最大最小最大最小最大最小最大最小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)1.251.3051.1822003/8/248.58.6368.382M1.2*0.250.950.9850.929M7.0*1.066.1535.917No.1-72(1.854)1.551.6121.4747/16 -209.910.0339.729M1.4*0.31.11.1421.075M8.0*1.256.86.9126.647No.2-64(2.184)1.851.9121.7562001/2/2011.511.60711.329M1.6*0.351.251.3211.221M9.0*1.257.87.9127.647No.3-56(2.515)2.12.1972.0259/16 -1812.913.08112.751M1.7*0.351.351.4211.321M10*1.58.58.6768.376No.4-48(2.845)2.42.4582.2712005/8/1814.514.68114.351M1.8*0.351.451.5211.421M11*1.59.59.6769.376No.5-44(3.175)2.72.742.5512003/4/1617.517.67817.323M2.0*0.41.61.6791.567M12*1.7510.310.44110.106No.6-40(3.505)2.93.0222.822007/8/1420.520.67520.27M2.2*0.451.751.8381.713M14*2.01212.2111.835No.8-36(4.166)3.53.6063.4041月12日23.223.57123.114M2.3*0.41.91.9791.867M16*2.01414.2113.835No.10-32(4.826)4.14.1653.9631-1/8-1226.526.74626.289M2.5*0.452.12.1382.013M18*2.515.515.74415.294No.12-28(5.846)4.64.7244.4961-1/4-1229.529.92129.464M2.6*0.452.22.2382.113M20*2.517.517.74415.2942001/4/285.55.5885.361-3/8-1232.833.09632.639M3.0*0.52.52.5992.459M22*2.519.519.74419.2945/16 -246.97.0356.7821-1/2-123636.27135.814M3.5*0.62.93.012.85M24*3.02121.25220.752M4.0*0.73.33.4223.242M27*3.02424.25223.752M4.5*0.753.83.8783.688M30*3.526.526.77126.211最大最小最大最小最大最小最大最小M1.0*0.20.80.8210.783M15*1.01414.15313.917(螺丝牙外径）M1.1*0.20.90.9210.883M16*1.514.514.67614.376No.1 -64(1.854)1.551.5821.4252001/2/1310.811.02310.592M1.2*0.211.0210.983M16*1.01515.15314.917No.2 -56(2.184)1.81.8711.6959/16 -1212.212.44611.989M1.4*0.21.21.2211.183M17*1.515.515.67615.376No.3 -48(2.515)2.12.1461.9412005/8/1113.612.86813.386M1.6*0.21.41.4211.383M17*1.01616.15315.917No.4 -40(2.845)2.32.3852.1572003/4/1016.518.8416.307M1.7*0.21.451.51.46M18*2.01616.2115.835No.5 -40(3.175)2.62.6972.4872007/8/919.519.76119.177M1.8*0.21.61.6211.583M18*1.516.516.67616.376No.6 -32(3.505)2.82.8952.6421月8日22.222.60621.971M2.0*0.251.751.7851.729M18*1.01717.15316.917No.8 -32(4.166)3.43.533.3021-1/8-72525.34924.638M2.2*0.251.951.9851.929M20*2.01818.2117.835No.10-24(4.826)3.93.9623.6831-1/4-728.228.52427.813M2.3*0.252.052.0612.001M20*1.518.518.67618.376No.12-24(5.486)4.54.5974.3441-3/8-630.831.11530.353M2.5*0.352.22.2212.121M20*1.01919.15318.9172001/4/205.15.2574.9791-1/2-63434.2933.528M2.6*0.352.22.2462.186M22*2.02020.2119.8355/16 -186.66.7316.4011-3/4-539.539.82738.964M3.0*0.352.72.7212.621M22*1.520.520.67620.3762003/8/1688.1537.7982 -4-1/245.245.59344.679M3.5*0.353.23.2213.121M22*1.02121.15320.9177/16 -149.49.559.144M4.0*0.53.53.5993.459M24*2.02222.2121.835M4.5*0.544.0993.959M24*1.522.522.67622.376M5.0*0.54.54.5994.459M24*1.02323.15322.917M5.5*0.555.0994.959M25*2.02323.2122.835M6.0*0.755.35.3785.188M25*1.523.523.67623.376最大最小最大最小M6.0*0.55.55.555.4M25*1.02424.15323.917No.12-324.74.8264.6239/16 -2413.213.38613.132M7.0*0.756.36.3786.188M26*1.524.524.67624.3761/4 -325.65.695.4862005/8/2414.814.98614.732M7.0*0.56.56.556.4M27*2.02525.2124.8355/16 -327.17.2647.0872003/4/2017.817.95817.678M8.0*1.077.1536.917M27*1.525.525.67625.3763/8 -328.78.8658.6612007/8/202121.13320.853M8.0*0.757.37.3787.188M27*1.02626.15325.9177/16 -2810.210.33810.1351月20日2424.30824.028M8.0*0.57.57.527.4M28*2.02626.2125.8352001/2/2811.811.93811.709M9.0*1.088.1537.917M28*1.526.526.67626.376M9.0*0.758.38.3788.188M28*1.02727.15326.917M10*1.258.88.9128.647M30*3.02727.25226.752M10*1.099.1538.917M30*2.02828.2127.835M10*0.759.39.3789.188M30*1.528.528.67628.376G4-G6G7-G8G9G4-G6G7-G8G9M10*0.59.59.529.4M30*1.02929.15328.917M1.0*0.250.860.88_ _M3.0*0.52.732.75_ _M11*1.01010.1539.917M32*2.03030.2129.835M1.1*0.250.960.98_ _M3.5*0.63.173.2_ _M11*0.7510.310.37810.188M32*1.530.530.67630.376M1.2*0.251.061.08_ _M4.0*0.73.623.653.69M12*1.510.510.67610.376M33*3.03031.2130.835M1.4*0.31.241.25_ _M5.0*0.84.564.64.64M12*1.2510.810.91210.647M33*2.03131.2130.835M1.6*0.351.411.43_ _M6.0*1.05.455.55.55M12*1.01111.15310.917M33*1.531.531.67631.376M1.7*0.351.511.53_ _M7.0*1.06.456.56.55M12*0.511.511.5211.4M35*1.533.533.67633.376M1.8*0.351.611.63_ _M8.0*1.257.317.387.44M14*1.512.512.67612.376M36*3.03333.25232.752M2.0*0.41.781.8_ _M10*1.59.189.259.32M14*1.01313.15312.917M36*2.03434.2133.835M2.2*0.451.951.98_ _M10*1.259.319.389.44M15*1.513.513.67613.376M36*1.534.534.67634.376M2.3*0.42.082.1_ _M12*1.7511.0411.1211.21M2.5*0.452.252.28_ _M12*1.2511.3111.3811.44M2.6*0.452.352.38_ _G4-G6G7-G8G9G4-G6G7-G8G9No. 2-56UNC2_ __ _No. 2-64UNC1.97_ __ _No. 3-482.23_ __ _No. 3-562.27_ __ _No. 4-402.5_ __ _No. 4-482.56_ __ _No. 5-402.83_ __ _No. 5-442.86_ __ _使用绞刀时不用绞刀时No. 6-323.175_ __ _No. 6-403.16_ __ _6.16.2No. 8-323.733.77_ _No. 8-363.78_ __ _8.18.2No.10-244.244.3_ _No.10-324.394.43_ _10.711No.12-244.94.96_ _No.12-284.995.04_ _14.214.52001/4/20_ _5.72_ _2001/4/285.855.9_ _17.6185/16 -18_ _7.24_ _5/16 -247.367.41_ _2323.52003/8/16_ _8.748.812003/8/24_ _9_ _2929.57/16 -14_ _10.210.37/16 -20_ _10.4810.5437.5382001/2/13_ _11.2711.822001/2/20_ _12.0712.1343.44454.955.5使用绞刀时不用绞刀时PC 1/16 -286.56.6326.491/16 -276.16.256.35RP 1/8 -288.58.6378.4952001/8/278.338.438.74G 1/4 -1911.411.54911.3412001/4/1810.7211.1311.13共 3/8 -191515.05414.8462003/8/1814.2714.2714.68用 1/2 -1418.518.77318.4892001/2/1417.4817.8618.26前 3/4 -142424.25923.9752003/4/1422.6323.0123.42用 1 -1130.230.47130.1111 -11-1/228.5828.9829.36PS 1-1/4-1138.839.13238.7721-1/4 -11-1/237.3137.6938.11-1/2-1144.845.02544.6651-1/2 -11-1/243.6644.0444.452月11日56.556.83656.4762 -11-1/255.5855.9656.36硬材软材W1/8 -402.652.6W5/32 -323.253.2W3/16 -243.753.7W1/4 -205.15W5/16 -186.66.5W3/8 -1687.9W7/16 -149.49.3W1/2 -1210.710.5W9/16 -1212.312W5/8 -1113.713.5W3/4 -1016.716.5W7/8 -919.519.3W1 -822.422W1-1/8 -72524.8W1-1/4 -728.328螺丝攻牙钻孔径和滚造径对照表公 制 粗 螺 纹美 制 细 螺 纹2级牙钻孔径2级牙钻孔径2级牙钻孔径2级牙钻孔径规格规格标准径
螺纹下孔径表
公制粗牙螺纹
JIS B 0209-1982(單位：mm)
螺纹尺寸 钻头直径 崁合度區分：中(注1)2級(注2)
下孔径 崁合度區分：中(註1)2級(註2)
內螺纹小径
最小直径 最大直径
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 1.321
1.8 ×
0.35 1.45 1.52 (75%) 1.421 1.521
2 × 0.4 1.6 1.65 (80%) 1.567 1.679
2.2 ×
0.45 1.75 1.83 (75%) 1.713 1.838
2.5 ×
0.45 2.1 2.13 (75%) 2.013 2.138
3 × 0.5 2.5 2.59 (75%) 2.459 2.599 3.5 × 0.6 2.9 3.01 (75%) 2.850 3.010
4 × 0.7 3.3 3.39 (80%) 3.242 3.422
4.5 ×
0.75 3.8 3.85 (80%) 3.688 3.878
5 × 0.8 4.2 4.31 (80%) 4.134 4.334
6 × 1 5 5.13 (80%) 4.917 5.153
7 × 1 6 6.13 (80%) 5.917 6.153
8 × 1.25 6.8 6.85 (85%) 6.647 6.912
9 × 1.25 7.8 7.85 (85%) 7.647 7.912
10 × 1.5 8.5 8.62 (85%) 8.376 8.676
最大最小最大最小最大最小M1.0 0.250.750.7850.729M1.0 0.20.800.8210.783M15 1.014.0014.15313.917M1.1 0.250.850.8850.829M1.1 0.20.900.9210.883M16 1.514.5014.67614.376M1.2 0.250.950.9850.929M1.2 0.21.001.0210.983M16 1.015.0015.15314.917M1.4 0.31.101.1421.075M1.4 0.21.201.2211.183M17 1.515.5015.67615.376M1.6 0.351.251.3211.221M1.6 0.21.401.4211.383M17 1.016.0016.15315.917M1.7 0.351.351.4211.321M1.7 0.21.451.5001.460M18 2.016.0016.21015.835M1.8 0.351.451.5211.421M1.8 0.21.601.6211.583M18 1.516.5016.67616.376M2.0 0.41.601.6791.567M2.0 0.251.751.7851.729M18 1.017.0017.15316.917M2.2 0.451.751.8381.713M2.2 0.251.951.9851.929M20 2.018.0018.21017.835M2.3 0.41.901.9791.867M2.3 0.252.052.0612.001M20 1.518.5018.67618.376M2.5 0.452.102.1382.013M2.5 0.352.202.2212.121M20 1.019.0019.15318.917M2.6 0.452.202.2382.113M2.6 0.352.202.2462.186M22 2.020.0020.21019.835M3.0 0.52.502.5992.459M3.0 0.352.702.7212.621M22 1.520.5020.67620.376M3.5 0.62.903.0102.850M3.5 0.353.203.2213.121M22 