梯形螺纹基本尺寸对照表(2018修改版)

18 16.0 17.80 13.5 12.873 15.955 15.373 18.5 14 14.20 16.355
20 18.0 19.80 15.5 14.873 17.955 17.373 20.5 16 16.20 18.355 4 65 63.0 64.80 60.5 59.790 62.955 62.290 65.5 61 61.20 63.418
22 21.0 21.9 19.5 19.015 20.966 20.515 22.5 20 20.10 21.280
24 23.0 23.9 20.5 21.015 22.966 22.515 24.5 22 22.10 23.280
26 25.0 25.9 23.5 23.015 24.966 24.515 26.5 24 24.10 25.280
108.095
螺距 （P)
公称 直径 (d)
名义 中径 （dFra Baidu bibliotek)
梯形螺纹（内外螺纹）基本尺寸表
外螺纹
内螺纹
螺距 （P)
公称 直径 (d)
名义 中径 （d2)
大径(d) 最小
小径（d3)
中径(d2)
最大 3s级最小 2 3级最大 3级最小
大径 D4
小径(D1) 最小 最大
中径（D2) 2级最大 3级最大
8.966 8.540 10.5 8 8.10 9.262 10.966 10.540 12.5 10 10.10 11.262
14 13.0 13.9 11.5 11.040 12.966 12.540 14.5 12 12.10 13.262
16 15.0 15.9 13.5 13.040 14.966 14.540 16.5 14 14.10 15.262 18 17.0 17.9 15.5 15.015 16.966 16.515 18.5 16 16.10 17.280 2 20 19.0 19.5 17.5 17.000 18.000 18.515 20.5 18 18.10 19.280
29.7 23 22.200 31.7 25 24.200 33.7 27 26.000 35.7 29 28.200 37.7 31 30.200 39.7 33 32.200 41.7 35 34.200 119.7 113 112.115 129.7 123 122.115 139.7 133 132.115 149.7 143 142.115 21.6 13 12.080 23.6 15 14.080 25.6 17 16.080 27.6 19 18.080 43.6 35 34.040 45.6 37 36.040 47.6 39 38.040 49.6 41 40.040 51.6 43 42.040 54.6 46 45.040 59.6 51 50.040 159.6 151 149.968 169.6 161 159.968 179.6 171 169.968 189.6 181 179.968 29.5 19 17.958 31.5 21 19.958 33.5 23 21.958 35.5 25 23.958 37.5 27 25.958 39.5 29 27.958 41.5 31 29.958 64.5 54 52.910 69.5 59 57.910 74.5 64 62.910 79.5 69 67.910 199.5 189 187.872 209.5 199 197.872 219.5 209 207.872
48 46.5 47.85 44.5 43.905 46.463 45.905 48.5 45 45.15 46.855
50 48.5 49.85 46.5 45.905 48.463 47.905 50.5 47 47.15 48.855
52 50.5 51.85 48.5 47.905 50.463 49.905 52.5 49 49.15 50.855
70 68.0 69.80 65.5 64.790 67.955 67.290 70.5 66 66.20 68.418
75 73.0 74.80 70.5 69.790 72.955 72.290 75.5 71 71.20 73.418
80 78.0 79.80 75.5 74.790 77.955 77.290 80.5 76 76.20 78.418
14 12.5 13.85 10.5 9.970 12.463 11.970 14.5 11 11.15 12.795
30 28.5 29.85 26.5 25.915 28.463 27.915 30.5 27 27.15 28.855
32 30.5 31.85 28.5 27.915 30.463 29.915 32.5 29 29.15 30.855
30 27 32 29 34 31 36 33 38 35 6 40 37 42 39 120 117 130 127 140 137 150 147 22 18 24 20 26 22 28 24 44 40 46 42 48 44 8 50 46 52 48 55 51 60 56 160 156 170 166 180 176 190 186 30 25 32 27 34 29 36 31 38 33 40 35 10 42 37 65 60 70 65 75 70 80 75 200 195 210 205 220 215
34 32.5 33.85 30.5 29.915 32.463 31.915 34.5 31 31.15 32.855
36 34.5 35.85 32.5 31.915 34.463 33.915 36.5 33 33.15 34.855
38 36.5 37.85 34.5 33.915 36.463 35.915 38.5 35 35.15 36.855 3 40 38.5 39.85 36.5 35.915 38.463 37.915 40.5 37 37.15 38.855
95 92.5 94.75 89.0 88.200 92.448 91.700 96.0 90 90.25 92.978
100 97.5 99.75 94.0 93.200 97.448 96.700 101 95 95.25 97.978
