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螺丝攻牙钻孔径和滚造径对照表

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最大最小最大最小G4-G6G7-G8G9NO.5-402.70-2.67M1.0×0.250.750.7850.729M12×1.011.0011.15310.917M1.0×0.250.860.88──W 1/8-40NO.6-322.95-2.91M1.1×0.250.850.8850.829M12×0.511.5011.52011.400M1.1×0.250.960.98──W 5/32-32NO.8-323.60-3.57M1.2×0.250.950.9850.929M14×1.512.5012.67612.376M1.2×0.251.061.08──W 3/16-24NO.10-244.09-4.05M1.4×0.31.101.1421.075M14×1.013.0013.15312.917M1.4×0.31.241.25──W 1/4-20NO.12-244.75-4.70M1.6×0.351.251.3211.221M15×1.513.5013.67613.376M1.6×0.351.411.43──W 5/16-181/4-205.50-5.45M1.7×0.351.351.4211.321M15×1.014.0014.15313.917M1.7×0.351.511.53──W 3/8-165/16-186.98-6.93M1.8×0.351.451.5211.421M16×1.514.5014.67614.376M1.8×0.351.611.63──W 7/16-143/8-168.45-8.40M2.0×0.41.601.6791.567M16×1.015.0015.15314.917M2.0×0.41.781.80──W 1/2-127/16-149.89-9.83M2.2×0.451.751.8381.713M17×1.515.5015.67615.376M2.2×0.451.951.98──W 9/16-121/2-1311.39-11.32M2.3×0.41.901.9791.867M17×1.016.0016.15315.917M2.3×0.42.082.10──W 5/8-119/16-1212.87-12.80M2.5×0.452.102.1382.013M18×2.016.0016.21015.835M2.5×0.452.252.28──W 3/4-10M2.6×0.452.202.2382.113M18×1.516.5016.67616.376M2.6×0.452.352.38──W 7/8-9M3.0×0.52.502.5992.459M18×1.017.0017.15316.917M3.0×0.52.732.75──W 1-8M3.0×0.62.402.4402.280M20×2.018.0018.21017.835M3.5×0.63.173.20──W 1-1/8-7NO.5-402.73-2.70M3.5×0.62.903.0102.850M20×1.518.5018.67618.376M4.0×0.73.623.653.69W 1-1/4-7NO.6-323.05-3.02M4.0×0.73.303.4223.242M20×1.019.0019.15318.917M5.0×0.84.564.604.64NO.8-323.66-3.63M4.0×0.753.253.3263.106M22×2.020.0020.21019.835M6.0×1.05.455.505.55NO.10-244.26-4.22M4.5×0.753.803.8783.688M22×1.520.5020.67620.376M7.0×1.06.456.506.55NO.12-244.84-4.80M5.0×0.84.204.3344.134M22×1.021.0021.15320.917M8.0×1.257.317.387.441/4-205.72-5.68M5.0×0.94.104.1703.930M24×2.022.0022.21021.835M10×1.59.189.259.32PS 1/16-286.505/16-187.20-7.16M6.0×1.05.005.1534.917M24×1.522.5022.67622.376M10×1.259.319.389.44PS 1/8-288.503/8-168.79-8.74M7.0×1.06.006.1535.917M24×1.023.0023.15322.917M12×1.7511.0411.1211.21PS 1/4-1911.407/16-1410.23-10.18M8.0×1.256.806.9126.647M25×2.023.0023.21022.835M12×1.2511.3111.3811.44PS 3/8-1915.001/2-1311.82-11.76M9.0×1.257.807.9127.647M25×1.523.5023.67623.376PS 1/2-1418.50M1.0×1.58.508.6768.376M25×1.024.0024.15323.917PS 3/4-1424.00M11×1.59.509.6769.376M26×1.524.5024.67624.376PS 1-1130.20M12×1.7510.3010.44110.106M27×2.025.0025.21024.835PS 1-1/4-1138.80M14×2.012.0012.21011.835M27×1.525.5025.67625.376PS 1-1/2-1144.80M16×2.014.0014.21013.835M27×1.026.0026.15325.917PS 2-1156.50M18×2.515.5015.74415.294M28×2.026.0026.21025.835M20×2.517.5017.74417.294M28×1.526.5026.67626.376M22×2.519.5019.74419.294M28×1.027.0027.15326.917最大最小M24×3.021.0021.25220.752M30×3.027.0027.25226.752XX牙外徑使用電刀時不用電刀時M27×3.024.0024.25223.752M30×2.028.0028.21027.835NO.1-64(1.854)1.551.5821.425PS 1/16-286.106.206.384M30×3.526.5026.77126.211M30×1.528.5028.67628.376NO.2-56(2.184)1.801.8711.695PS 1/8-288.108.208.388M30×1.029.0029.15328.917NO.3-48(2.515)2.102.1461.941PS 1/4-1910.7011.0011.174M32×2.030.0030.21029.835NO.4-40(2.845)2.302.3852.157PS 3/8-1914.2014.5014.658M32×1.530.5030.67630.376NO.5-40(3.175)2.602.6972.487PS 1/2-1417.6018.0018.263最大最小M33×3.030.0030.25229.752NO.6-32(3.505)2.802.8952.642PS 3/4-1423.0023.5023.663M1.0×0.20.800.8210.783M33×2.031.0031.21030.835NO.8-32(4.166)3.403.5303.302PS 1-1129.0029.5029.822M1.1×0.20.900.9210.883M33×1.531.5031.67631.376NO.10-24(4.826)3.903.9623.683PS 1-1/4-1137.5038.0038.339M1.2×0.21.001.0210.983M35×1.533.5033.67633.376NO.12-24(5.486)4.504.5974.344PS 1-1/2-1143.4044.0044.2325.325-5.570

