螺纹攻牙-钻孔直径对照表

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螺纹攻牙-钻孔直径对照表

最小
6.490 8.495 11.341 14.846 18.489 23.975 30.111 38.772 44.665 56.476
SM9/32 - 28 SM11/32 - 28 SM3/8 - 28
公制细螺纹
规格
M1.0*0.2 M1.1*0.2 M1.2*0.2 M1.4*0.2 M1.6*0.2 M1.7*0.2 M1.8*0.2 M2.0*0.25 M2.2*0.25 M2.3*0.25 M2.5*0.35 M2.6*0.35 M3.0*0.35 M3.5*0.35 M4.0*0.5 M4.5*0.5 M5.0*0.5 M5.5*0.5 M6.0*0.75 M6.0*0.5 M7.0*0.75 M7.0*0.5 M8.0*1.0 M8.0*0.75 M8.0*0.5 M9.0*1.0 M9.0*0.75 M10*1.25 M10*1.0 M10*0.75 M10*0.5 M11*1.0 M11*0.75 M12*1.5 M12*1.25
G7-G8
0.88 0.98 1.08 1.25 1.43 1.53 1.63 1.80 1.98 2.10 2.28 2.38 2.75 3.20 3.65 4.60 5.50 6.50 7.38 9.25 9.38 11.12 11.38
G9
螺孔小径.. .. .. .. .. .. .. .. .. .. .. .. .. .. 3.69 4.64 5.55 6.55 7.44 9.32 9.44 11.21 11.44
公制迫牙丝攻钻孔径(挤压丝锥)
规格
M1.0*0.25 M1.1*0.25 M1.2*0.25 M1.4*0.3 M1.6*0.35 M1.7*0.35 M1.8*0.35 M2.0*0.4 M2.2*0.45 M2.3*0.4 M2.5*0.45 M2.6*0.45 M3.0*0.5 M3.5*0.6 M4.0*0.7 M5.0*0.8 M6.0*1.0 M7.0*1.0 M8.0*1.25 M10*1.5 M10*1.25 M12*1.75 M12*1.25

螺纹攻牙-钻孔直径对照表

36.00 36.271 35.814
公制迫牙丝攻钻孔径(挤压丝锥)
规格
精度等级
G1-G6 G7-G8
G9
M1.0*0.25
0.86 0.88 螺孔小径..
M1.1*0.25
0.96 0.98
..
M1.2*0.251.06源自1.08..M1.4*0.3
1.24 1.25
..
M1.6*0.35
1.41 1.43
M27*1.0
26.00 26.153 25.917
M18*2.5 15.50 15.744 15.294
M28*2.0
26.00 26.210 25.835
M20*2.5 17.50 17.744 17.294
M28*1.5
26.50 26.676 26.376
M22*2.5 19.50 19.744 19.294
M33*3.0
30.00 30.252 29.752
M1.1*0.2 0.90 0.921 0.883
M33*2.0
31.00 31.210 30.835
M1.2*0.2 1.00 1.021 0.983
M33*1.5
31.50 31.676 31.376
M1.4*0.2 1.20 1.221 1.183
M5.5*0.5 5.00 5.099 4.959 NO.6-40(3.505) 2.90 3.022 2.820
M6.0*0.75 5.30 5.378 5.188 NO.8-36(4.166) 3.50 3.606 3.404
M6.0*0.5 5.50 5.550 5.400 NO.10-32(4.826) 4.10 4.165 3.963

