丝攻配钻头对照表
丝锥与钻头的使用参数_图文(精)
丝锥和钻头的使用参数表一、螺紋下孔徑表
1、公制粗牙螺紋 JIS B 0209-1982(單位:mm 註 (1M1.4以下等級:5H 、 M1.6以上等級:6H (2基於 JIS B 0209-1982標準
2、公制細牙螺紋
、公制細牙螺紋-01
-01JIS B 0211-1982(單位:mm
註 (1等級:6H
(2基於 JIS B 0211-1982標準3、美制粗牙螺紋 (單位:mm
4、美制細牙螺紋 (單位:mm
5、英制粗牙螺紋 (單位:mm
6、英制管用螺紋 (單位:mm
7、美制管用耐密斜行螺紋 (NPTF‧ NPSF (單位:mm
8、公制螺紋 (NRT(單位:mm
二、螺紋下孔徑表
二、螺紋下孔徑表((無屑絲攻用 1、美制細牙螺紋 (NRT(單位:mm
2、英制管用平行螺紋 (NRT(單位:mm
3、公制螺紋 (HRT(單位:mm
4、公制粗牙螺紋 HL-NRT (單位:mm 三、螺紋下孔徑表
三、螺紋下孔徑表((護套螺紋用 1、公制粗牙螺紋 (單位:mm
3、美制粗牙螺紋 (單位:mm
各種換算表美制螺絲外徑公厘 (mm換算表。
钻头丝锥配比表风机旋向
丝锥和钻头的参数对照表骆驼发表于2009-03-04 21:23 | 来源：| 阅读920 views 公制粗牙螺紋JIS B 0209-1982(單位：mm)螺纹尺寸鑽頭直徑崁合度區分：中2級下孔徑崁合度區分：中2級內螺紋小徑最小直徑最大直徑M 1 × 0.25 0.75 0.78 (80%) 0.729 0.785 1.1 × 0.25 0.85 0.88 (80%) 0.829 0.885 1.2 × 0.25 0.95 0.98 (80%) 0.929 0.985 1.4 × 0.3 1.1 1.14 (80%) 1.075 1.142 1.6 × 0.35 1.25 1.32 (75%) 1.221 1.3211.8 × 0.35 1.45 1.52 (75%) 1.421 1.5212 × 0.4 1.6 1.65 (80%) 1.567 1.679 2.2 × 0.45 1.75 1.83 (75%) 1.713 1.8382.5 × 0.45 2.1 2.13 (75%) 2.013 2.1383 × 0.5 2.5 2.59 (75%) 2.459 2.5993.5 × 0.6 2.9 3.01 (75%) 2.850 3.0104 × 0.7 3.3 3.39 (80%) 3.242 3.4224.5 × 0.75 3.8 3.85 (80%) 3.688 3.8785 × 0.8 4.2 4.31 (80%) 4.134 4.3346 × 1 5 5.13 (80%) 4.917 5.1537 × 1 6 6.13 (80%) 5.917 6.1538 × 1.25 6.8 6.85 (85%) 6.647 6.9129 × 1.25 7.8 7.85 (85%) 7.647 7.91210 × 1.5 8.5 8.62 (85%) 8.376 8.67611 × 1.5 9.5 9.62 (85%) 9.376 9.67612 × 1.75 10.3 10.40 (85%) 10.106 10.441 14 × 2 12 12.2 (85%) 11.835 12.210 16 × 2 14 14.2 (85%) 13.835 14.210 18 × 2.5 15.5 15.7 (85%) 15.294 15.744 20 × 2.5 17.5 17.7 (85%) 17.294 17.744 22 × 2.5 19.5 19.2 (85%) 19.294 19.744 24 × 3 21 21.2 (85%) 20.752 21.252 27 × 3 24 24.2 (85%) 23.752 24.252 30 × 3.5 26.5 26.6 (90%) 26.211 26.771 33 × 3.5 29.5 29.6 (90%) 29.211 29.771 36 × 4 32 32.1 (90%) 31.670 32.270 39 × 4 35 35.1 (90%) 34.670 35.270 42 × 4.5 37.5 37.6 (90%) 37.129 37.799 45 × 4.5 40.5 40.6 (90%) 40.129 40.799 48 × 5 43 43.1 (90%) 42.587 43.297註(1)M1.4以下等級：5H、M1.6以上等級：6H(2)基於JIS B 0209-1982標準GB1971的规定电机旋向：如果只有一个轴伸，或不同直径的两个轴伸，从轴伸端看（对两个轴伸的看大直径端）；如果有两个相同直径轴伸的，或者没有轴伸，则从有换向器或滑环端看；如果一端有换向器而另一端有滑环，则从滑环端看。
螺丝攻牙钻孔径和滚造径对照表
精度等级 G4－G6 G7－G8 G9
0.86 0.88 0.96 0.98 1.06 1.08 1.24 1.25 1.41 1.43 1.51 1.53 1.61 1.63 1.78 1.80 1.95 1.98 2.08 2.10 2.25 2.28 2.35 2.38 2.73 2.75 3.17 3.20 3.62 3.65 3.69 4.56 4.60 4.64 5.45 5.50 5.55 6.45 6.50 6.55 7.31 7.38 7.44 9.18 9.25 9.32 9.31 9.38 9.44 11.04 11.12 11.21 11.31 11.38 11.44
公制粗螺纹
公制细螺纹
无沟丝攻钻孔径
英制螺纹
美制粗螺纹
规格
标准径
2级牙钻孔径 最大 最小
规格
标准径