8.880-8.0155.890-5.7352.721-5.3666.508-6.6488.092-8.432SM 11/64 -40SM 3/16 -32SM 3/16 -284.205-4.1554.143-4.0935.003-4.955針車用螺紋規 格滾造徑SM 1/8 -40SM 1/8 -44SM 9/64 -40

SM 1/4 -28標準徑

29.45937.97643.86910.96214.4488.49511.34114.84618.489

17.97923.37830.47139.13245.02556.8369.3010.50

規格(UNF)滾造徑

公 制 細 螺 紋美 制 粗 螺 紋規格(UNC)標準徑2級牙鑽孔徑英 制 管 螺 紋SM 7/32 -32SM 15/64 -28SM 1/4 -4012.002.603.203.705.006.507.90

16.5013.50英 制 細 螺 紋

規 格標準徑2級牙鑽孔徑2.735-2.6882.769-2.7223.128-3.0833.855-3.80528.0024.8022.00

標準徑

24.259

規 格18.773最小12.3013.7016.7010.70

22.4025.00

上表之同時，亦請增減若干。注: 無槽溝絲攻之鑽孔徑，在上表所列之數值，由於被加工材料之材質、硬度、形狀、尺寸等之影響，多少會有所變動，因此於參考3.253.756.608.009.405.10

23.97530.11138.77244.66556.47611.54915.054鑽孔徑最大6.6328.63719.5028.3019.30

6.490滾造徑英 制 粗 螺 紋硬材軟材鑽孔徑2.65無溝絲攻鑽孔徑規 格精度等級規 格英 制 螺 紋規格(UNC)規 格公 制 粗 螺 紋公 制 細 螺 紋規 格標準徑2級牙鑽孔徑