螺丝攻牙钻孔径对照表

螺纹种类依螺紋用途不同可分为：1.国际公制标准螺纹(International Metric Thread System)：我国国家标准CNS采用之螺纹。

牙顶为平面，易於车削，牙底则为圆弧形，以增加螺纹强度。

螺纹角为60度，规格以M表示。

公制螺纹可分粗牙及细牙二种。

表示法如M8x1.25。

(M：代号、8：公称直径、1.25：螺距)。

2.美国标准螺纹(American Standard Thread)：螺纹顶部与根部皆为平面，强度较佳。

螺纹角亦为60度，规格以每英寸有几牙表示。

此种螺纹可分为粗牙(NC)；细牙(NF)；特细牙(NEF)三级。

表示法如1/2-10NC。

(1/2：外径；10：每寸牙数；NC 代号)。

3.统一标准螺纹(Unified Thread)：由美国、英国、加拿大三国共同制订，为目前常用之英制螺纹。

螺纹角亦为60度，规格以每英寸有几牙表示。

此种螺纹可分为粗牙(UNC)；细牙(UNF)；特细牙(UNEF)。

表示法如1/2-10UNC。

(1/2：外径；10：每寸牙数；UNC代号)4.V形螺纹(Sharp V Thread)：顶部与根部均成尖状，强度较弱，亦坏不常使用。

螺纹角为60度。

5.惠式螺纹(Whitworth Thread)：英国国家标准采用之螺纹。

螺纹角为55度，表示符号为”W”。

适用於滚压法制造。

表示法如W1/2-10。

(1/2：外径；10：每寸牙数；W代号)。

6.圆螺纹(Knuckle Thread)：为德国DIN所定之标准螺纹。

适用於灯泡、橡皮管之连接。

表示符号为”Rd”。

7.管用螺纹(Pipe Thread)：为防止泄漏用的螺纹，经常用於气体或液体之管件连结。

螺纹角为55度，可分为直管螺纹代号为”P.S.、N.P.S.”和斜管螺纹代号为”N.P.T.”，其锥度为1：16，即每尺3/4寸。

8.方螺纹(Square Thread)：传动效率大，仅次於滚珠螺纹，而磨损後无法用螺帽调整，为其缺点。

螺丝攻牙孔径对照表

0.783 0.883 0.983 1.183 1.383 1.460 1.583 1.729 1.929 2.001 2.121 2.186 2.621 3.121 3.459 3.959 4.459 4.959 5.188 5.400 6.188 6.400 6.917 7.188 7.400 7.917 8.188 8.647 8.917 9.188 9.400 8.917 10.188 10.376 10.647
M1.0*0.25 0.86 0.88 M1.1*0.25 0.96 0.98 M1.2*0.25 1.06 1.08 M1.4*0.30 1.24 1.25 M1.6*0.35 1.41 1.43 M1.7*0.35 1.51 1.53 M1.8*0.35 1.61 1.63 M2.0*0.40 1.78 1.80 M2.2*0.45 1.95 1.98 M2.3*0.40 2.08 2.10 M2.5*0.45 2.25 2.28 M2.6*0.45 2.35 2.38 M3.0*0.50 2.73 2.75 M3.5*0.60 3.17 3.20 M4.0*0.70 3.62 3.65 3.69 M5.0*0.80 4.56 4.60 4.64 M6.0*1.00 5.45 5.50 5.55 M7.0*1.00 6.45 6.50 6.55 M8.0*1.25 7.31 7.38 7.44 M10*1.50 9.18 9.25 9.32 M10*1.25 9.31 9.38 9.44 M12*1.75 11.04 11.12 11.21 M12*1.25 11.31 11.38 11.44 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。

螺丝攻牙孔径对照表

M12*1.0 M12*0.5 M14*1.5 M14*1.0 M15*1.5 M15*1.0 M16.1.5 M16*1.0 M17*1.5 M17*1.0 M18*2.0 M18*1.5 M18*1.0 M20*2.0 M20*1.5 M20*1.0 M22*2.0 M22*1.5 M22*1.0 M24*2.0 M24*1.5 M24*1.0 M25*2.0 M25*1.5 M25*1.0 M26*1.5 M27*2.0 M27*1.5 M27*1.0 M28*2.0 M28*1.5 M28*1.0 M30*3.0 M30*2.0 M30*1.5 M30*1.0 M32*2.0 M32*1.5 M33*1.0 M33*2.0 M33*1.5 M35*1.5 M36*3.0 M36*2.0 M36*1.5
10.917 11.400 12.376 12.917 13.376 13.917 14.376 14.917 15.376 15.917 15.835 16.976 16.917 17.835 18.376 18.917 19.835 20.376 20.917 21.835 22.376 22.917 22.835 23.376 23.917 24.376 24.835 25.376 25.917 25.835 26.376 26.917 26.752 27.835 28.376 28.917 29.835 30.376 29.752 30.835 31.376 33.376 32.752 33.835 34.376
1.25 1.55 1.85 2.10 2.40 2.70 2.90 3.50 4.10 4.60 5.50 6.90 8.50 9.90 11.50 12.90 14.50 17.50 20.50 23.20 26.50 29.50 32.80 36.00

