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C级全螺纹六角头螺栓 GB /T 5781 - 2016 |

螺纹规格 | P | a | c | da | dw | e | k | k1 | r | s | ||||
螺距 | 最大值 | 最小值 | 最大值 | 最大值 | 最小值 | 最小值 | 公称 | 最大值 | 最小值 | 最小值 | 最小值 |
最大值 =公称 |
最小值 | |
M5 | 0.8 | 2.4 | 0.8 | 0.5 | 6 | 6.74 | 8.63 | 3.5 | 3.875 | 3.125 | 2.19 | 0.2 | 8 | 7.64 |
M6 | 1 | 3 | 1 | 0.5 | 7.2 | 8.74 | 10.89 | 4 | 4.375 | 3.625 | 2.54 | 0.25 | 10 | 9.64 |
M8 | 1.25 | 4 | 1.25 | 0.6 | 10.2 | 11.47 | 14.2 | 5.3 | 5.675 | 4.925 | 3.45 | 0.4 | 13 | 12.57 |
M10 | 1.5 | 4.5 | 1.5 | 0.6 | 12.2 | 14.47 | 17.59 | 6.4 | 6.85 | 5.95 | 4.17 | 0.4 | 16 | 15.57 |
M12 | 1.75 | 5.3 | 1.75 | 0.6 | 14.7 | 16.47 | 19.85 | 7.5 | 7.95 | 7.05 | 4.94 | 0.6 | 18 | 17.57 |
(M14) | 2 | 6 | 2 | 0.6 | 16.7 | 19.15 | 22.78 | 8.8 | 9.25 | 8.35 | 5.85 | 0.6 | 21 | 20.16 |
M16 | 2 | 6 | 2 | 0.8 | 18.7 | 22 | 26.17 | 10 | 10.75 | 9.25 | 6.48 | 0.6 | 24 | 23.16 |
(M18) | 2.5 | 7.5 | 2.5 | 0.8 | 21.2 | 24.85 | 29.56 | 11.5 | 12.4 | 10.6 | 7.42 | 0.6 | 27 | 26.16 |
M20 | 2.5 | 7.5 | 2.5 | 0.8 | 24.4 | 27.7 | 32.95 | 12.5 | 13.4 | 11.6 | 8.12 | 0.8 | 30 | 29.16 |
(M22) | 2.5 | 7.5 | 2.5 | 0.8 | 26.4 | 31.35 | 37.29 | 14 | 14.9 | 13.1 | 9.17 | 0.8 | 34 | 33 |
M24 | 3 | 9 | 3 | 0.8 | 28.4 | 33.25 | 39.55 | 15 | 15.9 | 14.1 | 9.87 | 0.8 | 36 | 35 |
(M27) | 3 | 9 | 3 | 0.8 | 32.4 | 38 | 45.2 | 17 | 17.9 | 16.1 | 11.27 | 1 | 41 | 40 |
M30 | 3.5 | 10.5 | 3.5 | 0.8 | 35.4 | 42.75 | 50.85 | 18.7 | 19.75 | 17.65 | 12.36 | 1 | 46 | 45 |
(M33) | 3.5 | 10.5 | 3.5 | 0.8 | 38.4 | 46.55 | 55.37 | 21 | 22.05 | 19.95 | 13.97 | 1 | 50 | 49 |
M36 | 4 | 12 | 4 | 0.8 | 42.4 | 51.11 | 60.79 | 22.5 | 23.55 | 21.45 | 15.02 | 1 | 55 | 53.8 |
(M39) | 4 | 12 | 4 | 1 | 45.4 | 55.86 | 66.44 | 25 | 26.05 | 23.95 | 16.77 | 1 | 60 | 58.8 |
M42 | 4.5 | 13.5 | 4.5 | 1 | 48.6 | 59.95 | 71.3 | 26 | 27.05 | 24.95 | 17.47 | 1.2 | 65 | 63.1 |
(M45) | 4.5 | 13.5 | 4.5 | 1 | 52.6 | 64.7 | 76.95 | 28 | 29.05 | 26.95 | 18.87 | 1.2 | 70 | 68.1 |
M48 | 5 | 15 | 5 | 1 | 56.6 | 69.45 | 82.6 | 30 | 31.05 | 28.95 | 20.27 | 1.6 | 75 | 73.1 |
(M52) | 5 | 15 | 5 | 1 | 62.6 | 74.2 | 88.25 | 33 | 34.25 | 31.75 | 22.23 | 1.6 | 80 | 78.1 |
M56 | 5.5 | 16.5 | 5.5 | 1 | 67 | 78.66 | 93.56 | 35 | 36.25 | 33.75 | 23.63 | 2 | 85 | 82.8 |
(M60) | 5.5 | 16.5 | 5.5 | 1 | 71 | 83.41 | 99.21 | 38 | 39.25 | 36.75 | 25.73 | 2 | 90 | 87.8 |
M64 | 6 | 18 | 6 | 1 | 75 | 88.16 | 104.86 | 40 | 41.25 | 38.75 | 27.13 | 2 | 95 | 92.8 |