SM 9/32 -28SM 11/32 -28SM 3/8 -28SM 7/16 -282級牙鑽孔徑標準徑

6.2448.249英 制 管 螺 紋規 格

SM 7/16 -16SM 1/2 -2010.466-10.40110.037-9.96711.819-11.749M1.4×0.21.201.2211.183M36×3.033.0033.25232.7521/4 -205.105.2574.979PS 2-1154.9055.5055.844M1.6×0.21.401.4211.383M36×2.034.0034.21033.8355/16 -186.606.7316.401M1.7×0.21.451.5001.460M36×1.534.0034.67634.3763/8 -168.008.1537.798M1.8×0.21.601.6211.5837/16 -149.409.5509.144M2.0×0.251.751.7851.7291/2 -1310.8011.02310.592M2.2×0.251.951.9851.9299/16 -1212.2012.44611.989使用絞刀時M2.3×0.252.052.0612.001最大最小5/8 -1113.6012.86813.3866.10M2.5×0.352.202.2212.121XX牙外徑3/4 -1016.5018.84016.3078.33M2.6×0.352.202.2462.186NO.0-80(1.524)1.251.3051.1827/8 -819.5019.76119.17710.72M3.0×0.352.702.7212.621NO.1-72(1.854)1.551.6121.4741 -822.2022.60621.97114.27M3.5×0.353.203.2213.121NO.2-64(2.184)1.851.9121.7561-1/8 -725.0025.34924.63817.48M4.0×0.53.503.5993.459NO.3-56(2.515)2.102.1972.0251-1/4 -728.2028.52427.81322.63M4.5×0.54.004.0993.959NO.4-48(2.845)2.402.4582.2711-3/8 -630.8031.11530.35328.58M5.0×0.54.504.5994.459NO.5-44(3.175)2.702.7402.5511-1/2 -634.0034.29033.52837.31M5.5×0.55.005.0994.959NO.6-40(3.505)2.903.0222.8201-3/4 -539.5039.82738.96443.66M6.0×0.755.305.3785.188NO.8-36(4.166)3.503.6063.4042 -4-1/245.2045.59344.67955.58M6.0×0.55.505.5505.400NO.10-32(4.826)4.104.1653.963M7.0×0.756.306.3786.188NO.12-28(5.846)4.604.7244.496M7.0×0.56.506.5506.4001/4 -285.505.5885.360M8.0×1.07.007.1536.9175/16 -246.907.0356.782最大最小M8.0×0.757.307.3787.1883/8 -248.508.6368.382NO. 12 -324.704.8264.623M8.0×0.57.507.5207.4007/16 -209.9010.0339.7291/4 -325.605.6905.486M9.0×1.08.008.1537.9171/2 -2011.5011.60711.3295/16 -327.107.2647.087M9.0×0.758.308.3788.1889/16 -1812.9013.08112.7513/8 -328.708.8658.661M10×1.258.808.9128.6475/8 -1814.5014.68114.3517/16 -2810.2010.33810.135M10×1.09.009.1538.9173/4 -1617.5017.67817.3231/2 -2811.8011.93811.709M10×0.759.309.3789.1887/8 -1420.5020.67520.2709/16 -2413.2013.38613.132M10×0.59.509.5209.4001 -1223.2023.57123.1145/8 -2414.8014.98614.732M11×1.010.0010.1539.9171-1/8 -1226.5026.74626.2893/4 -2017.8017.95817.678M11×0.7510.3010.37810.1881-1/4 -1229.5029.92129.4647/8 -2021.0021.13320.853M12×1.510.5010.67610.3761-3/8 -1232.8033.09632.6391 -2024.0024.30824.028M12×1.2510.8010.91210.6471-1/2 -1236.0036.27135.8144.08 - 4.055.51 - 5.467.01 - 6.958.48 - 8.419.92 - 9.8511.31 - 11.24W 1/4 -20

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常用公英美制螺纹孔径和滚造径对照表

常用公英美制螺纹孔径和滚造径对照表

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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.

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2级牙孔径 精 度 等 级 规 格 标准径 最大 最小 规 格 G4-G6 G7-G8 G9

