螺丝攻牙径对照表(集合版).xls

螺丝攻牙钻孔径和滚造径对照表 公 制 粗 螺 纹美 制 细 螺 纹 规格标准径 2级牙钻孔径 规格标准径 2级牙钻孔径 规格 （UNF) 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*1.055.1534.917 No.0- 80(1.524) M1.2*0.250.950.9850.929M7.0*1.066.1535.917 No.1- 72(1.854) M1.4*0.31.11.1421.075M8.0*1.256.86.9126.647 No.2- 64(2.184) M1.6*0.351.251.3211.221M9.0*1.257.87.9127.647 No.3- 56(2.515) M1.7*0.351.351.4211.321M10*1.58.58.6768.376 No.4- 48(2.845) M1.8*0.351.451.5211.421M11*1.59.59.6769.376 No.5- 44(3.175) M2.0*0.41.61.6791.567M12*1.7510.310.44110.106 No.6- 40(3.505) M2.2*0.451.751.8381.713M14*2.01212.2111.835 No.8- 36(4.166) M2.3*0.41.91.9791.867M16*2.01414.2113.835 No.10- 32(4.826) M2.5*0.452.12.1382.013M18*2.515.515.74415.294 No.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 M4.5*0.753.83.8783.688M30*3.526.526.77126.211 公 制 细 螺 纹美 制 粗 螺 纹 规格标准径 2级牙钻孔径 规格标准径 2级牙钻孔径 规格（UNF) 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*1.514.514.67614.376 No.1 - 64(1.854) M1.2*0.211.0210.983M16*1.01515.15314.917 No.2 - 56(2.184) M1.4*0.21.21.2211.183M17*1.515.515.67615.376 No.3 - 48(2.515) M1.6*0.21.41.4211.383M17*1.01616.15315.917 No.4 - 40(2.845) M1.7*0.21.451.51.46M18*2.01616.2115.835 No.5 - 40(3.175) M1.8*0.21.61.6211.583M18*1.516.516.67616.376 No.6 - 32(3.505) M2.0*0.251.751.7851.729M18*1.01717.15316.917 No.8 - 32(4.166) M2.2*0.251.951.9851.929M20*2.01818.2117.835 No.10- 24(4.826) M2.3*0.252.052.0612.001M20*1.518.518.67618.376 No.12- 24(5.486) M2.5*0.352.22.2212.121M20*1.01919.15318.9172001/4/20 M2.6*0.352.22.2462.186M22*2.02020.2119.8355/16 -18 M3.0*0.352.72.7212.621M22*1.520.520.67620.3762003/8/16 M3.5*0.353.23.2213.121M22*1.02121.15320.9177/16 -14 M4.0*0.53.53.5993.459M24*2.02222.2121.835 M4.5*0.544.0993.959M24*1.522.522.67622.376 美 制 特 粗 螺 纹 M5.0*0.54.54.5994.459M24*1.02323.15322.917 M5.5*0.555.0994.959M25*2.02323.2122.835 规格（UNF) M6.0*0.755.35.3785.188M25*1.523.523.67623.376 M6.0*0.55.55.555.4M25*1.02424.15323.917No.12-32 M7.0*0.756.36.3786.188M26*1.524.524.67624.3761/4 -32 M7.0*0.56.56.556.4M27*2.02525.2124.8355/16 -32 M8.0*1.077.1536.917M27*1.525.525.67625.3763/8 -32 M8.0*0.757.37.3787.188M27*1.02626.15325.9177/16 -28 M8.0*0.57.57.527.4M28*2.02626.2125.8352001/2/28 M9.0*1.088.1537.917M28*1.526.526.67626.376 M9.0*0.758.38.3788.188M28*1.02727.15326.917 公制迫牙丝攻钻孔径 M10*1.258.88.9128.647M30*3.02727.25226.752 M10*1.099.1538.917M30*2.02828.2127.835 规格 M10*0.759.39.3789.188M30*1.528.528.67628.376 M10*0.59.59.529.4M30*1.02929.15328.917M1.0*0.25 M11*1.01010.1539.917M32*2.03030.2129.835M1.1*0.25 M11*0.7510.310.37810.188M32*1.530.530.67630.376M1.2*0.25 M12*1.510.510.67610.376M33*3.03031.2130.835M1.4*0.3 M12*1.2510.810.91210.647M33*2.03131.2130.835M1.6*0.35 M12*1.01111.15310.917M33*1.531.531.67631.376M1.7*0.35 M12*0.511.511.5211.4M35*1.533.533.67633.376M1.8*0.35 M14*1.512.512.67612.376M36*3.03333.25232.752M2.0*0.4 M14*1.01313.15312.917M36*2.03434.2133.835M2.2*0.45 M15*1.513.513.67613.376M36*1.534.534.67634.376M2.3*0.4 M2.5*0.45 美制迫牙丝攻钻孔径M2.6*0.45 规格 精 度 等 级 规格 精 度 等 级注：迫牙丝攻之钻孔径，在上表所列之数值，由於被加工材料之材质、硬度、形状、尺寸等之影响，多少会 有所变动，因此於参考上表之同时，亦请增减若干。 