螺丝攻牙钻孔径和滚造径对照表.xls

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1、螺螺丝丝攻攻牙牙钻钻孔孔径径和和滚滚造造径径对对照照表表 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；而依抿市售之标准钻头所选定的，在使用钻头的情况下，由于钻头的形状及尺寸、精度、被钻孔之材质等，对于所钻孔的尺寸、 精度有很大的影响，所以使用本表之钻孔径，若有不当之处，应视实际壮况适当的变更钻头直径，本表是依据2级牙 公公 制制 粗粗 螺螺 纹纹公公 制制 细细 螺螺 纹纹公公制制迫迫牙牙丝丝攻攻钻钻孔孔径径美美制制迫迫牙牙丝丝攻攻钻钻孔孔径径 规规格格标标准准径径 2级级牙牙钻钻孔孔径径 规规格格标标准准径径 2级级牙牙钻钻孔孔径径 规规格格 精精 度度 等等 级级 规

2、规格格 最最大大最最小小最最大大最最小小G4-G6G7-G8G9 M1.0*0.250.750.7850.729M12*1.011.0011.15310.917M1.0*0.250.860.88-No 2 - 56UNC M1.1*0.250.850.8850.829M12*0.511.5011.52011.400M1.1*0.250.960.98-No 3 - 48 M1.2*0.250.950.9850.929M14*1.512.5012.67612.376M1.2*0.251.061.08-No 4 - 40 M1.4*0.301.001.1421.075M14*1.013.0013.1

3、5312.917M1.4*0.301.241.25-No 5 - 40 M1.6*0.351.251.3211.221M15*1.513.5013.67613.376M1.6*0.351.411.43-No 6 - 32 M1.7*0.351.351.4211.321M15*1.014.0014.15313.917M1.7*0.351.511.53-No 8 - 32 M1.8*0.351.451.5211.421M16.1.514.5014.67614.376M1.8*0.351.611.63-No10 - 24 M2.0*0.401.601.6791.567M16*1.015.0015.1

4、5314.917M2.0*0.401.781.80-No12 - 24 M2.2*0.451.751.8381.713M17*1.515.5015.67615.376M2.2*0.451.951.98-1/4 - 20 M2.3*0.401.901.9791.867M17*1.016.0016.15315.917M2.3*0.402.082.10-5/16 - 18 M2.5*0.452.102.1382.013M18*2.016.0016.21015.835M2.5*0.452.252.28-3/8 - 16 M2.6*0.452.202.2382.113M18*1.516.5016.676

5、16.976M2.6*0.452.352.38-7/16 - 14 M3.0*0.502.502.5992.459M18*1.017.0017.15316.917M3.0*0.502.732.75-1/2 - 13 M3.0*0.602.402.4402.280M20*2.018.0018.21017.835M3.5*0.603.173.20-No 2 - 64UNF M3.5*0.602.903.0102.850M20*1.518.5018.67618.376M4.0*0.703.623.653.69No 3 - 56 M4.0*0.703.303.4223.242M20*1.019.001

6、9.15318.917M5.0*0.804.564.604.64No 4 - 48 M4.0*0.753.253.3263.106M22*2.020.0020.21019.835M6.0*1.005.455.505.55No 5 - 44 M4.5*0.753.803.8783.688M22*1.520.5020.67620.376M7.0*1.006.456.506.55No 6 - 40 M5.0*0.804.204.3344.134M22*1.021.0021.15320.917M8.0*1.257.317.387.44No 8 - 36 M5.0*0.904.104.1703.930M

7、24*2.022.0022.21021.835M10*1.509.189.259.32No 10- 32 M6.0*1.005.005.1534.917M24*1.522.5022.67622.376M10*1.259.319.389.44No 12 -28 M7.0*1.006.006.1535.917M24*1.023.0023.15322.917M12*1.7511.0411.1211.211/4 -28 M8.0*1.256.806.9126.647M25*2.023.0023.21022.835M12*1.2511.3111.3811.445/16 -24 M9.0*1.257.80

8、7.9127.647M25*1.523.5023.67623.376 注:迫牙丝攻之钻孔径,在上表所列之数值,由 于被加工材料之材质,硬度,形状,尺寸等之影 响,多少会有所变动,因此于参考上表之同时, 亦精增减若干。 3/8 -24 M10*1.508.508.6768.376M25*1.024.0024.15323.9177/16 -20 M11*1.509.509.6769.376M26*1.524.5024.67624.3761/2 -20 M12*1.7510.3010.44110.160M27*2.025.0025.21024.835 M14*2.0012.0012.21011.83

9、5M27*1.525.5025.67625.376 M16*2.0014.0014.21013.835M27*1.026.0026.15325.917 英英 制制 管管 螺螺 纹纹 M18*2.5015.5015.74415.294M28*2.026.0026.21025.835 美美 制制 粗粗 螺螺 纹纹 M20*2.5017.5017.74417.294M28*1.526.5026.67626.376 规规格格 M22*2.5019.5019.74419.294M28*1.027.0027.15326.917 规规格格(UNC)标标准准径径 2级级牙牙钻钻孔孔径径 M24*3.0021.