机加工螺纹攻牙钻孔直径对照表

机加工螺纹攻牙钻孔直径对照表螺纹攻牙钻孔直径对照表：公制粗螺纹规格标准径2级牙钻孔径最大最小M1.0×0.250.750.7850.729M1.1×0.250.850.8850.829M1.2×0.250.950.9850.929M1.4×0.3 1.10 1.142 1.075M1.6×0.35 1.25 1.321 1.221M1.7×0.35 1.35 1.421 1.321M1.8×0.35 1.45 1.521 1.421M2.0×0.4 1.60 1.679 1.567M2.2×0.45 1.75 1.838 1.713M2.3×0.4 1.90 1.979 1.867M2.5×0.45 2.10 2.138 2.013M2.6×0.45 2.20 2.238 2.113M3.0×0.5 2.50 2.599 2.459M3.0×0.6 2.40 2.44 2.280M3.5×0.6 2.90 3.010 2.850M4.0×0.7 3.30 3.422 3.242M4.0×0.75 3.25 3.326 3.106M4.5×0.75 3.80 3.878 3.688M5.0×0.8 4.20 4.334 4.134M5.0×0.9 4.10 4.170 3.930M6.0×1.0 5.00 5.153 4.917M7.0×1.0 6.00 6.153 5.917M8.0×1.25 6.80 6.912 6.647M9.0×1.257.807.9127.647M10×1.58.508.6768.376M11×1.59.509.6769.376M12×1.7510.3010.44110.106M14×2.012.0012.21011.735M16×2.014.0014.21013.835M18×2.515.5015.74415.294M20×2.517.5017.74417.294M22×2.519.5019.74419.294M24×3.021.0021.25220.752M27×3.024.0024.25223.752M30×3.526.5026.77126.211公制细螺纹规格标准径2级牙钻孔径最大最小M1.0×0.20.800.8210.783M1.1×0.20.900.9210.883M1.2×0.2 1.00 1.0210.983M1.4×0.2 1.20 1.2210.183M1.6×0.2 1.40 1.421 1.383M1.7×0.2 1.45 1.500 1.460M1.8×0.2 1.60 1.621 1.583M2.0×0.25 1.75 1.785 1.729M2.0×0.25 1.75 1.785 1.729 M2.2×0.25 1.95 1.985 1.929 M2.3×0.25 2.05 2.061 2.001 M2.5×0.35 2.20 2.221 2.121 M2.6×0.35 2.20 2.246 2.186 M3.0×0.35 2.70 2.721 2.621 M3.5×0.35 3.20 3.221 3.121 M4.0×0.5 3.50 3.599 3.459 M4.5×0.5 4.00 4.099 3.959 M5×0.5 4.50 4.599 4.459 M5.5×0.5 5.00 5.099 4.959 M6.0×0.75 5.30 5.378 5.188 M6.0×0.5 5.50 5.550 5.400 M7.0×0.75 6.30 6.37861.88 M7.0×0.5 6.50 6.55064.00 M8.0×1.07.007.153 6.917 M8.0×0.757.307.3787.188 M8×0.57.507.5207.400 M9×1.08.008.1537.917 M9×0.758.308.3788.188 M10×1.258.808.9128.647 M10×1.09.009.1538.917 M10×0.759.309.3789.188 M10×0.59.509.5209.400 M11×1.010.0010.1539.917 M11×0.7510.3010.37810.188 M11×1.510.5010.67610.376 M12×1.2510.8010.91210.647公制细螺纹规格标准径2级牙钻孔径最大最小M12×1.011.0011.15310.917 M12×0.511.5011.52011.4M14×1.512.5012.67612.376 M14×1.013.0013.15312.917 M15×1.513.5013.67613.376 M15×1.014.0014.15313.917 M16×1.514.5014.67614.376 M16×1.015.0015.15314.917 M17×1.515.5015.67615.376 M17×1.016.0016.15315.917 M18×2.016.0016.21015.835 M18×1.516.5016.67016.376 M18×1.017.0017.15316.917 M20×2.018.0018.21017.835 M20×1.518.5018.67618.376 M20×1.019.0019.15318.917 M20×2.020.0020.21019.835 M22×1.520.5020.67620.376 M22×1.021.0021.15320.917 M24×2.022.0022.21021.835 M24×1.522.5022.67622.376 M24×1.023.0023.15322.917 