英制螺丝规格对照表

1、制晋通螺纹（取氐螺纹）小螺纹系列但A）名义尺寸BA芳型代廿大径mmd=D螺距mmP每英寸牙 数tpi心行mmd2=D2小径 外嫖纹d3牙型高H1No. 14BA10.23110.40.860.720.14No. 13BA1.20.25101.61.050.90.15No. 12BA1.30.2890 711.130.960 17No. 11BA1.50.3181.931.3151.130.185No. 10BA1.70.3572.571.491.280.21No. 9BA1.90.3965 121.6651.430.235No. 8BA2.20.4359.071.941.680.26No. 7

2、BA2.50.4852.922.211.920.29No. 6BA2.80.5347.922.482.160.32No. 5BA3.20.5943.052.8452.490.355No. 4BA3.60.6638.483.2052.810.395No. 3BA4.10.7334.793.663.220.44No. 2BA4.70.8131.354.2153.730.485No. 1BA5.30.928.224.764.220.54No. 0BA6125.45.44.80655沏锥管螺纹型式和尺寸媲纹代号菇本尺寸 英寸大径mmd=D媒距mm p毎英寸牙 數tpl中径mmd2=D2小径外螺纹d3牙

3、型面度H1R 1/161/16M7.7230.907287.1426.5610.581R 1/81/8 9.7280.907289.1478.5660.581R 1/41/4 13.1571.3371912.30111.4450.856R3/83/8 16.6621.3371915.80614.950.856R 1/21/2 20.9551.8141419.79318.6311.162R 3/43/4 26.4411.8141425.27924.1171.162R 11 33.2492.3091131.7730.2911.479R 1 1/41 1/441.912.3091140.43138.

4、9521.479R 1 1/21 1/2 47.8032.3091146.32444.8451.479R 2259.6142.3091158.13556.6561.479R2 1/22 1/2 75.1842.3091173.70572.2261.479R 3387.8842.3091186.40584.9261.479R 44113.032.30911111 551110.0721.479R 55138.432.30911136.951135.4721.479R 66163.832.30911162.351160.8721.479制惠氏螺纹的型式尺寸英制普迪燻纹（憊氏4累纹）祖彳(BSW)名

5、义尺寸Ww牙空代号大径mmd=DmmP毎英寸牙 数tpi中径mmd2=D2小径 外螺纹d3牙型高H11/16BSW1.5870.423601.3151.050.273/32 -BSW2.3810.529482.0411.7030.3381/8wBSW3.1750.635402.7682.3620.4065/32 -BSW3.9690.793323.4592.9520.5073/16 -BSW4.7621.058244.0843.4070.6777/32 -BSW5.5561.058244.8784.2010.6771/4 ”BSW6.351.27205.5374.7240.8135/16 -B

6、SW7.9381.411187.0346.1310.9043/8”BSW9.5251.588168.5097.4921.0177/16BSW11.1131.814149.9518.7891.1624/2”BSW12.72.1171211.3459.991.3555/8”BSW15.8762.3091114.39712.9181.4793/4”BSW19.0512.541017.42415.7981.6277/8”BSW22.2262.822920.41918.6111.8071MBSW25.43.175823.36821.3352.0331 1/8 ”BSW28 5763.629726 253

7、23.9292.3241 1/4 ”BSW31 7513.629729 42827.1042.3241 3/8 ”BSW34 9264 233632 21529.5052.7111 1/2 ”BSW3&14.233635.39132.682.7111 5/8 ”BSW41 2775.08538 02434.7713.2531 3/4 ”BSW44 4525.08541 19937.9463.2531 7/8 ”BSW47.6275.6454 1/244.01240.3983.6142 ”BSW50.8025.6454 1/247.18743.5733.61421/4 ”BSW57.15

8、26.35453.08649.024.0662 1/2 ”BSW63.5026.35459.43655.374.0662 3/4 -BSW69.8537.2573 1/265.20560.5584.6473MBSW76 2037 2573 1/271 55666.9094.6473 1/4 BSW82.5537.8163 1/477.54872.5445.0053 1/2 ”BSW88.9037.8163 1/483.89978.8945.0053 3/4 ”BSW95.254&467389.83284.415.4224wBSW101.6048.467396 18290 765.422

9、4 1/4 ”BSW107.9548.8352 7/8102.29796.6395.6574 1/2 ”BSW114.3048.8352 7/8108.647102.995.6574 3/4 ”BSW120.6659.2372 3/4114.74108 6255.9155 BSW127.0059,2372 3/4121.09115 1765.9155 1/4MBSW133.3559.6772 5/8127.159120 9636.1965 1/2 ”BSW139.7059.6772 5/8133.509127.3136.1965 3/4 ”BSW146.05510.162 1/2139.549

10、133.0436.5066 “BSW152.40610.162 1/2145.9139.3946.506英制普通螺纹细牙BSF英制普通螺纹（息氏嗾纹）一细牙（BSW）名义尺寸BSF旁型代号大径mmd=DmmP每英寸牙 数tpi中径mm d2=D2小径外螺纹d3牙率高H13/16BSF4.7630.794324.2553.7470.5087/32BSF5.5560.907284.9754.3940.5811/4BSF6.350.977265.7255.10.6259/32BSF7.1420.977266.5185.8930.6255/16BSF7.9381.156227.1996.4590.73

11、93/8BSF9.5251.27208.7127.8990.8137/16BSF11.1131.4111810.2099.3040.9041/2BSF12.71 5881611 68410.6681.0179/16BSF14 2881 5881613 27212.2561.0175/8BSF15 8751,81414 71213.5491.16211/16BSF17.4631.8141416.315.1371.1623/4BSF19.052.1171217.69316.3361.35513/16BSF20.6382.1171219.28117.9241.3557/8BSF22.2252.309