M1.0×0.25 M1.1×0.25 M1.2×0.25 M1.4×0.30 M1.6×0.35 M1.7×0.35 M1.8×0.35 M2.0×0.40 M2.2×0.45 M2.3×0.40
0.75 0.85 0.95 1.10 1.25 1.35 1.45 1.60 1.75 1.90
0.785 0.885 0.985 1.142 1.321 1.421 1.521 1.679 1.838 1.979
0.729 0.829 0.929 1.075 1.221 1.321 1.421 1.567 1.713 1.867
M12×1.00 M12×0.50 M14×1.50 M14×1.00 M15×1.50 M15×1.00 M16×1.50 M16×1.00 M17×1.50 M17×1.00
28.210 27.835
螺丝攻牙孔径对照表
最大最小最大最小G4-G6G7-G8G9G4-G6G7-G8硬 材软 材M1.0*0.250.750.7850.729M12*1.011.0011.15310.917M1.0*0.250.860.88No.2-56UNC 1.94 2.65 2.60M1.1*0.250.850.8850.829M12*0.511.5011.52011.400M1.1*0.250.960.98No.3-48 2.23 3.25 3.20M1.2*0.250.950.9850.929M14*1.512.5012.67612.376M1.2*0.25 1.06 1.08No.4-40 2.50 3.75 3.70M1.4*0.31.10 1.142 1.075M14*1.013.0013.15312.917M1.4*0.3 1.24 1.25No.5-40 2.83 5.10 5.00M1.6*0.351.25 1.321 1.221M15*1.513.5013.67613.376M1.6*0.35 1.41 1.43No.6-32 3.07 6.60 6.50M1.7*0.351.35 1.421 1.321M15*1.014.0014.15313.917M1.7*0.35 1.51 1.53No.8-32 3.73 3.778.007.90M1.8*0.351.45 1.521 1.421M16*1.514.5014.67614.376M1.8*0.35 1.61 1.63No.10-24 4.24 4.309.409.30M2.0*0.41.60 1.679 1.567M16*1.015.0015.15314.917M2*0.4 1.78 1.80No.12-24 4.90 4.9610.7010.50M2.2*0.451.75 1.838 1.713M17*1.515.5015.67615.376M2.2*0.45 1.95 1.981/4 -20 5.7212.3012.00M2.3*0.41.90 1.979 1.867M17*1.016.0016.15315.917M2.3*0.4 2.08 2.105/16 -187.2413.7013.50M2.5*0.452.10 2.138 2.013M18*2.016.0016.21015.835M2.5*0.45 2.25 2.283/8 -168.7416.7016.50M2.6*0.452.20 2.238 2.113M18*1.516.5016.67616.376M2.6*0.45 2.35 2.387/16 -1410.2019.5019.30M3.0*0.52.50 2.599 2.459M18*1.017.0017.15316.917M3.0*0.5 2.73 2.751/2 -1311.2722.4022.00M3.0*0.62.40 2.440 2.280M20*2.018.0018.21017.835M3.5*0.6 3.17 3.20No.2-64UNF 1.9725.0024.80M3.5*0.62.903.010 2.850M20*1.518.5018.67618.376M4.0*0.7 3.62 3.65 3.69No.3-56 2.2728.3028.00M4.0*0.73.30 3.422 3.242M20*1.019.0019.15318.917M5.0*0.84.56 4.60 4.64No.4-48 2.56M4.0*0.753.25 3.326 3.106M22*2.020.0020.21019.835M6.0*1.0 5.45 5.50 5.55No.5-44 2.86M4.5*0.753.80 3.878 3.688M22*1.520.5020.67620.376M7.0*1.0 6.45 6.50 6.55No.6-40 3.16M5.0*0.84.20 4.334 4.134M22*1.021.0021.15320.917M8.0*1.257.317.387.44No.8-36 3.78M5.0*0.94.10 4.170 3.930M24*2.022.0022.21021.835M10*1.59.189.259.32No.10-32 4.39 4.43M6.0*1.05.00 5.153 4.917M24*1.522.5022.67622.376M10*1.259.319.389.44No.12-28 4.99 5.04SM1/8 -40M7.0*1.06.00 6.153 5.917M24*1.023.0023.15322.917M12*1.7511.0411.1211.211/4 -28 5.85 5.90SM1/8 -44M8.0*1.256.80 6.912 6.647M25*2.023.0023.21022.835M12*1.2511.3111.3811.445/16 -247.367.41SM9/64 -40M9.0*1.257.807.9127.647M25*1.523.5023.67623.3763/8 -249.00SM11/64-40M10*1.58.508.6768.376M25*1.024.0024.15323.9177/16 -2010.48SM3/16 -32M11*1.59.509.6769.376M26*1.524.5024.67624.3761/2 -2012.07SM3/16 -28M12*1.7510.3010.44110.106M27*2.025.0025.21024.835SM7/32 -32M14*2.012.0012.21011.835M27*1.525.5025.67625.376SM15/64-28M16*2.014.0014.21013.835M27*1.026.0026.15325.917SM1/4 -40M18*2.515.5015.74415.294M28*2.026.0026.21025.835SM1/4 -28M20*2.517.5017.74417.294M28*1.526.5026.67626.376SM9/32 -28M22*2.519.5019.74419.294M28*1.027.0027.15326.917规格最大SM11/32-28M24*3.021.0021.25220.752M30*3.027.0027.25226.752(UNC)最大最小PS 1/16 - 28 6.50 6.632SM3/8 -28M27*3.024.0024.25223.752M30*2.028.0028.21027.835 (螺丝牙外径)PS 1/8 - 288.508.637SM7/16 -28M30*3.526.5026.77126.211M30*1.528.5028.67628.376No.1-64(1.854) 1.55 1.582 1.425PS 1/4 - 1911.4011.549M30*1.029.0029.15328.917No.2-56(2.184) 1.80 1.871 1.695PS 3/8 - 1915.0015.054M32*2.030.0030.21029.835No.3-48(2.515) 2.10 2.146 1.941PS 1/2 - 1418.5018.773M32*1.530.5030.67630.376No.4-40(2.845) 2.30 2.385 2.157PS 3/4 - 1424.0024.259M33*3.030.0030.25229.752No.5-40(3.175) 2.60 2.697 2.487PS 1 - 1130.2030.471M33*2.031.0031.21030.835No.6-32(3.505) 2.80 2.895 2.642PS 1-1/4 - 1138.8039.132最大最小M33*1.531.5031.67631.376No.8-32(4.166) 3.40 3.53 3.302PS 1-1/2 - 1144.8045.025M1.0*0.20.800.8210.783M35*1.533.5033.67633.376No.10-24(4.826) 3.90 3.962 3.683PS 2 - 1156.5056.836M1.1*0.20.900.9210.883M36*3.033.0033.25232.752No.12-24(5.486) 4.50 4.597 4.344M1.2*0.2 1.00 1.0210.983M36*2.034.0034.21033.8351/4 - 20 5.10 5.257 4.979M1.4*0.2 1.20 1.221 1.183M36*1.534.5034.67634.3765/16 - 18 6.60 6.731 6.401M1.6*0.2 1.40 1.421 1.3833/8 - 168.008.1537.798M1.7*0.2 1.45 1.500 1.4607/16 - 149.409.559.144M1.8*0.2 1.60 1.621 1.5831/2 - 1310.8011.02310.592使用绞刀时不用绞刀时M2.0*0.25 1.75 1.785 1.7299/16 - 1212.2012.44611.989PT 1/16 -28 6.10 6.20 6.244 6.384M2.2*0.25 1.95 1.985 1.929规格5/8 - 1113.6012.86813.386PT 1/8 -288.108.208.4298.388M2.3*0.25 2.05 2.061 2.001(UNF)最大最小3/4 - 1016.5018.8416.307PT 1/4 -1910.7011.0010.96211.174M2.5*0.35 2.20 2.221 2.1217/8 - 919.5019.76119.177PT 3/8 -1914.2014.5014.44814.658M2.6*0.35 2.20 2.246 2.186No.0-80(1.524) 1.25 1.305 1.182 1 - 822.2022.60621.971PT 1/2 -1417.6018.0017.97918.263M3.0*0.35 2.70 2.721 2.621No.1-72(1.854) 1.55 1.612 1.4741-1/8 - 725.0025.34924.638PT 3/4 -1423.0023.5023.37823.663M3.5*0.35 3.20 3.221 3.121No.2-64(2.184) 1.85 1.912 1.7561-1/4 - 728.2028.52427.813PT 1 -1129.0029.5029.45929.822M4.0*0.5 3.50 3.599 