M25×2.023.0023.21022.835M25×1.523.5023.67623.376M25×1.523.5023.67623.376M25×1.024.0024.15323.917M26×1.524.5024.67624.376M27×2.025.0025.21024.835M27×1.525.5025.67625.376M27×1.026.0026.15325.917M28×2.026.0026.21025.835M28×1.526.5026.67626.376M28×1.027.0027.15326.917M30×3.027.0027.25226.752M30×2.028.0028.21027.835M30×1.528.5028.67628.376M30×1.029.0029.15328.917M32×2.030.0030.21029.835M32×1.530.5030.67630.376M33×3.030.0030.25229.752M33×2.031.0031.21030.835M33×1.531.5031.37631.376M35×1.533.5033.67633.376M36×3.033.0033.25232.752M36×2.034.0034.21033.835M36×1.534.5034.67634.376美制细螺纹规格(UNF)标准径2级牙钻孔径最大最小番数牙外径NO.0-80(1.524) 1.25 1.305 1.182 NO.1-72(1.854) 1.55 1.612 1.474 NO.2-64(2.184) 1.85 1.912 1.756 NO.3-56(2.515) 2.10 2.197 2.025 NO.4-48(2.845) 2.40 2.458 2.271 NO.5-44(3.175) 2.70 2.740 2.551 NO.6-40(3.505) 2.90 3.022 2.820 NO.8-36(4.166) 3.50 3.606 3.404 NO.10-32(4.826)4.10 4.165 3.963 NO.12-28(5.846)4.60 4.724 4.496 1/4 -28 5.50 5.588 5.360 5/16 -24 6.907.035 6.782 3/8 -248.508.6368.382 7/16 -209.9010.0339.729 1/2 -2011.5011.60711.329 9/16 -1812.9013.08112.751 5/8 -1814.5014.68114.351 3/4 -1617.5014.67817.323 7/8 -1420.5020.67520.270 1 -1223.2023.57123.114 1-1/8 -1226.5026.74626.289 1-1/4 -1229.5029.92129.464 1-3/8 -1232.8033.09632.464 1-1/2 -1236.0036.27035.814无屑丝攻钻孔径规格精度等级RH4.5.6RH7.8RH9M1.0×0.250.860.88-M1.1×0.250.960.98-M1.2×0.25 1.06 1.08-M1.2×0.25 1.06 1.08-M1.4×0.3 1.24 1.25-M1.6×0.35 1.41 1.43-M1.7×0.35 1.51 1.53-M1.8×0.35 1.61 1.63-M2.0×0.4 1.78 1.80-M2.2×0.45 1.95 1.98-M2.3×0.4 2.08 2.10-M2.5×0.45 2.25 2.28-M2.6×0.45 2.35 1.38-M3.0×0.5 2.73 2.75-M3.0×0.6 3.17 3.20-M4.0×0.7 3.62 3.65 3.69M5.0×0.8 4.56 4.60 4.64M6.0×1.0 5.45 5.50 5.55M7.0×1.0 6.45 6.50 6.55M8.0×1.257.317.387.44M10×1.59.189.259.32M10×1.259.319.389.44M12×1.7511.0411.1211.21M12×1.2511.3111.3811.44美制管螺纹规格(UNEF)标准径2级牙钻孔径最大最小NO.12 -32 4.70 4.826 4.623 1/4 -32 5.60 5.690 5.486 5/16 -327.107.2647.087 3/8 -328.708.8658.661 7/16 -2810.2010.33810.135 1/2 -2811.8011.93811.709 9/16 -2813.2013.38613.132 5/8 -2414.8014.98614.732 3/4 -2017.8017.95817.678 7/8 -2021.0021.13320.853 1 -2024.0024.30824.028美制粗螺纹规格(UNC)标准径2级牙钻孔径番数牙外径最大最小NO.1-64(1.854) 1.55 1.582 1.425 NO.2-56(2.184) 1.80 1.871 1.695 NO.3-48(2.515) 2.10 2.146 1.941 NO.4-40(2.845) 2.30 2.385 2.157 NO.5-40(3.175) 2.60 2.697 2.487 NO.6-32(3.505) 2.80 2.895 2.642 NO.8-32(4.166) 3.40 3.530 3.302 NO.10-24(4.826)3.90 3.962 3.682 NO.12-24(5.846)4.50 4.597 4.344 1/4 -20 5.10 5.257 4.979 5/16 -18 6.60 6.731 6.401 3/8 -168.008.1537.987 7/16 -149.409.5009.144 1/2 -1310.8011.02310.592 9/16 -1212.2012.44611.989 5/8 -1113.6012.86813.386 3/4 -1016.2016.84016.307 7/8 -919.5019.76119.177 1 -822.2022.60621.9711 -822.2022.60621.971 1-1/8 -725.0025.34924.638 1-1/4 -728.2028.52427.813 1-3/8 -630.8031.11530.353 1-1/2 -634.0034.29033.528 1-3/4 -539.5039.82738.964 2 -4-1/245.2045.59344.679英制螺纹规格钻孔径硬材软材W1/8 - 40 2.65 2.60W5/32 - 323.25 