12、1120.74719.2691.4791.00BSF25.42.541023.77422.1481.6271 1/8BSF28.5752.822926.76924.9631.8071 1/4BSF31.752.822929.9442&1381.8071 3/8BSF34 9253.175832 89330.8612.0331 1/2BSF38.13.175836.06834.0362.0331 5/8BSF41 2753.175839 24337.2112.0331 3/4BSF44.453.629742 12639.8022.3242BSF50.83.629748.47646.152

13、2.3242 1/4BSF57.154.234654.4451.732.7112 1/2BSF63.54.234660.7958.082.7112 3/4BSF69.854.234667.1464.432.7113BSF76.25.08572.94669.6923.2533 1/4BSF82.555.08579.29676.0423.2533 1/2BSF88.95.6454 1/285.28581.673.6143 3/4BSF95.255.6454 1/291.63588.023.6144BSF101.65.6454 1/297.98594.373.6144 V4BSF107.956.35

14、4103.88699.8224.066S3。圆柱管螺纹的型式和尺寸Brltis Pipe Thread（克氏涪媒纹）一圆*t (BSPP/BSPF)嫖纹代廿啟木尺寸大径mmd=D螺距mm p毎英寸牙 数tpi中径mm d2=D2小径 外螺紋d3牙型高度H1G 1/81/8 ”9.7280.907289.1478.5660.581G 1/41/4 ”13.1571.3371912.30111.4450.856G 3/83/8 -16.6621.3371915.80614 950.856G 1/21/2 -20.9551.8141419.7931&6311.162G 5/85/8 -22

15、9111.8141421 74920.5871.162G 3/43/4 26 4411 8141425 27924.1171,162G 7/87/8 -30 2011.8141429 03927.8771.162G 11H332492.3091131.7730.2911.479G 1 1/81 1/837.8972.3091136.41834.9391.479G 1 1/41 1/4 -41.912.3091140.43138.9521.479G 1 3/81 3/8 -44.3232.3091142.84441.3651.479G 1 1/21 1/2H47 8032.3091146 324

16、44.8451.479G 1 3/41 3/4”53.7462.3091152.26750.7881.479G 22 -59.6142.3091158/13556.6561.479G 2 1/42 1/4 ”65.712.3091164.23162.7521.479G 2 1/22 1/2H75.1842.3091173.70572.2261.479G 2 3/42 3/4”81.5342.3091180.05578.5761.479G33 -87.8842.3091186.40584.9261.479G 3 1/43 1/41193.982.3091192.50191.0221.479G 3

17、 1/23 1/2100.332.3091198.35197.3721.479G 3 3/43 3/4 -106.682.30911105.201103 7221.479G44 -113.032.30911111.55110 0721.479G 4 1/24 1/2 -125.732.30911124 251122 7721.479G55138.432.30911136 951135 4721.479G 5 1/25 1/2 -151.132.30911149.651148.1721.479G66 -163.832.30911162.351160.8721.479RC2英寸惟管螺纹，毎英寸=2

18、5.4/112.309.牙高（-2.309x0.64即仁47R等于32乘以长发V32慝思是樹勘蹄度是h 16.单边就是I：32是：定就加市效题比如俄定位30有效长度是120R=1/32X （3+12） =0.46875仁密封管集纹（R）英却密刘管加紋的霸木尺寸及其公羞配合方式英制密対管紋有两种配令方式g Ei柱内母紋:与IS權介母紋燈成世棒HE令；E3锥内纹与鈕徒外熬纹纟 畋洲31家主要采用而欧洲以外国家则主要釆用喘號咆合*B紋厕种蛛仗的枪鲨最規存 编辑本段密封笛螺纹的标记英剖密封腎螺奴的完歿标记由氯纹特征代号、螺纹尺寸代号和旋向代号统成.英側密対凹柱为嵋紋的待筮代号为，RP：英劎密封K）徒内

19、螺纹的特征代号为：RC：英制密封図惟外Ml纹的转征代号为I R1（与英制密封国拄内揣纹配合使用！R2（与英制噬封8D4t内嫖紋配合使用）左夷螺牧的推向代号为LH右更蜒坟的壊向代号省略不标对密封慘纭 利用RWR1, RC/R2分别农示壮雌”和魅脸M纹矶英制非密封管的基本尺寸及梵极限馆羡标砂英制非密封恃嫖坟的完整标记由蜂纹转征代号.n紋尺寸代号.中径公差零级代号和旋向代号组 fift 英制非密封冈柱代号为，0刘英创非密封柱内蜒纹， 其中径公差等圾代号省略不标I而英制爷岂封B1柱外嫖仪的中径公尺等级代电 左煞煤紋的境向代号为 5 右竝媒坟的诙向代号省略不尿当表示莢佩非密封管煤咬的魚纹仅标注外1纹的标记代号示伽尺寸代号为劭右it非密対豪柱内02尺寸代号为3ffA&.右非密封18柱外G3A尺寸代号为锄翹，左島非ffiMIfil柱外St：G4B4H尺寸代号为绚右胎非密封柱内嫖紋与A级Si柱外螺紋组成的第纹测G2A加工内孔螺蚊的長管H纹丝樓加工外螺纹的有板牙.其他*55啊ft管SRfit的转化55枫惟管织纹，*纹的牙型舸为55、嫖纹具有仏WjWat.该系死