M1.0×0.25 0.750.785 0.729M1.0×0.250.860.88 -- M1.1×0.25 0.850.885 0.829M1.1×0.250.960.98 -- M1.2×0.25 0.950.985 0.929M1.2×0.251.061.08 -- M1.4×0.3 1.101.142 1.075M1.4×0.31.241.25 -- M1.6×0.35 1.251.321 1.221M1.6×0.351.411.43 -- M1.7×0.35 1.351.421 1.321M1.7×0.351.511.53 -- M1.8×0.35 1.451.521 1.421M1.8×0.351.611.63 -- M2.0×0.4 1.601.679 1.567M2.0×0.41.781.80 -- M2.2×0.45 1.751.838 1.713M2.2×0.451.951.98 -- M2.3×0.4 1.901.979 1.867M2.3×0.42.082.10 -- M2.5×0.45 2.102.138 2.013M2.5×0.452.252.28 -- M2.6×0.45 2.202.238 2.113M2.6×0.452.352.38 -- M3.0×0.5 2.502.599 2.459M3.0×0.52.732.75 -- M3.0×0.6 2.402.440 2.280M3.5×0.63.173.20 -- M3.5×0.6 2.903.010 2.850M4.0×0.73.623.65 3.69M4.0×0.7 3.303.422 3.242M5.0×0.84.564.60 4.64M4.0×0.75 3.253.326 3.106M6.0×1.05.455.50 5.55M4.5×0.75 3.803.878 3.688M7.0×1.06.456.50 6.55M5.0×0.8 4.204.334 4.134M8.0×1.257.317.38 7.44M5.0×0.9 4.104.170 3.930M10×1.59.189.25 9.32M6.0×1. 0 5.005.153 4.917M10×1.259.319.38 9.44M7.0×1.0 6.006.153 5.917M12×1.7511.0411.12 11.21M8.0×1.25 6.806.912 6.647M12×1.2511.3111.38 11.44M9.0×1.25 7.807.912 7.647M10×1.5 8.508.676 8.376M11×1.5 9.509.676 9.376M12×1.75 10.3010.441 10.106M14×2.0 12.0012.210 11.835M16×2.0 14.0014.210 13.835注: 迫牙丝攻之钻孔径,在上表所列之数

螺丝,攻牙,孔径,对照表

螺丝,攻牙,孔径,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；而依抿市售之标准钻头所选定的，在使用钻头的情精度有很大的影响，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