3.20W3/16 - 243.75 3.70W1/4 - 20 5.10 5.00W5/16 - 186.60 6.50W3/8 - 168.007.90W7/16 - 149.409.30W1/2 - 1210.7010.50W9/16 - 1212.3012.00W5/8 - 1113.7013.50W3/4 - 1016.7016.50W7/8 - 919.5019.30W1 - 822.4022.00W1-1/8 - 725.0024.80W1-1/4 - 728.3028.00英制管螺纹规格标准径钻孔径最大最小PS1/16 -28 6.50 6.632 6.490PS1/8 -288.508.6378.495PS1/4 - 1911.4011.54911.341PS3/8 - 1915.0015.05414.846PS1/2 - 1418.5018.77318.489PS3/4 - 1424.0024.25923.975PS1 - 1130.2030.47130.111PS1-1/4 -1138.8039.13238.772PS1-1/2 -1144.8045.02544.665PS2 - 1156.5056.83656.476英制管螺纹规格标准径有效牙部之长度(最小)中之母螺牙内径标准长度(最小)中之母螺牙内径使用绞刀时不用绞刀时PT1/16 -28 6.10 6.2 6.244 6.384 PT1/8 -288.108.28.2498.388 PT1/4 -1910.701110.96211.174 PT3/8 -1914.2014.514.44814.658 PT1/2 -1417.601817.97918.263 PT3/4 -1423.0023.523.37823.663 Pt1 -1129.0029.529.45929.822 PT1-1/4 -1137.503837.97638.339 PT1-1/2 -1143.404443.86944.232 Pt2 -1154.9055.555.41255.844美制螺纹滚造径规格钻孔径规格钻孔径NPT NPS使用绞刀时不用绞刀时1/16 -27 6.1 6.25 6.35 1/8 -278.338.438.74 1/4 -1810.7211.1311.13 3/8 -1814.2714.2714.68 1/2 -1417.4817.8618.26 3/4 -1422.6323.0123.42 1 -11-1/228.5828.9829.36 1-1/4-11-1/237.3137.6938.1 1-1/2-11-1/243.6644.0444.45 2 -11-1/255.5855.9656.36英制螺纹滚造径规格滚造径W 3/16 - 24 4.08 - 4.05W 1/4 - 20 5.51 - 5.46W 5/16 - 187.01 - 6.95W 3/8 - 168.48 - 8.41W 7/16 - 149.92 - 9.85W 1/2 - 1211.31 - 11.24W 9/16 -1212.89 - 12.82公制螺纹规格滚造径M3.0×0.6 2.56 2.53M3.5×0.6 3.06 3.03M4.0×0.7 3.49 3.45M4.0×0.75 3.45 3.41M4.5×0.75 3.96 3.92M5.0×0.8 4.43 4.38M5.0×0.9 4.36 4.31M6.0×1.0 5.30 5.25M7.0×1.0 6.30 6.25M8.0×1.07.28 - 7.23M8.0×1.257.12 - 7.07M9.0×1.258.12 - 8.07M10×1.259.10 - 9.04M10×1.58.97 - 8.91M11×1.59.97 - 9.91M12×1.510.92 - 10.87M12×1.7510.79 - 10.73M14×2.012.63 - 12.56M16×2.014.63 - 14.56M18×2.516.31 - 16.23M20×2.518.31 - 18.23M22×2.520.31 - 20.23针车用螺纹规格(UNC)滚造径SM 1/8 40 2.735 -2.688SM 1/8 44 2.769 -2.722SM 9/64 40 3.128 -3.083SM 11/64 40 3.855 -3.805SM 3/16 32 4.205 -4.155SM 3/16 28 4.143 -4.093SM 7/32 32 5.003 -4.955SM 15/64 28 5.325 -4.955SM 1/4 40 5.890 -5.735SM 1/4 40 5.890 -5.735 SM 1/4 28 5.721 -5.366 SM 9/32 28 6.528 -6.648 SM 11/32 288.092 -8.432 SM 3/8 298.880 -8.015 SM 7/16 3010.466 -10.401 SM 7/16 1610.037 -9.967 SM 1/2 2011.819 -11.749 SM 9/16 2013.400 -13.425美制粗螺纹规格(UNC)滚造径NO.5-40 2.70 - 2.67 NO.6-32 2.95 - 2.91 NO.8-32 3.60 - 3.57 NO.10-24 4.09 - 4.05 NO.12-24 4.75 - 4.701/4 -20 5.50 - 5.455/16 -18 6.98 - 6.933/8 -168.45 - 8.407/16 -149.89 - 9.831/2 -1311.39 - 11.32 9/16 -1212.87 - 12.80美制细螺纹规格(UNF)滚造径NO.5-44 2.73 - 2.70 NO.6-40 3.05 - 3.02 NO.8-36 3.66 - 3.63 NO.10-32 4.26 - 4.80 NO.12-28 4.84 - 4.801/4 -28 5.72 - 5.685/16 -247.20 - 7.163/8 -248.79 - 8.747/16 -2010.23 - 10.18 1/2 -2011.82 - 11.76。