1.021.0021.15320.917M4.0 0.73.303.4223.242M4.0 0.53.503.5993.459M24 2.022.0022.21021.835M4.5 0.753.803.8783.688M4.5 0.54.004.0993.959M24 1.522.5022.67622.376M5.0 0.84.204.3344.134M5.0 0.54.504.5994.459M24 1.023.0023.15322.917M6.0 1.05.005.1534.917M5.5 0.55.005.0994.959M25 2.023.0023.21022.835M7.0 1.06.006.1535.917M6.0 0.755.305.3785.188M25 1.523.5023.67623.376M8.0 1.256.806.9126.647M6.0 0.55.505.5505.400M25 1.024.0024.15323.917M9.0 1.257.807.9127.647M7.0 0.756.306.3786.188M26 1.524.5024.67624.376M10 1.58.508.6768.376M7.0 0.56.506.5506.400M27 2.025.0025.21024.835M11 1.59.509.6769.376M8.0 1.07.007.1536.917M27 1.525.5025.67625.376M12 1.7510.3010.44110.106M8.0 0.757.307.3787.188M27 1.026.0026.15325.917M14 2.012.0012.21011.835M8.0 0.57.507.5207.400M28 2.026.0026.21025.835M16 2.014.0014.21013.835M9.0 1.08.008.1537.917M28 1.526.5026.67626.376M18 2.515.5015.74415.294M9.0 0.758.308.3788.188M28 1.027.0027.15326.917M20 2.517.5017.74417.294M10 1.258.808.9218.647M30 3.027.0027.25226.752M22 2.519.5019.74419.294M10 1.09.009.1538.917M30 2.028.0028.21027.835M24 3.021.0021.25220.752M10 0.759.309.3789.188M30 1.528.5028.67628.376M27 3.024.0024.25223.752M10 0.59.509.5209.400M30 1.029.0029.15328.917M30 3.526.5026.77126.211M11 1.010.0010.1539.917M32 2.030.0030.21029.835M33 3.529.5029.77129.211M11 0.7510.3010.37810.188M32 1.530.5030.67630.376M36 4.032.0032.27031.670M12 1.510.5010.67610.376M33 3.030.0030.25229.752M39 4.035.0035.27034.670M12 1.2510.8010.91210.647M33 2.031.0031.21030.835M12 1.011.0011.15310.917M33 1.531.5031.67631.376M12 0.515.0011.52011.400M35 1.533.5033.67633.376M14 1.512.5012.67612.376M36 3.033.0033.25232.752M14 1.013.0013.15312.917M36 2.034.0034.21033.835M15 1.513.5013.67613.376M36 1.534.5034.67634.376螺 纹 攻 牙 钻 孔 径 对 照 表
攻 牙 前 使 用 钻 头 之 孔 径 对 照 表
公制牙60º 钻头孔径 公制牙60º 钻头孔径 美制牙60º 钻头孔径 英制牙55º 钻头孔径
M 1 × 0.25
" 1.2×0.25
" 1.4×0.3
" 1.6×0.35
" 1.7×0.35
" 2 ×0.4 0.78
0.98
1.14
1.32
1.42
1.67 M 12 ×1.75
" 13 ×1
" 13 ×1.5
" 14 ×1
" 14 ×1.5
" 14 ×2 10.5
12.05
11.55
13.2
12.7
12.3 No. 1 - 64UNC
" 2 - 56 "
" 3 - 48 "
" 4 - 40 "
" 5 - 40 "
" 6 - 32 " 1.51
1.8
2.06
2.3
2.64
2.82 W 1/16 - 60
" 3/32 - 48
" 1/8 - 40
" 5/32 - 32
" 3/16 - 24
" 7/32 - 24 1.3
1.9
2.6
3.2
3.8
4.5
M 2.3×0.4
" 2.5×0.45
" 2.6×0.45
" 3 ×0.35
" 3 ×0.5
" 3 ×0.6 1.97
2.12
2.22
2.72
2.59
2.42 M 15 ×1
" 15 ×1.5
" 16 ×1
" 16 ×1.5
" 16 ×2
" 17 ×1 14.2
13.7
15.2
14.7
14.3
16.2 No. 8 - 32 UNC
" 10 - 24 "
" 12 - 24 "
1/4 - 20 "
5/15 - 18 "
3/8 - 16 " 3.5
