普通螺纹攻丝前底孔尺寸(in)

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1、普通螺纹攻丝前底孔尺寸螺纹的直径和螺距钻孔直径车孔直径螺纹的直径和螺距钻孔直径车孔直径铸铁青铜钢黄铜直径公差铸铁青铜钢黄铜直径公差M4*0.7M4*0.53.33.53.33.5M27**3M27*223.724.723.924.923.5+0.3M5*0.8M5*0.54.14.44.24.5M27*1.5M27*125.325.825.526M6*1M6*0.754.95.155.24.9-+0.3M30*3.5M30*32626.726.226.926+0.3M8*1.25M8*16.66.96.776.6-+0.2M30*2M30*1.52

2、7.728.327.928.5M10*1.5M10*1.25M10*18.48.68.98.58.798.3--+0.25M33*3.5M33*3M33*22929.730.729.229.930.929+0.3M12*1.75M12*1.5M12*1.25M12*110.110.410.610.910.210.510.71110+0.25M33*1.5M36*4M36*3M36*1.531.331.532.734.331.531.732.934.5-31.432.534.3-+0.3+0.17+0.17M14*2M14*1.5M14*111.81

3、2.412.911.912.51311.7+0.3M39*4M39*3M39*1.534.635.737.334.835.937.534.435.537.3+0.3+0.17+0.17M16*2M16*1.5M16*113.814.414.913.914.51513.7+0.3M42*4.5M42*3M42*1.537.138.740.337.338.940.536.838.540.3+0.3+0.17+0.17M18*2.5M18*2M18*1.5M18*115.315.816.416.915.415.916.51715.1+0.3M45*4.5

4、M45*3M45*1.54041.843.340.24243.539.841.543.3+0.3+0.17+0.17M20*2.5M20*2M20*1.5M20*117.217.718.318.817.417.918.51917.1+0.3M48*5M48*3M48*1.542.544.846.342.74546.542.244.546.3+0.3+0.17+0.17M22*2.5M22*2M22*1.5M22*119.219.720.320.819.419.920.52119.1+0.3M52*5M52*3M52*1.546.448.850.34

5、6.64950.546.248.550.2+0.3+0.17+0.17M24*3M24*2M24*120.721.722.820.921.92320.5+0.3M56*5.5M56*4M56*2------49.751.453.7+0.3+0.2+0.22王万桃2013-11-15普通及英制螺纹底孔钻孔尺寸螺纹的直径和螺距车孔直径螺纹的直径和螺距说明车孔直径直径公差直径公差M60*5.5M60*4M60*253.755.457.7+0.3+0.2+0.2M105*4M105*2P—螺距d—螺纹公称直径d—螺纹底孔直径P<1时d＝d-PP>1时d王万

6、桃2013-11-14＝d-(1.04~1.08)P100.4102.7+0.23+0.23M64*6M64*4M64*257.159.461.7+0.3+0.2+0.2M110*4M110*2105.4107.7+0.23+0.23M68*6M68*4M68*261.163.465.7+0.3+0.2+0.2M115*4M115*2M160*3*110.4112.7156.5+0.23+0.23+0.26M72*4M72*267.469.7+0.2+0.2M120*4M120*2115.4117.7+0.23+0.23M76*4M76*271.4

7、73.7+0.2+0.2M125*4M125*2120.4122.7+0.26+0.26M80*4M80*275.477.7+0.2+0.2M130*4M130*2125.4127.7+0.26+0.26M85*4M85*280.482.7+0.23+0.23M135*4M135*2130.4132.7+0.26+0.26M90*4M90*285.487.7+0.23+0.23M140*4M140*2135.4137.7+0.26+0.26M95*4M95*290.492.7+0.23+0.23M145*4M145*2140.4142.7+0.26

8、+0.26M100*4M100*295.497.7+0.23+0.23M150*4M150*2145.4147.7+0.2