10、0021.25220.752M30*3.027.0027.15226.752最最大大最最小小PS 1/16 - 28 M27*3.0024.0024.25223.752M30*2.028.0028.21027.835No 1-64(1.854)1.551.5821.425PS 1/8 - 28 M30*3.5026.5026.77126.211M30*1.528.5028.67628.376No 2-56(2.184)1.801.8711.695PS 1/4 - 19 公公 制制 细细 螺螺 纹纹 M30*1.029.0029.15328.917No 3-48(2.515)2.102.1461

11、.941PS 3/8 - 19 M32*2.030.0030.21029.835No 4-40(2.845)2.302.3852.157PS 1/2 - 14 规规格格标标准准率率 2级级牙牙钻钻孔孔径径M32*1.530.5030.67630.376No 5-40(3.175)2.602.6972.487PS 3/4 - 14 最最大大最最小小M33*1.030.0030.25229.752No 6-32(3.505)2.802.8952.642PS 1 - 11 M1.0*0.20.800.8210.783M33*2.031.0031.21030.835No 8-32(4.166)3.40

12、3.5303.302PS 1-1/4 - 11 M1.1*0.20.900.9210.883M33*1.531.5031.67631.376No 10-24(4.826)3.903.9623.683PS 1-1/2 - 11 M1.2*0.21.001.0210.983M35*1.533.5033.67633.376No 12-24(5.486)4.504.5974.344PS 2 - 11 M1.4*0.21.201.2211.183M36*3.033.0033.25232.752 1/4 - 205.105.2574.979 M1.6*0.21.401.4211.383M36*2.034.

13、0034.21033.835 5/16 - 186.606.7316.401 M1.7*0.21.451.5001.460M36*1.534.5034.67634.376 3/8 - 168.008.1537.798 英英 制制 管管 螺螺 纹纹M1.8*0.21.601.6211.583 7/16 - 149.409.5509.144 M2.0*0.251.751.7851.729 美美 制制 细细 螺螺 纹纹 1/2 - 1310.8011.02310.592 规规格格 M2.2*0.251.951.9851.929 9/16 - 1212.2012.44611.989 M2.3*0.25

14、2.052.6102.001 规规格格(UNF)标标准准径径 2级级牙牙钻钻孔孔径径 5/8 - 1113.6012.86813.386PT 1/16 - 28 M2.5*0.352.202.2212.121最最大大最最小小 3/4 - 1016.5018.84016.307PT 1/8 - 28 M2.6*0.352.202.2462.186No 0-80(1.524)1.251.3051.182 7/8 - 919.5019.76119.177PT 1/4 - 19 M3.0*0.352.702.7212.621No 1-72(1.854)1.551.6121.474 1 - 822.20

15、22.60621.971PT 3/8 - 19 M3.5*0.353.203.2213.121No 2-64(2.184)1.851.9121.756 1-1/8 - 725.0025.34924.638PT 1/2 - 14 M4.0*0.53.503.5993.459No 3-58(2.515)2.102.1972.025 1-1/4 - 728.2028.52427.813PT 3/4 - 14 M4.5*0.54.004.0993.959No 4-48(2.845)2.402.4582.271 1-3/8 - 630.8031.11530.353PT 1 - 11 M5.0*0.54.

16、504.5994.459No 5-44(3.175)2.702.7402.551 1-1/2 - 634.0034.29033.528PT 1-1/4 - 11 M5.5*0.55.005.0994.959No 6-40(3.506)2.903.0222.820 1-3/4 - 539.5039.82738.964PT 1-1/2 - 11 M6.0*0.755.305.3785.188No 8-36(4.166)3.503.6063.4042 - 4-1/245.2045.59344.679PT 2 - 11 M6.0*0.55.505.5505.400No 10-32(4.826)4.10

17、4.1653.963 M7.0*0.756.306.3786.188No 12-28(5.846)4.604.7244.496 美美 制制 特特 细细 螺螺 纹纹英英 制制 管管 螺螺 纹纹 M7.0*0.56.506.5506.4001/4 - 285.505.5885.360 M8.0*1.07.007.1536.9175/16 - 246.907.0356.782 规规格格(UNC)标标准准径径 2级级牙牙钻钻孔孔径径 规规格格 M8.0*0.757.307.3787.1883/8 - 248.508.6368.382最最大大最最小小 M8.0*0.57.507.5207.4007/16

18、 - 209.9010.0339.729No 12 - 324.7004.8264.623 M9.0*1.08.008.1537.9171/2 - 2011.5011.60711.3291/4 - 325.6005.6905.4861/16 - 27 M9.0*0.758.308.3788.1889/16 - 1812.9013.08112.7515/16 - 327.1007.2647.0871/8 - 27 M10*1.258.808.9128.6475/8 - 1814.5014.68114.3513/8 - 328.7008.8658.6611/4 -18 M10*1.09.009.1

19、538.9173/4 - 1617.5017.67817.3237/16 - 2810.20010.33810.1353/8 -18 M10*0.759.309.3789.1887/8 - 1420.5020.57520.2701/2 - 2811.80011.93811.7091/2 -14 M10*0.59.509.5209.4001 - 1223.2023.57123.1149/16 - 2413.20013.38613.1323/4 -14 M11*1.010.0010.1538.9171-1/8 - 1226.5026.74626.2895/8 - 2414.80014.98614.

