梯形螺纹基本尺寸表螺距2-5

梯形螺纹基本尺寸表外螺纹 公称 名义中 螺距 径 外径(d) 直径 内径(d1) (t) (d) (d2) 最小 最大 3s级最小 2 10 9.0 9.9 7.5 7.040 12 11.0 11.9 9.5 9.040 14 13.0 13.9 11.5 11.040 16 15.0 15.9 13.5 13.040 18 17.0 17.9 15.5 15.015 2 20 19.0 19.5 17.5 17.000 22 21.0 21.9 19.5 19.015 24 23.0 23.9 20.5 21.015 26 25.0 25.9 23.5 23.015 28 27.0 27.9 25.5 25.015 10 8.5 9.85 6.5 5.970 12 10.5 11.85 8.5 7.970 14 12.5 13.85 10.5 9.970 30 28.5 29.85 26.5 25.915 32 30.5 31.85 28.5 27.915 34 32.5 33.85 30.5 29.915 36 34.5 35.85 32.5 31.915 38 36.5 37.85 34.5 33.915 3 40 38.5 39.85 36.5 35.915 42 40.5 41.85 38.5 37.915 44 42.5 43.85 40.5 39.915 46 44.5 45.85 42.5 41.905 48 46.5 47.85 44.5 43.905 50 48.5 49.85 46.5 45.905 52 50.5 51.85 48.5 47.905 55 53.5 54.85 51.5 50.905 60 58.5 59.85 56.5 55.905 16 14.0 15.80 11.5 10.873 18 16.0 17.80 13.5 12.873 20 18.0 19.80 15.5 14.873 4 65 63.0 64.80 60.5 59.790 70 68.0 69.80 65.5 64.790 75 73.0 74.80 70.5 69.790 80 78.0 79.80 75.5 74.790 22 19.5 21.75 16.0 15.280 24 21.5 23.75 18.0 17.280 26 23.5 25.75 20.0 19.280 28 25.5 27.75 22.0 21.280 85 82.5 84.75 79.0 78.200 5 90 87.5 89.75 84.0 83.200 95 92.5 94.75 89.0 88.200 100 97.5 99.75 94.0 93.200 110 107.5 109.75 104.0 103.200 中径(d2) 外径d 3级最大 3级最小 ′ 8.966 8.540 10.5 10.966 10.540 12.5 12.966 12.540 14.5 14.966 14.540 16.5 16.966 16.515 18.5 18.000 18.515 20.5 20.966 20.515 22.5 22.966 22.515 24.5 24.966 24.515 26.5 26.966 26.515 28.5 8.463 7.970 10.5 10.463 9.970 12.5 12.463 11.970 14.5 28.463 27.915 30.5 30.463 29.915 32.5 32.463 31.915 34.5 34.463 33.915 36.5 36.463 35.915 38.5 38.463 37.915 40.5 40.463 39.915 42.5 42.463 41.915 44.5 44.463 43.905 46.5 46.463 45.905 48.5 48.463 47.905 50.5 50.463 49.905 52.5 53.463 52.905 55.5 58.463 57.905 60.5 13.955 13.373 16.5 15.955 15.373 18.5 17.955 17.373 20.5 62.955 62.290 65.5 67.955 67.290 70.5 72.955 72.290 75.5 77.955 77.290 80.5 19.448 18.780 23.0 21.448 20.780 25.0 23.448 22.780 27.0 25.448 24.780 29.0 82.448 81.700 86.0 87.448 86.700 91.0 92.448 91.700 96.0 97.448 96.700 101 107.000 106.700 111 内螺纹内经(d1) 内径(d′1) 中径(d′2) 3级最大 最小 最大 2级最大 8 8.10 9.262 9.328 10 10.10 11.262 11.328 12 12.10 13.262 13.328 14 14.10 15.262 15.328 16 16.10 17.280 17.355 18 18.10 19.280 19.355 20 20.10 21.280 21.355 22 22.10 23.280 23.355 24 24.10 25.280 25.355 26 26.10 27.280 27.355 7 7.15 8.795 8.872 9 9.15 10.795 10.872 11 11.15 12.795 12.872 27 27.15 28.855 28.928 29 29.15 30.855 30.928 31 31.15 32.855 32.928 33 33.15 34.855 34.928 35 35.15 36.855 36.928 37 37.15 38.855 38.928 39 39.15 40.855 40.928 41 41.15 42.855 42.928 43 43.15 44.855 44.940 45 45.15 46.855 46.940 47 47.15 48.855 48.940 49 49.15 50.855 50.940 52 52.15 53.855 53.940 57 57.15 58.855 58.940 12 12.20 14.355 14.440 14 14.20 16.355 16.440 16 16.20 18.355 18.440 61 61.20 63.418 63.520 66 66.20 68.418 68.520 71 71.20 73.418 73.520 76 76.20 78.418 78.520 17 17.25 19.910 20.015 19 19.25 21.

910 22.015 21 21.25 23.910 24.015 23 23.25 25.910 26.015 80 80.25 82.978 83.095 85 85.25 87.978 88.095 90 90.25 92.978 93.095 95 95.25 97.978 98.095 105 105.25 107.978 108.095