【精品】螺丝攻牙钻孔径和滚丝径对照表(可编辑

425英制管螺纹英制管螺纹美制管螺纹规格标准径钻孔径规格标准径有交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规格钻孔径最大最小使用绞刀时不用绞刀时nptnps使用绞刀时不用绞刀时ps116286
螺丝攻牙钻孔径和滚丝径对照表
螺丝攻牙钻孔径和滚丝径对照表
公制粗螺纹
美制粗螺纹
规格
标准径
2级牙钻孔径
32.752
M36×2.0
34.00
34.210
33.835
M36×1.5
34.50
34.676
34.376
签名档：
螺丝攻牙钻孔径和滚丝径对照表
公制挤压丝攻钻孔径
美制挤压丝攻钻孔径
规格
精度等级
规格（UNC）
精度等级
G4-G6
G7-G8
G9
G4-G6
G7-G8
G9
M1.0×0.25
0.86
0.88
－
NO.2-56UNC
10.441
10.106
M14×2.0
12.00
12.210
11.835
M16×2.0
14.00
14.210
13.835
M18×2.5
15.50
15.744
15.294
M20×2.5
17.50
17.744
17.294
M22×2.5
19.50
19.744
19.294
M24×3.0
21.00
21.252
14.50
14.681
14.351
M5.5×0.5
5.00
5.099
4.959
3/4-16
17.50

超全螺纹攻牙钻孔直径和滚造直径对照表,值得收藏!