最大最小最大最小G4-G6G7-G8G9M1.0*0.250.750.7850.729M12*1.011.0011.15310.917M1.0*0.250.860.88-M1.1*0.250.850.8850.829M12*0.511.5011.52011.400M1.1*0.250.960.98-M1.2*0.250.950.9850.929M14*1.512.5012.67612.376M1.2*0.251.061.08-M1.4*0.301.001.1421.075M14*1.013.0013.15312.917M1.4*0.301.241.25-M1.6*0.351.251.3211.221M15*1.513.5013.67613.376M1.6*0.351.411.43-M1.7*0.351.351.4211.321M15*1.014.0014.15313.917M1.7*0.351.511.53-M1.8*0.351.451.5211.421M16.1.514.5014.67614.376M1.8*0.351.611.63-M2.0*0.401.601.6791.567M16*1.015.0015.15314.917M2.0*0.401.781.80-M2.2*0.451.751.8381.713M17*1.515.5015.67615.376M2.2*0.451.951.98-M2.3*0.401.901.9791.867M17*1.016.0016.15315.917M2.3*0.402.082.10-M2.5*0.452.102.1382.013M18*2.016.0016.21015.835M2.5*0.452.252.28-M2.6*0.452.202.2382.113M18*1.516.5016.67616.976M2.6*0.452.352.38-M3.0*0.502.502.5992.459M18*1.017.0017.15316.917M3.0*0.502.732.75-M3.0*0.602.402.4402.280M20*2.018.0018.21017.835M3.5*0.603.173.20-M3.5*0.602.903.0102.850M20*1.518.5018.67618.376M4.0*0.703.623.653.69M4.0*0.703.303.4223.242M20*1.019.0019.15318.917M5.0*0.804.564.604.64M4.0*0.753.253.3263.106M22*2.020.0020.21019.835M6.0*1.005.455.505.55M4.5*0.753.803.8783.688M22*1.520.5020.67620.376M7.0*1.006.456.506.55M5.0*0.804.204.3344.134M22*1.021.0021.15320.917M8.0*1.257.317.387.44M5.0*0.904.104.1703.930M24*2.022.0022.21021.835M10*1.509.189.259.32M6.0*1.005.005.1534.917M24*1.522.5022.67622.376M10*1.259.319.389.44M7.0*1.006.006.1535.917M24*1.023.0023.15322.917M12*1.7511.0411.1211.21M8.0*1.256.806.9126.647M25*2.023.0023.21022.835M12*1.2511.3111.3811.44M9.0*1.257.807.9127.647M25*1.523.5023.67623.376M10*1.508.508.6768.376M25*1.024.0024.15323.917M11*1.509.509.6769.376M26*1.524.5024.67624.376M12*1.7510.3010.44110.160M27*2.025.0025.21024.835M14*2.0012.0012.21011.835M27*1.525.5025.67625.376M16*2.0014.0014.21013.835M27*1.026.0026.15325.917M18*2.5015.5015.74415.294M28*2.026.0026.21025.835M20*2.5017.5017.74417.294M28*1.526.5026.67626.376M22*2.5019.5019.74419.294M28*1.027.0027.15326.917M24*3.0021.0021.25220.752M30*3.027.0027.15226.752最大最小M27*3.0024.0024.25223.752M30*2.028.0028.21027.835No 1-64(1.854)1.551.5821.425M30*3.5026.5026.77126.211M30*1.528.5028.67628.376No 2-56(2.184)1.801.8711.695M30*1.029.0029.15328.917No 3-48(2.515)2.102.1461.941M32*2.030.0030.21029.835No 4-40(2.845)2.302.3852.157M32*1.530.5030.67630.376No 5-40(3.175)2.602.6972.487最大最小M33*1.030.0030.25229.752No 6-32(3.505)2.802.8952.642M1.0*0.20.800.8210.783M33*2.031.0031.21030.835No 8-32(4.166)3.403.5303.302M1.1*0.20.900.9210.883M33*1.531.5031.67631.376No 10-24(4.826)3.903.9623.683M1.2*0.21.001.0210.983M35*1.533.5033.67633.376No 12-24(5.486)4.504.5974.344M1.4*0.21.201.2211.183M36*3.033.0033.25232.752 1/4 - 205.105.2574.979M1.6*0.21.401.4211.383M36*2.034.0034.21033.835 5/16 - 186.606.7316.401M1.7*0.21.451.5001.460M36*1.534.5034.67634.376 3/8 - 168.008.1537.798M1.8*0.21.601.6211.583 7/16 - 149.409.5509.144M2.0*0.251.751.7851.729 1/2 - 1310.8011.02310.592M2.2*0.251.951.9851.929 9/16 - 1212.2012.44611.989M2.3*0.252.052.6102.001 5/8 - 1113.6012.86813.386M2.5*0.352.202.2212.121最大最小 3/4 - 1016.5018.84016.307M2.6*0.352.202.2462.186No 0-80(1.524)1.251.3051.182 7/8 - 919.5019.76119.177M3.0*0.352.702.7212.621No 1-72(1.854)1.551.6121.474 1 - 822.2022.60621.971M3.5*0.353.203.2213.121No 2-64(2.184)1.851.9121.756 1-1/8 - 725.0025.34924.638M4.0*0.53.503.5993.459No 3-58(2.515)2.102.1972.025 1-1/4 - 728.2028.52427.813M4.5*0.54.004.0993.959No 4-48(2.845)2.402.4582.271 1-3/8 - 630.8031.11530.353M5.0*0.54.504.5994.459No 5-44(3.175)2.702.7402.551 1-1/2 - 634.0034.29033.528M5.5*0.55.005.0994.959No 6-40(3.506)2.903.0222.820 1-3/4 - 539.5039.82738.964M6.0*0.755.305.3785.188No 8-36(4.166)3.503.6063.4042 - 4-1/245.2045.59344.679M6.0*0.55.505.5505.400No 10-32(4.826)4.104.1653.963M7.0*0.756.306.3786.188No 12-28(5.846)4.604.7244.496M7.0*0.56.506.5506.4001/4 - 285.505.5885.360M8.0*1.07.007.1536.9175/16 - 246.907.0356.782M8.0*0.757.307.3787.1883/8 - 248.508.6368.382最大最小M8.0*0.57.507.5207.4007/16 - 209.9010.0339.729No 12 - 324.7004.8264.623M9.0*1.08.008.1537.9171/2 - 2011.5011.60711.3291/4 - 325.6005.6905.486M9.0*0.758.308.3788.1889/16 - 1812.9013.08112.7515/16 - 327.1007.2647.087M10*1.258.808.9128.6475/8 - 1814.5014.68114.3513/8 - 328.7008.8658.661M10*1.09.009.1538.9173/4 - 1617.5017.67817.3237/16 - 2810.20010.33810.135M10*0.759.309.3789.1887/8 - 1420.5020.57520.2701/2 - 2811.80011.93811.709M10*0.59.509.5209.4001 - 1223.2023.57123.1149/16 - 2413.20013.38613.132M11*1.010.0010.1538.9171-1/8 - 1226.5026.74626.2895/8 - 2414.80014.98614.732M11*0.7510.3010.37810.1881-1/4 - 1229.5029.92129.4643/4 - 2017.80017.95817.678M12*1.5010.5010.67610.3761-3/8 - 1232.8033.09632.6397/8 - 2021.00021.13320.853M12*1.2510.8010.91210.6471-1/2 - 1236.0036.27135.8141 - 2024.00024.30824.028公制迫牙丝攻钻孔径

