B1.4323B1.43202B1.4403B1.44002B1.4463B1.44602B1.4613B
1.4610最大1.3901.38551.3951.39121.4071.40511.3501.3501.33961.3901.37971.4281.4281.41981.4461.44081.4521.44801.4571.45371.4701.4676
内螺紋中 徑最小最大0.05190.05420.05190.05360.06290.06550.06290.06480.06400.06650.06400.06590.07440.07720.07440.07650.07590.07860.07590.07790.08550.08850.08550.08770.08740.09020.08740.08950.09580.09910.09580.09820.09850.10160.09850.10080.10880.11210.10880.11130.11020.11340.11020.11260.11770.12140.11770.12040.12180.12520.12180.12430.14370.14750.14370.14650.14600.14960.1460
0.1487
孔徑倒
公差范圍角最小0.00230.06000.00170.06000.00260.07300.00190.07300.00250.07300.00190.07300.00280.08600.00210.08600.00270.08600.00200.08600.00300.09900.00220.09900.00280.09900.00210.09900.00330.11200.00240.11200.00310.11200.00230.11200.00330.12500.00250.12500.00320.12500.00240.12500.00370.13800.00270.13800.00340.13800.00250.13800.00380.16400.00280.16400.00360.16400.00270.1640
内螺紋中 徑最小最大0.16290.16720.16290.16610.16970.17360.16970.17260.18890.19330.18890.19220.19280.19700.19280.19590.19570.19980.19570.19880.21750.22480.21750.22240.21750.22110.22680.23330.22680.23110.22680.23000.22970.23390.22970.23280.27640.28430.27640.28170.27640.28030.28000.28520.28000.28390.28540.29250.28540.29020.28540.28900.28930.29370.28930.29260.29220.29640.2922
0.2953
孔徑倒
公差范圍角最小0.00430.19000.00320.19000.00390.19000.00290.19000.00440.21600.00330.21600.00420.21600.00310.21600.00410.21600.00310.21600.00730.25000.00490.25000.00360.25000.00650.25000.00430.25000.00320.25000.00420.25000.00310.25000.00790.31250.00530.31250.00390.31250.00570.31250.00390.31250.00710.31250.00480.31250.00360.31250.00440.31250.00330.31250.00420.31250.00310.3125
内螺紋中 徑最小最大0.33440.34290.33440.34010.33440.33870.34250.34790.34250.34650.34790.35530.34790.35280.34790.35160.35180.35640.35180.35530.35470.35910.35470.35800.39110.40030.39110.39720.39110.39570.39690.40280.39690.40140.40500.41310.40500.41040.40500.40910.41430.41890.41430.41780.41720.42160.41720.42050.45000.45970.45000.45650.45000.45480.45940.46550.45940.46400.46750.47590.46750.47310.4675
0.4717
孔徑倒
公差范圍角最小0.00850.37500.00570.37500.00430.37500.00540.37500.00400.37500.00740.37500.00490.37500.00370.37500.00460.37500.00350.37500.00440.37500.00330.37500.00920.43750.00610.43750.00460.43750.00590.43750.00450.43750.00810.43750.00540.43750.00410.43750.00460.43750.00350.43750.00440.43750.00330.43750.00970.50000.00650.50000.00480.50000.00610.50000.00460.50000.00840.50000.00560.50000.00420.5000
内螺紋中 徑最小最大0.47680.48160.47680.48040.47970.48420.47970.48310.50840.51860.50840.51520.50840.51350.52190.52800.52190.52650.52640.53530.52640.53230.52640.53080.53000.53550.53000.53410.53540.54050.53540.53920.53930.54410.53930.54290.54220.54670.54220.54560.56600.57670.56600.57320.56600.57140.57090.57800.57090.57620.58440.59060.58440.58900.58890.59800.58890.59490.5889
0.5934
孔徑倒
公差范圍角最小0.00480.50000.00360.50000.00450.50000.00340.50000.01020.56250.00680.56250.00510.56250.00610.56250.00460.56250.00890.56250.00590.56250.00440.56250.00550.56250.00410.56250.00510.56250.00380.56250.00480.56250.00360.56250.00450.56250.00340.56250.01070.62500.00720.62500.00540.62500.00710.62500.00530.62500.00620.62500.00460.62500.00910.62500.00600.62500.00450.6250
内螺紋中 徑最小最大0.59250.59810.59250.59670.59790.60310.59790.60180.60180.60670.60180.60550.60470.60930.60470.60820.63340.64050.63340.63870.64690.65310.64690.65150.65500.66060.65500.65920.66040.66560.66040.66430.66430.66920.66430.66800.66720.67180.66720.67070.68500.69650.68500.69270.68500.69070.69590.70310.69590.70130.70940.71920.70940.71590.70940.71430.71750.72320.7175
0.7218
孔徑倒
公差范圍角最小0.00560.62500.00420.62500.00520.62500.00390.62500.00490.62500.00370.62500.00460.62500.00350.62500.00710.68750.00530.68750.00620.68750.00460.68750.00560.68750.00420.68750.00520.68750.00390.68750.00490.68750.00370.68750.00460.68750.00350.68750.01150.75000.00770.75000.00570.75000.00720.75000.00540.75000.00980.75000.00650.75000.00490.75000.00570.75000.00430.7500
