标准粗牙螺纹底孔表
序号 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 螺纹 M6 M7 M8 M9 M10 M11 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 底孔直径 4.917 5.917 6.647 7.647 8.376 9.376 10.106 11.835 13.835 15.294 17.294 19.294 20.752 23.752 26.211 29.211 31.670 34.670 37.129 40.129 42.587 46.587 50.046 54.046 57.505 61.505 螺距 1 1 1.25 1.25 1.5 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6 6 上偏差 +0.236 +0.236 +0.265 +0.265 +0.300 +0.300 +0.335 +0.375 +0.375 +0.450 +0.450 +0.450 +0.500 +0.500 +0.560 +0.560 +0.600 +0.600 +0.670 +0.670 +0.710 +0.710 +0.750 +0.750 +0.800 +0.800 下偏差 +0.026 +0.026 +0.028 +0.028 +0.032 +0.032 +0.034 +0.038 +0.038 +0.042 +0.042 +0.042 +0.048 +0.048 +0.053 +0.053 +0.060 +0.060 +0.063 +0.063 +0.071 +0.071 +0.075 +0.075 +0.080 +0.080
标准粗牙螺纹底孔表
序号 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 螺纹 M6 M7 M8 M9 M10 M11 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 底孔直径 4.917 5.917 6.647 7.647 8.376 9.376 10.106 11.835 13.835 15.294 17.294 19.294 20.752 23.752 26.211 29.211 31.670 34.670 37.129 40.129 42.587 46.587 50.046 54.046 57.505 61.505 螺距 1 1 1.25 1.25 1.5 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6 6 上偏差 +0.236 +0.236 +0.265 +0.265 +0.300 +0.300 +0.335 +0.375 +0.375 +0.450 +0.450 +0.450 +0.500 +0.500 +0.560 +0.560 +0.600 +0.600 +0.670 +0.670 +0.710 +0.710 +0.750 +0.750 +0.800 +0.800 下偏差 +0.026 +0.026 +0.028 +0.028 +0.032 +0.032 +0.034 +0.038 +0.038 +0.042 +0.042 +0.042 +0.048 +0.048 +0.053 +0.053 +0.060 +0.060 +0.063 +0.063 +0.071 +0.071 +0.075 +0.075 +0.080 +0.080