15.376
M17×1.0
16.00
16.153
15.917
M18×2.0
16.00
16.210
15.835
M18×1.5
16.50
16.670
16.376
M18×1.0
17.00
17.153
16.917
M20×2.0
18.00
18.210
17.835
M20×1.5
18.50
18.676
18.376
39.50
39.827
38.964
2 -4-1/2
45.20
45.593
44.679
英制螺纹
规格
钻孔径
硬材
软材
W1/8 - 40
2.65
2.60
W5/32 - 32
3.25
3.20
W3/16 - 24
3.75
3.70
W1/4 - 20
11.938
11.709
9/16 -28
13.20
13.386
13.132
5/8 -24
14.80
14.986
14.732
3/4 -20
17.80
17.958
17.678
7/8 -20
21.00
21.133
20.853
1 -20
24.00
24.308
24.028
美制粗螺纹
规格(UNC)
标准径
1.40
1.421
1.383
M1.7×0.2
1.45
1.500
1.460
M1.8×0.2
1.60

公司使用螺丝攻牙孔径对照表

M1.0*0.25 0.86 0.88 M1.1*0.25 0.96 0.98 M1.2*0.25 1.06 1.08 M1.4*0.30 1.24 1.25 M1.6*0.35 1.41 1.43 M1.7*0.35 1.51 1.53 M1.8*0.35 1.61 1.63 M2.0*0.40 1.78 1.80 M2.2*0.45 1.95 1.98 M2.3*0.40 2.08 2.10 M2.5*0.45 2.25 2.28 M2.6*0.45 2.35 2.38 M3.0*0.50 2.73 2.75 M3.5*0.60 3.17 3.20 M4.0*0.70 3.62 3.65 3.69 M5.0*0.80 4.56 4.60 4.64 M6.0*1.00 5.45 5.50 5.55 M7.0*1.00 6.45 6.50 6.55 M8.0*1.25 7.31 7.38 7.44 M10*1.50 9.18 9.25 9.32 M10*1.25 9.31 9.38 9.44 M12*1.75 11.04 11.12 11.21 M12*1.25 11.31 11.38 11.44 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。
No 1-64(1.854) No 2-56(2.184) No 3-48(2.515) No 4-40(2.845) No 5-40(3.175) No 6-32(3.505) No 8-32(4.166) No 10-24(4.826) No 12-24(5.486) 2001-4-20 5/16 - 18 3/8 - 16 7/16 - 14 1/2 - 13 9/16 - 12 5/8 - 11 3/4 - 10 7/8 - 9 1 - 8 1-1/8 - 7 1-1/4 - 7 1-3/8 - 6 1-1/2 - 6 1-3/4 - 5 2 - 4-1/2

螺丝攻牙钻孔径和滚造径对照表

螺丝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。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，应视实际状况适当的变更钻头直径。本表是依据2级牙制订。
英制锥管螺纹
标 6.10 8.10 10.70 14.20 17.60 23.00 29.00 37.50 43.40 54.90 准径 6.20 8.20 11.00 14.50 18.00 23.50 29.50 38.00 44.00 55.50
No.10－ 32 No.12－ 28 1/4 5/16 3/8 7/16 1/2
PS 1/16 － 28 PS 1/8 PS 1/4 PS 3/8 PS 1/2 PS 3/4 PS 1 － 28 － 19 － 19 － 14 － 14 － 11
－ 28 5.72 － 5.68 － 24 7.20 － 7.16 － 24 8.79 － 8.74 － 20 10.23－10.18 － 20 11.82－11.76
公制细螺纹
格标准径 11.00 11.50 12.50 13.00 13.50 14.00 14.50 15.00 15.50 16.00 16.00 16.50 17.00 18.00 18.50 19.00 20.00 20.50 21.00 22.00 22.50 23.00 23.00 23.50 24.00 24.50 25.00 25.50 26.00 26.00 26.50 27.00 27.00 28.00 28.50 29.00 30.00 30.50 30.00 31.00 31.50 33.50 33.00 34.00 34.50 2级牙钻孔径最大 11.153 11.520 12.676 13.153 13.676 14.153 14.676 15.153 15.676 16.153 16.210 16.676 17.153 18.210 18.676 19.153 20.210 20.676 21.153 22.210 22.676 23.153 23.210 23.676 24.153 24.676 25.210 25.676 26.153 26.210 26.676 27.153 27.252 28.210 28.676 29.153 30.210 30.676 30.252 31.210 31.676 33.676 33.252 34.210 34.676 最小 10.917 11.400 12.376 12.917 13.376 13.917 14.376 14.917 15.376 15.917 15.835 16.376 16.917 17.835 18.376 18.917 19.835 20.376 20.917 21.835 22.376 22.917 22.835 23.376 23.917 24.376 24.835 25.376 25.917 25.835 26.376 26.917 26.752 27.835 28.376 28.917 29.835 30.376 29.752 30.835 31.376 33.376 32.752 33.835 34.376 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 M18×2.00 M18×1.50 M18×1.00 M20×2.00 M20×1.50 M20×1.00 M22×2.00 M22×1.50 M22×1.00 M24×2.00 M24×1.50 M24×1.00 M25×2.00 M25×1.50 M25×1.00 M26×1.50 M27×2.00 M27×1.50 M27×1.00 M28×2.00 M28×1.50 M28×1.00 M30×3.00 M30×2.00 M30×1.50 M30×1.00 M32×2.00 M32×1.50 M33×3.00 M33×2.00 M33×1.50 M35×1.50 M36×3.00 M36×2.00 M36×1.50 最小 0.783 0.883 0.983 1.183 1.383 1.460 1.583 1.729 1.929 2.001 2.121 2.186 2.621 3.121 3.459 3.959 4.459 4.959 5.188 5.400 6.188 6.400 6.917 7.188 7.400 7.917 8.188 8.647 8.917 9.188 9.400 9.917 10.188 10.376 10.647