内螺紋中 徑最小最大0.72680.73180.72680.73050.72970.73440.72970.73330.75840.76560.75840.76380.77190.77820.77190.77660.78000.78570.78000.78430.78930.79430.78930.79300.79220.79690.79220.79580.80280.81510.80280.81100.80280.80890.82090.82810.82090.82630.82860.83920.82860.83560.82860.83390.83440.84070.83440.83910.84250.84820.84250.84680.85180.85680.85180.85550.85470.85940.8547
0.8583
孔徑倒
公差范圍角最小0.00500.75000.00370.75000.00470.75000.00360.75000.00720.81250.00540.81250.00630.81250.00470.81250.00570.81250.00430.81250.00500.81250.00370.81250.00470.81250.00360.81250.01230.87500.00820.87500.00610.87500.00720.87500.00540.87500.01060.87500.00700.87500.00530.87500.00630.87500.00470.87500.00570.87500.00430.87500.00500.87500.00370.87500.00470.87500.00360.8750
内螺紋中 徑最小最大0.88340.89080.88340.88890.89690.90340.89690.90180.90500.91090.90500.90940.91430.91950.91430.91820.91720.92210.91720.92090.91880.93200.91880.92760.91680.92540.94590.95730.94590.95350.94590.95160.95360.96450.95360.96090.95360.95900.95940.96590.95940.96430.96750.97340.96750.97190.97680.98200.97680.98070.97970.98460.97970.98340.98130.99020.9813
0.9880
孔徑倒
公差范圍角最小0.00740.93750.00550.93750.00650.93750.00490.93750.00590.93750.00440.93750.00520.93750.00390.93750.00490.93750.00370.93750.01321.00000.00881.00000.00661.00000.01141.00000.00761.00000.00571.00000.01091.00000.00731.00000.00541.00000.00651.00000.00491.00000.00591.00000.00441.00000.00521.00000.00391.00000.00491.00000.00371.00000.00891.06250.00671.0625
内螺紋中 徑最小最大1.00841.01581.00841.01391.02191.02841.02191.02681.02641.03261.02641.03101.03001.03591.03001.03441.03931.04451.03931.04321.03221.04631.03221.04161.03221.03931.04381.05281.04381.05051.07091.08261.07091.07871.07091.07681.08441.09091.08441.08931.08891.09511.08891.09351.09251.09841.09251.09691.10181.10701.10181.10571.10631.11541.10631.11311.13341.14091.1334
1.1390
孔徑倒
公差范圍角最小0.00741.06250.00551.06250.00651.06250.00491.06250.00621.06250.00461.06250.00591.06250.00441.06250.00521.06250.00391.06250.01411.12500.00941.12500.00711.12500.00801.12500.00671.12500.01171.12500.00781.12500.00591.12500.00651.12500.00491.12500.00621.12500.00461.12500.00591.12500.00441.12500.00521.12500.00391.12500.00911.18750.00681.18750.00751.18750.00561.1875
内螺紋中 徑最小最大1.14691.15351.14691.15191.15141.15771.15141.15611.15501.16111.15501.15951.16431.16961.16431.16831.15721.17161.15721.16681.15721.16441.16881.17801.16881.17571.19591.20791.19591.20391.19591.20191.20941.21601.20941.21441.21391.22021.21391.21861.21751.22361.21751.22201.22681.23211.22681.23081.23131.24051.23131.23821.25841.26591.25841.26401.27191.27851.2719
1.2769
孔徑倒
公差范圍角最小0.00661.18750.00501.18750.00631.18750.00471.18750.00611.18750.00451.18750.00531.18750.00401.18750.01441.25000.00961.25000.00721.25000.00921.25000.00691.25000.01201.25000.00801.25000.00601.25000.00661.25000.00501.25000.00631.25000.00471.25000.00611.25000.00451.25000.00531.25000.00401.25000.00921.31250.00691.31250.00751.31250.00561.31250.00661.31250.00501.3125
内螺紋中 徑最小最大1.27641.28271.27641.28111.28001.28611.28001.28451.28931.29461.28931.29331.26671.28221.26671.27711.26671.27451.29381.30311.29381.30081.32091.33321.32091.32911.32091.32701.33441.34101.33441.33941.33891.34521.33891.34361.34251.34861.34251.34701.35181.35711.35181.35581.32921.33961.32921.33701.35631.36571.35631.36341.38341.39101.38341.38911.39691.40371.3969
1.4020
孔徑倒
公差范圍角最小0.00631.31250.00471.31250.00611.31250.00451.31250.00531.31250.00401.31250.01551.37500.01041.37500.00781.37500.00931.37500.00701.37500.01231.37500.00821.37500.00611.37500.00661.37500.00501.37500.00631.37500.00471.37500.00611.37500.00451.37500.00531.37500.00401.37500.01041.43750.00781.43750.00941.43750.00711.43750.00761.43750.00571.43750.00681.43750.00511.4375
内螺紋中 徑最小最大1.40141.40791.40141.40621.40501.41121.40501.40961.41431.41981.41431.41841.39171.40751.39171.40221.39171.39961.41881.42831.41881.42591.44591.45841.44591.45421.44591.45221.45941.46621.45941.46451.46391.47041.46391.46871.46751.47371.46751.47211.47681.48231.4768
1.4809
孔徑倒
公差范圍角最小0.00651.43750.00481.43750.00621.43750.00461.43750.00551.43750.00411.43750.01581.50000.01051.50000.00791.50000.00951.50000.00711.50000.01251.50000.00831.50000.00631.50000.00681.50000.00511.50000.00651.50000.00481.50000.00621.50000.00461.50000.00551.50000.00411.5000
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