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1、螺纹毛坯直径与钻头直径选用表公称直径D螺距P螺孔毛坯直径D1钻头直径d2公称直径D螺距P螺孔毛坯直径D1钻头直径d2公称直径D螺距P螺孔毛坯直径D1钻头直径d2基本尺寸极限偏差基本尺寸极限偏差基本尺寸极限偏差5H6H7H5H6H7H5H6H7H11.21.41.61.80.20.790.991.191.391.59+0.04 0 _ _0.81.01.21.41.61214161820220.511.4813.4815.4817.4819.48+0.09 0+0.12 0+0.16 011.5013.5015.5017.5019.5021.506*7*810121416182022242730
2、333639424548525660646872768014.965.966.968.9610.9612.9614.9616.9618.9620.9622.9625.9628.9631.9634.9637.9640.9643.9646.9650.9654.9658.9662.9666.9670.9674.9678.96+0.15 0+0.19 0+0.26 05.006.007.009.0011.0013.0015.0017.0019.0021.0023.0026.0029.0032.0035.0038.0041.0044.0047.00 _ _ _ _ _ _ _ _1*1.2*22.20.
3、250.740.941.741.94+0.04 0+0.06 0 _0.750.951.751.953.5*0.62.88+0.10 0+0.13 0+0.17 02.904*0.63.27+0.11 0+0.15 0+0.19 03.301.4*0.31.09+0.05 0+0.07 0 _1.106810121416182022242730330.755.227.229.2211.2213.2215.2217.2219.2221.2223.2226.2229.2232.22+0.12 0+0.12 0+0.20 05.207.209.2011.2013.2015.2017.2019.202
4、1.2023.2026.2029.2032.201.6*1.8*2.533.50.351.241.442.142.643.14+0.06 0+0.08 0 _1.251.452.152.653.152*0.41.58+0.07 0+0.10 0 _1.602.2*2.5*0.451.732.03+0.08 0+0.10 0 -1.752.053*4568100.52.483.484.485.487.489.48+0.09 0+0.12 0+0.16 02.503.504.505.507.509.505*0.84.17+0.13 0+0.17 0+0.22 04.20公称直径D螺距P螺孔毛坯直径
5、D1钻头直径d2公称直径D螺距P螺孔毛坯直径D1钻头直径d2公称直径D螺距P螺孔毛坯直径D1钻头直径d2基本尺寸极限偏差基本尺寸极限偏差基本尺寸极限偏差5H6H7H5H6H7H5H6H7H8*9*10121.256.707.708.7010.70+0.15 0+0.20 0+0.27 06.77.78.710.78590951001051101151201251301351401451501.583.4488.4493.4498.44103.44108.44113.44118.44123.44128.44133.44138.44143.44148.44+0.17 0+0.23 0+0.31 0
6、_ _ _ _ _ _ _ _ _ _ _485256606468727680859095100105110115120125130135140145150245.949.953.957.961.965.969.973.977.982.987.992.997.9102.9107.9112.9117.9122.9127.9132.9137.9142.9147.9 +0.24 0+0.30 0+0.40 046.050.0 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _10*11*12141618202224273033363942454852566064687
7、276801.58.449.4410.4412.4414.4416.4418.4420.4422.44.25.4428.4431.4434.4437.4440.4443.4446.4450.4454.4458.4462.4466.4470.4474.4478.44+0.17 0+0.23 0+0.31 08.59.510.512.514.516.518.520.522.525.528.531.534.537.540.543.546.5 _ _ _ _ _ _12*1.7510.17 +0.19 0 +0.27 0+0.35 010.214*161820222427303336394245211
8、.9013.9015.9017.9019.9021.9024.9027.9030.9033.9036.9039.9042.90 +0.24 0+0.30 0+0.40 012.014.016.018.020.022.025.028.031.034.037.040.043.018*20*22*2.515.3717.3719.37 +0.28 0+0.38 0+0.49 015.417.419.424*27*3033320.8323.8326.8329.83+0.32 0+0.42 0+0.55 020.923.926.929.9公称直径D螺距P螺孔毛坯直径D1钻头直径d2公称直径D螺距P螺孔毛坯
9、直径D1钻头直径d2 粗牙螺纹汇总M1X0.25 M1.2X0.25 M1.4X0.3 M1.6X0.35 M1.8X0.35 M2X0.4 M2.2X0.45 M2.5X0.45 M3X0.5 M3.5X0.6 M4X0.7 M5X0.8 M6X1 M7X1 M8X1.25 M9X1.25 M10X1.5 M11X1.5 M12X1.75 M14X2 M16X2 M18X2.5 M20X2.5 M22X2.5 M24X3 M27X3 M30X3.5 M33X3.5 M36X4 M39X4 M42X4.5 M45X4.5 M48X5M52X5 M56X5.5 M60X5.5 M64X6 M68X6基本尺寸极限偏差基本尺寸极限偏差5H6H7H5H6H7H36394245485256606468