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英制管螺纹
规格
PS 1/16 - 28 PS PS PS PS PS PS 1/8 - 28 1/4 - 19 3/8 - 19 1/2 - 14 3/4 - 14 1 - 11
SM7/22 - ?
最小
1.452 1.695 1.941 2.157 2.487 2.642 3.302 3.683 4.344 4.979 6.401 7.798 9.144 10.592 11.989 11.386 16.307 19.177 21.971 24.638 27.813 30.353 33.528 38.964 44.679
螺纹攻牙钻孔径和滚造径对照表.
******本表依据二级牙制订
公制粗螺纹
规格 M1.0*0.25 M1.1*0.25 M1.2*0.25 M1.4*0.3 M1.6*0.35 M1.7*0.35 M1.8*0.35 M2.0*0.4 M2.2*0.45 M2.3*0.4 M2.5*0.45 M2.6*0.45 M3.0*0.5 M3.0*0.6 M3.5*0.6 M4.0*0.7 M4.0*0.75 M4.5*0.75 M5.0*0.8 M5.0*0.9 M6.0*1.0 M7.0*1.0 M8.0*1.25 M9.0*1.25 M10*1.5 M11*1.5 M12*1.75 M14*2.0 M16*2.0 M18*2.5 M20*2.5 M22*2.5 M24*3.0 M27*3.0 M30*3.5 标准径 0.75 0.85 0.95 1.10 1.25 1.35 1.45 1.60 1.75 1.90 2.10 2.20 2.50 2.40 2.90 3.30 3.25 3.80 4.20 4.10 5.00 6.00 6.80 7.80 8.50 9.50 10.30 12.00 14.00 15.50 17.50 19.50 21.00 24.00 26.50 二级牙钻孔径最大 0.785 0.885 0.985 1.142 1.321 1.421 1.521 1.679 1.838 1.979 2.138 2.238 2.599 2.440 3.010 3.422 3.326 3.878 4.334 4.170 5.153 6.153 6.912 7.912 8.676 9.676 10.441 12.210 14.210 15.744 17.744 19.744 21.252 24.252 26.771 最小 0.729 0.829 0.929 1.075 1.221 1.321 1.421 1.567 1.713 1.867 2.013 2.113 2.459 2.280 2.850 3.242 3.106 3.688 4.134 3.930 4.917 5.917 6.647 7.647 8.375 9.376 10.106 11.835 13.835 15.294 17.294 19.294 20.752 23.752 26.211 M12*1.0 M12*0.5 M14*1.5 M14*1.0 M15*1.5 M15*1.0 M16*1.5 M16*1.0 M17*1.5 M17*1.0 M18*2.0 M18*1.5 M18*1.0 M20*2.0 M20*1.5 M20*1.0 M22*2.0 M22*1.5 M22*1.0 M24*2.0 M24*1.5 M24*1.0 M25*2.0 M25*1.5 M25*1.0 M26*1.5 M27*2.0 M27*1.5 M27*1.0 M28*2.0 M28*1.5 M28*1.0 M30*3.0 M30*2.0 M30*1.5 M30*1.0 M32*2.0 M32*1.5 M33*3.0 M33*2.0 M33*1.5 M35*1.5 M36*3.0 M36*2.0 M36*1.5 11.00 11.50 12.50 13.00 13.50 14.00 14.50 15.00 15.50 16.00 16.00 16.50 17.00 18.00 18.50 19.00 20.00 20.50 21.00 22.00 22.50 23.00 23.00 23.50 24.00 24.50 25.00 25.50 26.00 26.00 26.50 27.00 27.00 28.00 28.50 29.00 30.00 30.50 30.00 31.00 31.50 33.50 33.00 34.00 34.50
钻孔径硬材
2.65 3.25 3.75 5.10 6.60 8.00 9.40 10.70 12.30 13.70 16.70 19.50 22.40 25.00 28.30
G7-G8
.. .. .. .. .. 3.77 4.30 4.96 5.72 7.24 8.74 10.20 11.27 .. .. .. .. .. .. 4.43 5.04 5.90 7.41 9.00 10.48 12.07
公制细螺纹
规格标准径二级牙钻孔径
最大 11.153 11.520 12.676 13.153 13.676 14.153 14.676 15.153 15.676 16.153 16.210 16.675 17.153 18.210 18.676 19.153 20.210 20.676 21.153 22.210 22.676 23.153 23.210 22.676 24.153 24.676 25.210 25.676 26.153 26.210 26.676 27.153 27.252 28.210 28.676 29.153 30.210 30.676 30.252 31.210 31.676 33.676 33.252 34.210 34.676 最小 10.917 11.400 12.376 12.917 13.376 13.917 14.376 14.917 15.376 15.917 15.835 16.376 16.917 17.835 18.376 18.917 19.835 20.376 20.917 21.835 23.376 22.917 22.835 23.376 23.917 24.376 24.835 25.376 25.917 25.835 26.376 26.917 26.752 27.835 28.376 28.917 29.835 30.376 29.752 30.835 31.376 33.376 32.752 33.835 34.376
பைடு நூலகம்
精度等级 G7-G8
0.88 0.98 1.08 1.25 1.43 1.53 1.63 1.80 1.98 2.10 2.28 2.38 2.75 3.20 3.65 4.60 5.50 6.50 7.38 9.25 9.38 11.12 11.38
精度等级 G1-G6
1.94 2.23 2.50 2.83 3.07 3.73 4.24 4.90 .. .. .. .. .. 1.97 2.27 2.56 2.86 3.16 3.78 4.39 4.99 5.85 7.36 .. .. ..
SM3/16 - 28
标准径
1.55 1.80 2.10 2.30 2.60 2.80 3.40 3.90 4.50 5.10 6.60 8.00 9.40 10.80 12.20 13.60 16.50 19.50 22.20 25.00 28.20 30.80 34.00 39.50 45.20
W1-1/8 -7 W1-1/4 -7
针车用螺纹
规格
SM1/8 SM1/8 - 40 - 44
滚造径
2.735-2.688 2.769-2.722 3.128-3.083 3.855-3.805 4.205-4.155 4.143-4.093 ? 5.325-5.570 5.890-5.735 5.721-5.366 6.508-6.648 8.092-8.432 8.880-8.015 10.466-10.401 10.037-9.957 11.319-11.749 13.400-13.425
公制迫牙丝攻钻孔径
规格 G1-G6
M1.0*0.25 M1.1*0.25 M1.2*0.25 M1.4*0.3 M1.6*0.35 M1.7*0.35 M1.8*0.35 M2.0*0.4 M2.2*0.45 M2.3*0.4 M2.5*0.45 M2.6*0.45 M3.0*0.5 M3.5*0.6 M4.0*0.7 M5.0*0.8 M6.0*1.0 M7.0*1.0 M8.0*1.25 M10*1.5 M10*1.25 M12*1.75 M12*1.25 0.86 0.96 1.06 1.24 1.41 1.51 1.61 1.78 1.95 2.08 2.25 2.35 2.73 3.17 3.62 4.56 5.45 6.45 7.31 9.18 9.31 11.04 11.31
标准径
6.50 8.50 11.40 15.00 18.50 24.00 30.20 38.80 44.80 56.50
钻孔径最大
6.632 8.637 11.549 15.054 18.773 24.259 30.471 39.132 45.025 56.836
SM15/64 - 28 SM1/4 SM1/4 - 40 - 28
二级牙钻孔径最大
1.582 1.871 2.146 2.385 2.697 2.895 3.530 3.962 4.597 5.257 6.731 8.153 9.550 11.023 12.446 12.868 18.840 19.761 22.606 25.349 28.524 31.115 34.290 39.827 45.593
英制螺纹
规格 G9
.. .. .. .. .. .. .. .. .. .. 8.81 10.30 11.82 .. .. .. .. .. .. .. .. .. .. .. 10.54 12.13 W1/8 - 40 W5/32 - 32 W3/16 - 24 W1/4 - 20 W5/16 - 18 W3/8 - 16 W7/16 - 14 W1/2 - 12 W9/16 - 12 W5/8 - 11 W3/4 - 10 W7/8 W1 -9 -8

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