G4-G6G7-G8G9G4-G6G7-G8G9 No. 2-56UNC2_ _ _No. 2-64UNC1.97_ _ _ 英 制 管 螺 纹 No. 3-482.23_ _ _No. 3-562.27_ _ _ No. 4-402.5_ _ _No. 4-482.56_ _ _ 规格 No. 5-402.83_ _ _No. 5-442.86_ _ _ No. 6-323.175_ _ _No. 6-403.16_ _ _PT 1/16 -28 No. 8-323.733.77_ _No. 8-363.78_ _ _PT 1/8 -28 No.10-244.244.3_ _No.10-324.394.43_ _PT 1/4 -19 No.12-244.94.96_ _No.12-284.995.04_ _PT 3/8 -19 2001/4/20_ _5.72_ _2001/4/285.855.9_ _PT 1/2 -14 5/16 -18_ _7.24_ _5/16 -247.367.41_ _PT 3/4 -14 2003/8/16_ _8.748.812003/8/24_ _9_ _PT 1 -11 7/16 -14_ _10.210.37/16 -20_ _10.4810.54PT 1-1/4-11 2001/2/13_ _11.2711.822001/2/20_ _12.0712.13PT 1-1/2-11 PT 2 -11 英 制 管 螺 纹美 制 管 螺 纹 规格标准径 钻孔径 规格 标准径 最 大最 小 N P T N P S 使用绞刀时不用绞刀时 PC 1/16 -286.56.6326.491/16 -276.16.256.35 RP 1/8 -288.58.6378.4952001/8/278.338.438.74 G 1/4 -1911.411.54911.3412001/4/1810.7211.1311.13 共 3/8 - 19 1515.05414.8462003/8/1814.2714.2714.68 用 1/2 -1418.518.77318.4892001/2/1417.4817.8618.26 前 3/4 - 14 2424.25923.9752003/4/1422.6323.0123.42 用 1 - 11 30.230.47130.1111 -11-1/228.5828.9829.36 PS 1-1/4-1138.839.13238.772 1-1/4 -11- 1/2 37.3137.6938.1 1-1/2-1144.845.02544.665 1-1/2 -11- 1/2 43.6644.0444.45 2月11日56.556.83656.4762 -11-1/255.5855.9656.36 英 制 螺 纹公 制 螺 纹 规格 钻孔径规格滚造径 硬材软材M3.0*0.52.63 - 2.60 W1/8 -402.652.6M3.0*0.62.56 - 2.53 W5/32 -323.253.2M3.5*0.63.06 - 3.03 W3/16 -243.753.7M4.0*0.73.49 - 3.45 W1/4 -205.15M4.5*0.753.96 - 3.92 W5/16 -186.66.5M5.0*0.84.43 - 4.38 W3/8 -1687.9M6.0*1.05.30 - 5.25 W7/16 -149.49.3M7.0*1.06.30 - 6.25 W1/2 -1210.710.5M8.0*1.07.28 - 7.23 W9/16 -1212.312M8.0*1.257.12 - 7.07 W5/8 -1113.713.5英 制 电 器 螺 纹 W3/4 -1016.716.5规格滚造径 W7/8 -919.519.32BA4.0-4.2 W1 -822.4223BA W1-1/8 -72524.84BA3.0-3.2 W1-1/4 -728.3285BA2.7-2.8 6BA2.4-2.5 规格标准径规格 标准径 2级牙钻孔径 规格标准径 2级牙钻孔径 最大最小最大最小 1.251.3051.1822003/8/248.58.6368.382 1.551.6121.4747/16 -209.910.0339.729 1.851.9121.7562001/2/2011.511.60711.329 2.12.1972.0259/16 -1812.913.08112.751 2.42.4582.2712005/8/1814.514.68114.351 2.72.742.5512003/4/1617.517.67817.323 2.93.0222.822007/8/1420.520.67520.27 3.53.6063.4041月12日23.223.57123.114 4.14.1653.9631-1/8-1226.526.74626.289 4.64.7244.4961-1/4-1229.529.92129.464 5.55.5885.361-3/8-1232.833.09632.639 6.97.0356.7821-1/2-123636.27135.814 标准径 2级牙钻孔径 规格标准径 2级牙钻孔径 最大最小最大最小 1.551.5821.4252001/2/1310.811.02310.592 1.81.8711.6959/16 -1212.212.44611.989 2.12.1461.9412005/8/1113.612.86813.386 2.32.3852.1572003/4/1016.518.8416.307 2.62.6972.4872007/8/919.519.76119.177 2.82.8952.6421月8日22.222.60621.971 3.43.533.3021-1/8-72525.34924.638 3.93.9623.6831-1/4-728.228.52427.813 4.54.5974.3441-3/8-630.831.11530.353 5.15.2574.9791-1/2-63434.2933.528 6.66.7316.4011-3/4-539.539.82738.964 螺丝攻牙钻孔径和滚造径对照表 美 制 细 螺 纹 美 制 粗 螺 纹 88.1537.7982 -4-1/245.245.59344.679 9.49.559.144 标准径 2级牙钻孔径 规格标准径 2级牙钻孔径 最大最小最大最小 4.74.8264.6239/16 -2413.213.38613.132 5.65.695.4862005/8/2414.814.98614.732 7.17.2647.0872003/4/2017.817.95817.678 8.78.8658.6612007/8/202121.13320.853 10.210.33810.1351月20日2424.30824.028 11.811.93811.709 精 度 等 级 规格 精 度 等 级 G4-G6G7-G8G9G4-G6G7-G8G9 0.860.88_ _M3.0*0.52.732.75_ _ 0.960.98_ _M3.5*0.63.173.2_ _ 1.061.08_ _M4.0*0.73.623.653.69 1.241.25_ _M5.0*0.84.564.64.64 1.411.43_ _M6.0*1.05.455.55.55 1.511.53_ _M7.0*1.06.456.56.55 1.611.63_ _M8.0*1.257.317.387.44 1.781.8_ _M10*1.59.189.259.32 1.951.98_ _M10*1.259.319.389.44 2.082.1_ _M12*1.7511.0411.1211.21 2.252.28_ _M12*1.2511.3111.3811.44 2.352.38_ _ 标准径 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 使用绞刀时不用绞刀时 6.16.26.2446.384 8.18.28.2498.388 10.71110.96211.174 14.214.514.44814.658 17.61817.97918.263 2