20、7321 -11-1/2 M11*0.7510.3010.37810.1881-1/4 - 1229.5029.92129.4643/4 - 2017.80017.95817.6781-1/4-11-1/2 M12*1.5010.5010.67610.3761-3/8 - 1232.8033.09632.6397/8 - 2021.00021.13320.8531-1/2-11-1/2 M12*1.2510.8010.91210.6471-1/2 - 1236.0036.27135.8141 - 2024.00024.30824.0282 -11-1/2 螺螺丝丝攻攻牙牙钻钻孔孔径径和和滚滚造

21、造径径对对照照表表 英英 制制 螺螺 纹纹 精精 度度 等等 级级 规规格格 钻孔径 G4-G6G7-G8G9硬材软材 1.94-W1/8 - 402.652.60 2.23-W5/32 - 323.253.20 2.50-W3/16 - 243.753.70 2.83-W1/4 - 205.105.00 3.07-W5/16 - 18 6.606.50 3.733.77-W3/8 - 168.007.90 4.244.30-W7/16 - 149.409.30 4.904.96-W1/2 - 1210.7010.50 -5.72-W9/16 - 1212.3012.00 -7.24-W5/8

22、 - 1113.7012.50 -8.748.81W3/4 - 1016.7013.50 -10.2010.30W7/8 - 919.5016.50 -11.2711.82W1 - 822.4019.30 1.97-W1-1/8 - 725.0024.80 2.27-W1-1/4 - 728.3028.00 2.56- 2.66- 3.16- 针针车车用用螺螺纹纹 3.78- 4.394.43- 规规格格滚滚造造径径 4.995.04- 5.855.90-SM1/8 - 402.735 - 2.688 7.367.41-SM1/8 - 442.769 - 2.722 -9.00-SM9/64

23、- 403.128 - 3.083 -10.4810.54SM11/64 - 403.855 - 3.805 -12.0712.13SM3/16 - 324.205 - 4.155 SM3/16 - 284.143 - 4.093 SM7/32 - 325.003 - 4.955 SM15/64 - 285.325 - 5.570 SM1/4 - 405.890 - 5.735 标标准准径径 钻钻孔孔径径SM1/4 - 285.721 - 5.366 最最大大最最小小SM9/32 - 286.508 - 5.648 6.506.6326.490SM11/32 - 288.092 - 8.432

24、 8.508.6378.495SM3/8 - 288.880 - 8.015 11.4011.54911.341SM7/16 - 2810.466 - 10.401 15.0015.05414.846SM7/16 - 1610.037 - 9.967 18.5018.77318.489SM1/2 - 2011.819 - 11.749 24.0024.25923.975SM9/16 - 2013.400 - 13.425 30.2030.47130.111 38.8039.13238.772 44.8045.02544.665 公公制制螺螺纹纹 56.5056.83656.476 规规格格滚滚

25、造造径径 M3*0.52.63 - 2.60 M3.0*0.62.56 - 2.50 标标准准径径 有效牙部之长度（最 小）中之毋螺牙内径 标准长度（最小）中 之毋螺牙内径 M3.5*0.63.06 - 3.03 使用绞刀时不使用绞刀时M4.0*0.73.49 - 3.45 6.106.206.2446.384M4.0*0.753.45 - 3.41 8.108.208.2498.388M4.5*.753.96 - 3.92 10.7011.0010.96211.174M5.0*0.84.43 - 4.38 14.2014.5014.44814.658M5.0*0.94.36 - 4.31 1

26、7.6018.0017.97918.263M6.0*1.05.30 - 5.25 23.0023.5023.37823.663M7.0*1.06.30 - 6.25 29.0029.5029.45929.822M8.0*1.07.28 - 7.23 37.5038.0037.97638.339M8.0*1.257.12 - 7.07 43.4044.0043.86944.232 54.9055.5055.41255.844 英英制制电电器器螺螺纹纹 钻钻孔孔径径 规规格格钻钻孔孔径径 NPT NPS 使用绞刀时不使用绞刀时2BA4.0 - 4.2 6.106.256.353BA 8.338.4

27、38.744BA3.0 - 3.2 10.7211.1311.135BA2.7 - 2.8 14.2714.2714.686BA2.4 - 2.5 17.4817.8618.26 22.6323.0123.42 28.5828.9829.36 37.3137.6938.10 43.6644.0444.45 55.5855.9656.36 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；而依抿市售之标准钻头所选定的，在使用钻头的情况下，由于钻头的形状及尺寸、精度、被钻孔之材质等，对于所钻孔的尺寸、 美美制制迫迫牙牙丝丝攻攻钻钻孔孔径径 英英 制制 管管 螺螺 纹纹 英英 制制 管管 螺螺 纹纹 英英 制制 管管 螺螺 纹纹