很全的螺纹钻孔和滚压直径对照表，赶紧收藏吧

很全的螺纹钻孔和滚压直径对照表，赶紧收藏吧

很全的螺纹钻孔和滚压直径对照表，赶紧收藏吧

本表所推选钻头孔径，是针对攻⽛加⼯时，能够很容易的了解钻头直径，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，精度有很⼤影响，所以使⽤本表之钻孔径，若有不当之处，应实际状况适当的

变更钻头直径，本表依据2级⽛制订。

公 制 粗 螺 纹

规格标准径2级⽛钻孔径

最⼤最⼩M1.0×0.250.750.7850.729

M1.1×0.250.850.8850.829

M1.2×0.250.950.9850.929

M1.4×0.31.101.1421.075

M1.6×0.351.251.3211.221

M1.7×0.351.351.4211.321

M1.8×0.351.451.5211.421

M2.0×0.41.601.6791.567

M2.2×0.451.751.8381.713

M2.3×0.41.901.9791.867

M2.5×0.452.102.1382.013

M2.6×0.452.202.2382.113

M3.0×0.52.502.5992.459

M3.0×0.62.402.442.280

M3.5×0.62.903.0102.850

M4.0×0.73.303.4223.242

M4.0×0.753.253.3263.106

M4.5×0.753.803.8783.688

M5.0×0.84.204.3344.134

M5.0×0.94.104.1703.930

M6.0×1.05.005.1534.917

M7.0×1.06.006.1535.917

M8.0×1.256.806.9126.647

M9.0×1.257.807.9127.647

M10×1.58.508.6768.376

M11×1.59.509.6769.376

M12×1.7510.3010.44110.106

M14×2.012.0012.21011.735

螺丝攻牙径对照表(集合版)

螺丝攻牙径对照表(集合版)

最大最小最大最小

M1.0*0.250.750.7850.729M5.0*0.84.24.3344.134(螺丝牙外径）

M1.1*0.250.850.8850.829M6.0*1.055.1534.917No.0-80(1.524)

M1.2*0.250.950.9850.929M7.0*1.066.1535.917No.1-72(1.854)

M1.4*0.31.11.1421.075M8.0*1.256.86.9126.647No.2-64(2.184)

M1.6*0.351.251.3211.221M9.0*1.257.87.9127.647No.3-56(2.515)

M1.7*0.351.351.4211.321M10*1.58.58.6768.376No.4-48(2.845)

M1.8*0.351.451.5211.421M11*1.59.59.6769.376No.5-44(3.175)

M2.0*0.41.61.6791.567M12*1.7510.310.44110.106No.6-40(3.505)

M2.2*0.451.751.8381.713M14*2.01212.2111.835No.8-36(4.166)

M2.3*0.41.91.9791.867M16*2.01414.2113.835No.10-32(4.826)

M2.5*0.452.12.1382.013M18*2.515.515.74415.294No.12-28(5.846)M2.6*0.452.22.2382.113M20*2.517.517.74415.2942001/4/28

M3.0*0.52.52.5992.459M22*2.519.519.74419.2945/16 -24

M3.5*0.62.93.012.85M24*3.02121.25220.752

M4.0*0.73.33.4223.242M27*3.02424.25223.752