110 107.5 109.75 104.0 103.200 107.000 106.700 111 105 105.25 107.978
28 25.5 27.75 22.0 21.280 25.448 24.780 29.0 23 23.25 25.910
5 85 82.5 84.75 79.0 78.200 82.448 81.700 86.0 80 80.25 82.978 90 87.5 89.75 84.0 83.200 87.448 86.700 91.0 85 85.25 87.978
22 19.5 21.75 16.0 15.280 19.448 18.780 23.0 17 17.25 19.910
24 21.5 23.75 18.0 17.280 21.448 20.780 25.0 19 19.25 21.910
26 23.5 25.75 20.0 19.280 23.448 22.780 27.0 21 21.25 23.910
9.328 11.328 13.328 15.328 17.355 19.355 21.355 23.355 25.355 27.355 8.872 10.872 12.872 28.928 30.928 32.928 34.928 36.928 38.928 40.928 42.928 44.940 46.940 48.940 50.940 53.940 58.940 14.440 16.440 18.440 63.520 68.520 73.520 78.520 20.015 22.015 24.015 26.015 83.095 88.095 93.095 98.095
28 27.0 27.9 25.5 25.015 26.966 26.515 28.5 26 26.10 27.280
10 8.5 9.85 6.5 5.970 8.463 7.970 10.5 7 7.15 8.795
12 10.5 11.85 8.5 7.970 10.463 9.970 12.5 9 9.15 10.795
55 53.5 54.85 51.5 50.905 53.463 52.905 55.5 52 52.15 53.855
60 58.5 59.85 56.5 55.905 58.463 57.905 60.5 57 57.15 58.855
16 14.0 15.80 11.5 10.873 13.955 13.373 16.5 12 12.20 14.355
24 24.3 27.465 26 26.3 29.465 28 28.3 31.465 30 30.3 33.465 32 32.3 35.465 34 34.3 37.465 36 36.3 39.465 114 114.3 117.530 124 124.3 127.530 134 134.3 137.530 144 144.3 147.530 14 14.4 18.520 16 16.4 20.520 18 18.4 22.520 20 20.4 24.520 36 36.4 40.550 38 38.4 42.550 40 40.4 44.550 42 42.4 46.550 44 44.4 48.550 47 47.4 51.550 52 52.4 56.550 152 152.4 156.615 162 162.4 166.615 172 172.4 176.615 182 182.4 186.615 20 20.5 25.605 22 22.5 27.605 24 24.5 29.605 26 26.5 31.605 28 28.5 33.605 30 30.5 35.605 32 32.5 37.605 55 55.5 60.635 60 60.5 65.635 65 65.5 70.635 70 70.5 75.635 190 190.5 195.665 200 200.5 205.665 210 210.5 215.665
26.200 31 28.200 33 30.200 35 32.200 37 34.200 39 36.200 41 38.200 43 116.115 121 126.115 131 136.115 141 146.115 151 17.080 23 19.080 25 21.080 27 23.080 29 39.040 45 41.040 47 43.040 49 45.040 51 47.040 53 50.040 56 55.040 61 154.968 161 164.968 171 174.968 181 184.968 191 23.958 31 25.958 33 27.958 35 29.958 37 31.958 39 33.958 41 35.958 43 58.910 66 63.910 71 68.910 76 73.910 81 193.872 201 203.872 211 213.872 221
42 40.5 41.85 38.5 37.915 40.463 39.915 42.5 39 39.15 40.855
44 42.5 43.85 40.5 39.915 42.463 41.915 44.5 41 41.15 42.855
46 44.5 45.85 42.5 41.905 44.463 43.905 46.5 43 43.15 44.855
梯形螺纹（内外螺纹）基本尺寸表
螺距 （P)
公称 直径 (d)
名义 中径 （d2)
大径(d) 最小
外螺纹 小径（d3)
中径(d2)
最大 3s级最小 2 3级最大 3级最小
大径 D4
内螺纹
小径(D1)
中径（D2)
最小 最大 2级最大 3级最大
10 9.0 9.9 7.5 7.040 12 11.0 11.9 9.5 9.040
26.94 28.94 30.94 32.00 34.00 36.00 38.00 116.00 126.00 136.00 146.00 17.00 19.00 21.00 23.00 39.00 41.00 43.00 45.00 47.00 50.00 55.00 155.00 165.00 175.00 185.00 24.00 26.00 28.00 30.00 32.00 34.00 36.00 59.00 64.00 69.00 75.00 194.00 204.00 214.00