3.459No.3-56(2.515) 2.10 2.197 2.0251-3/8 - 630.8031.11530.353PT 1-1/4 -1137.5038.0037.97638.339M4.5*0.5 4.00 4.099 3.959No.4-48(2.845) 2.40 2.458 2.2711-1/2 - 634.0034.2933.528PT 1-1/2 -1143.4044.0043.86944.232M5.0*0.5 4.50 4.599 4.459No.5-44(3.175) 2.70 2.74 2.5511-3/4 - 539.5039.82738.964PT 2 -1154.9055.5055.41255.844M5.5*0.55.00 5.099 4.959No.6-40(3.505) 2.90 3.022 2.82 2 - 4-1/245.2045.59344.679M6.0*0.755.30 5.378 5.188No.8-36(4.166) 3.50 3.606 3.404M6.0*0.55.50 5.550 5.400No.10-32(4.826) 4.10 4.165 3.963M7.0*0.756.30 6.378 6.188No.12-28(5.846) 4.60 4.724 4.496M7.0*0.56.50 6.550 6.4001/4 - 28 5.50 5.588 5.36M8.0*1.07.007.153 6.9175/16 - 24 6.907.035 6.782规格M8.0*0.757.307.3787.1883/8 - 248.508.6368.382(UNEF)最大最小使用绞刀时不用绞刀时M8.0*0.57.507.5207.4007/16 - 209.9010.0339.729No.12 - 32 4.70 4.826 4.6231/16 - 27 6.10 6.25M9.0*1.08.008.1537.9171/2 - 2011.5011.60711.3291/4 - 32 5.60 5.69 5.4861/8 -278.338.43M9.0*0.758.308.3788.1889/16 - 1812.9013.08112.7515/16 - 327.107.2647.0871/4 -1810.7211.13M10*1.258.808.9128.4675/8 - 1814.5014.68114.3513/8 - 328.708.8658.6613/8 -1814.2714.27M10*1.09.009.1538.9173/4 - 1617.5017.67817.3237/16 - 2810.2010.33810.1351/2 -1417.4817.86M10*0.759.309.3789.1887/8 - 1420.5020.67520.271/2 - 2811.8011.93811.7093/4 -1422.6323.01M10*0.59.509.5209.400 1 - 1223.2023.57123.1149/16 - 2413.2013.38613.132 1 -11-1/228.5828.98M11*1.010.0010.1539.9171-1/8 - 1226.5026.74626.2895/8 - 2414.8014.98614.7321-1/4 -11-1/237.3137.69M11*0.7510.3010.37810.1881-1/4 - 1229.5029.92129.4643/4 - 2017.8017.95817.6781-1/2 -11-1/243.6644.04M12*1.510.5010.67610.3761-3/8 - 1232.8033.09632.6397/8 - 2021.0021.13320.853 2 -11-1/255.5855.96M12*1.2510.8010.91210.6471-1/2 - 1236.0036.27135.814 1 - 2024.0024.30824.028螺 纹 攻 牙 钻 孔 径 和 滚 造 径 对 照 表本表所推选之钻头孔径，是针对攻牙加工时，能够很容易的了解钻孔直径；而依据市售之标准钻头所选定的。
非常全的攻丝钻孔直径表.docx
螺纹底孔直径一、螺纹底孔直径计算式螺纹底孔直径可参照表1、表2的公式计算，也可查表3至表11。
表2加工英制螺纹底孔钻头直径的计算公式-2 •、螺纹底孔直径表表3米制粗牙螺纹攻丝前用的钻头直径（mm）-3 •表4米制细牙螺纹攻丝前用的钻头直径（mm）-4 •E、S、W攻丝前用的钻头直径(mm)钻头直径公称直径 (英寸)每英寸牙数铸铁、青铜、黄铜钢、可锻铸铁3/16 24 3.8 3.91/4 20 5.1 5.25/16 18 6.6 6.73/8 16 8.0 8.11/2 12 10.6 10.75/8 11 13.6 13.83/4 10 16.6 16.87/8 9 19.6 19.71 8 22.3 22.51 1/8 7 25.0 25.21 1/4 7 28.2 28.41 1/2 6 34.0 34.21 3/4 5 39.5 39.72 4 1/2 45.3 45.6• 5 •表6英寸制统一粗牙螺纹UNC攻丝前用的钻头直径（mm）-6 •表7英寸制统一细牙螺纹UNF攻丝前用的钻头直径（mm）-7 •表8 GB7307-87 ISO228/1-1982 非螺纹密封的管螺纹攻丝前用的钻头直径（mm）• 8 •表9 GB7306-87 ISO7/1-1982 用螺纹密封的管螺纹攻丝前用的钻头直径（mm）-9 •表10美标（NPT、NPSC管螺纹底孔推荐的麻花钻直径（英寸）•10 •表11美标(NPTF NPSI)干密封管螺纹底孔推荐的麻花钻直径(英寸)注寸。