螺丝攻牙钻孔径对照表

公 制 粗 螺 纹规　格标准径２级牙钻孔径最　大M1.0 0.25M1.1 0.25M1.2 0.25M1.4 0.3M1.6 0.35M1.7 0.35M1.8 0.35M2.0 0.4M2.2 0.45M2.3 0.4M2.5 0.45M2.6 0.45公 制 细 螺 纹２级牙钻孔径规　 格标准径最　大M12 1.0英 制 螺 纹钻 孔 径规 格硬 材W1/8 --40W5/32 --32W3/16 --24 W1/4 --20W5/16 --18W3/8 --16W7/16 --14W1/2 --12W9/16 --12W5/8 --11W3/4 --10W7/8 --92.653.253.755.16.689.410.712.313.716.719.5软材2.63.23.756.57.99.310.51213.516.519.3公制迫牙丝攻钻孔径规 格M1.0 0.25M1.2 0.25M1.4 0.30M1.6 0.35M1.7 0.35M1.8 0.35M2.0 0.40M2.2 0.45M2.3 0.40M2.5 0.45M2.6 0.45M3.0 0.50M3.5 0.60精度G4G4G4G4G4G4G4G5G4G5G5G5G5最 大0.921.111.31.471.571.671.842.042.142.342.442.823.27最 小0.891.091.261.431.521.621.791.982.092.272.372.753.19最　小0.7291111.512.51313.51414.51515.5161616.5最　小10.91711.412.37612.91713.37613.91714.37614.91715.37615.91715.83516.3760.750.850.951.11.251.351.451.61.751.92.12.20.7850.8850.9851.1421.3211.4211.5211.6791.8381.9792.1382.23811.15311.5212.67613.15313.67614.15314.67615.15315.67616.15316.2116.6760.829M12 0.50.9291.0751.2211.3211.4211.5671.7131.8672.0132.113M14 1.5M14 . 1.0M15 1.5M15 1.0M16 1.5M16 1.0M17 1.5M17 1.0M18 2.0M18 1.5M3.0 0.5M3.5 0.6M4.0 0.7M4.5 0.75M5.0 0.8M6.0 1.0M7.0 1.0M8.0 1.25M9.0 1.25M10 1.5M11 1.5M12 1.75M14 2.0M16 2.0M18 2.52.52.93.33.84.2566.87.88.59.510.3121415.52.5993.013.4223.8784.3345.1536.1536.9127.9128.6769.6762.4592.853.2423.6884.1344.9175.9176.6477.6478.3769.376M18 1.0M20 2.0M20 1.5M20 1.0M22 2.0M22 1.5M22 1.0M24 2.0M24 1.5M24 1.0M25 2.0171818.5192020.5212222.5232323.52424.52517.15318.2118.67619.15320.2120.67621.15322.2122.67623.15323.2123.67624.15324.67625.2116.91717.83518.37618.91719.835W1 --8W1-1/8 --7W1-1/4 --722.42528.32224.828M4.0 0.70M5.0 0.80M6.0 1.0M7.0 1.0M8.0 1.25G6G6G7G7G7G7G7G8G93.724.675.596.597.499.349.4911.2311.53.654.595.496.487.369.229.3511.0911.36美 制 管 螺 纹20.37620.91721.83522.376规 格钻 孔 径N P TN P S用铰刀不用铰刀M10 1.50M10 1.25M12 1.75M12 1.2522.9171/16 --275.9422.8351/8 --278.336.158.436.358.7410.44110.106M25 1.512.2114.2111.835M25 1.013.835M26 1.5针 车 用 螺 纹23.3761/4 --1810.7211.1323.9173/8 --1814.2714.2724.3761/2 --1417.4817.8624.8353/4 --1422.6323.0111.1314.6818.2623.42规 格SM1/16 --80SM5/64 --64标准径最 大1.251.551.2811.593最 小1.2111.51315.74415.294M27 2.0M20 2.5M22 2.5M24 3.0M27 3.0M30 3.5M33 3.5M36 4.0M39 4.017.519.5212426.529.5323517.74417.294M27 1.519.74419.294M27 1.021.25220.752M28 2.024.25223.752M28 1.526.77126.211M28 1.029.77129.211M30 3.032.2735.2731.6734.67M30 2.0M30 1.5M30 1.025.5262626.527272828.5293030.5303131.533.525.67626.15326.2126.67627.15327.25228.2128.67629.15330.2130.67630.25231.2131.67633.67625.3761 --11-1/228.5828.9825.9171-1/4--11-1/237.3137.6925.8351-1/2--11-1/243.2643.6626.3762 --11-1/255.1755.5826.91726.75229.3638.144.4556.36SM3/32 --56SM3/32--1001.92.12.32.52.52.62.72.93.53.73.63.83.91.9362.1561.8412.081SM1/8 --32SM1/8 -- 40SM1/8 --44SM1/8 --48[2.393][2.233]2.5512.6052.6572.4212.4852.547英 制 管 螺 纹27.83528.376PS 规 格标准径最大最小SM9/64 --32SM9/64 --40SM11/64--32[2.790][2.630]2.9483.5843.7423.6583.8443.984.1384.7742.8183.4243.6123.4983.6843.824.0084.61428.917[新规格Rp]29.8351/16 --2830.3761/8 --286.58.56.6328.6376.498.495公 制 细 螺 纹M32 2.0M32 1.5SM11/64--40SM3/16 --24规　格标准径２级牙钻孔径M33 3.029.7521/4 --1911.411.54911.341SM3/16 --2830.8353/8 --1914.915.05414.846SM3/16 --32最　大M1.0 0.2M1.1 0.2最　小M33 2.00.7830.883M33 1.5M35 1.50.80.90.8210.92131.3761/2 --1418.618.77318.489SM3/16 --404.0533.3763/4 --142424.25923.975SM7/32 --324.7M1.2 0.2M1.4 0.2M1.6 0.2M1.7 0.2M1.8 0.211.21.41.451.61.751.952.052.22.22.73.23.51.0211.2211.4211.51.6211.7851.9852.0612.2212.2462.7213.2213.5990.9831.1831.3831.461.5831.7291.9292.0012.1212.1862.6213.1213.459M36 3.0M36 2.0M36 1.5333434.533.25234.2134.67632.7521 --1130.230.47230.11SM15/64--2855.25.45.65.76.26.36.86.97.77.98.59.35.0555.2665.4525.7265.8246.2566.4446.8647.057.8438.0538.6379.444.8755.0865.2725.5965.6346.0666.2546.6746.867.6537.8438.4479.2233.8351-1/4 --1138.839.13338.771SM1/4 --2434.3761-1/2 --1144.745.02644.664SM1/4 --282 --1156.556.83756.475SM1/4 --40PF 规 格标准径最大[新规格G]1/16 --28最小SM9/32 --20M2.0 0.25SM9/32 --28M2.2 0.256.78.711.76.8438.84811.896.498.566SM5/16 --18M2.3 0.251/8 --28SM5/16 --24M2.5 0.351/4 --1911.445SM5/16 --2814.95SM11/32--28M2.6 0.353/8 --1915.215.3951921M3.0 0.351/2 --1419.17218.631SM3/8 --1821.12820.587SM3/8 --28M3.5 0.355/8 --14M4.0 0.53/4 --1424.524.65824.117SM7/16 --16M4.5 0.544.555.35.56.36.577.37.588.38.894.0994.5995.0995.3785.556.3786.557.0637.3787.558.1538.3788.9129.1533.9594.4594.9595.1885.46.1886.46.9177.1887.47.9178.1888.6478.9177/8 --1428.228.41827.887SM7/16 --2810.130.630.93130.291SM1/2 --1210.335.235.57934.939SM1/2 --2011.339.239.59238.952SM1/2 --2811.745515745.48544.845SM9/16 --2012.951.42850.78857.29656.65610.22410.03410.4211.4110.1811.19M5.0 0.5M5.5 0.5M6.0 0.75M6.0 0.5M7.0 0.75M7.0 0.51 --111-1/8 --111-1/4 --111-1/2 --111-3/4 --1111.81211.62213.01812.7782 --11M8.0 1.0M8.0 0.75M8.0 0.5M9.0 1.0M9.0 0.75M10 1.25M10 1.0M10 0.75M10 0.5M11 1.0M11 0.75M12 1.5M12 1.259.39.51010.310.510.89.3789.5210.1539.1889.49.91710.37810.18810.67610.37610.91210.647