本標準依據GB/T 192-2003和GB/T 193-2003規定了普通螺紋（一般用途米制螺紋）的基本尺寸。適用于一般用途的機械緊固螺紋聯接，其螺紋本身不具有密封功能。
單位:mm
| 公稱直徑（大徑） D、d | 螺距 P | 中徑 D2、d2 | 小徑 D1、d1 |
| 1 | 0.25 | 0.838 | 0.729 |
| 0.2 | 0.87 | 0.783 | |
| 1.1 | 0.25 | 0.938 | 0.829 |
| 0.2 | 0.97 | 0.883 | |
| 1.2 | 0.25 | 1.038 | 0.929 |
| 0.2 | 1.07 | 0.983 | |
| 1.4 | 0.3 | 1.205 | 1.075 |
| 0.2 | 1.27 | 1.183 | |
| 1.6 | 0.35 | 1.373 | 1.221 |
| 0.2 | 1.47 | 1.383 | |
| 1.8 | 0.35 | 1.573 | 1.421 |
| 0.2 | 1.67 | 1.583 | |
| 2 | 0.4 | 1.74 | 1.567 |
| 0.25 | 1.838 | 1.729 | |
| 2.2 | 0.45 | 1.908 | 1.713 |
| 0.25 | 2.038 | 1.929 | |
| 2.5 | 0.45 | 2.208 | 2.013 |
| 0.35 | 2.273 | 2.121 | |
| 3 | 0.5 | 2.675 | 2.459 |
| 0.35 | 2.773 | 2.621 | |
| 3.5 | 0.6 | 3.11 | 2.85 |
| 0.35 | 3.273 | 3.121 | |
| 4 | 0.7 | 3.545 | 3.242 |
| 0.5 | 3.675 | 3.459 | |
| 4.5 | 0.75 | 4.013 | 3.688 |
| 0.5 | 4.175 | 3.959 | |
| 5 | 0.8 | 4.48 | 4.134 |
| 0.5 | 4.675 | 4.459 | |
| 5.5 | 0.5 | 5.175 | 4.959 |
| 6 | 1 | 5.35 | 4.917 |
| 0.75 | 5.513 | 5.188 | |
| 7 | 1 | 6.35 | 5.917 |
| 0.75 | 6.513 | 6.188 | |
| 8 | 1.25 | 7.188 | 6.647 |
| 1 | 7.35 | 6.917 | |
| 0.75 | 7.513 | 7.188 | |
| 9 | 1.25 | 8.188 | 7.647 |
| 1 | 8.35 | 7.917 | |
| 0.75 | 8.513 | 8.188 | |
| 10 | 1.5 | 9.026 | 8.376 |
| 1.25 | 9.188 | 8.647 | |
| 1 | 9.35 | 8.917 | |
| 0.75 | 9.513 | 9.188 | |
| 11 | 1.5 | 10.026 | 9.376 |
| 1 | 10.35 | 9.917 | |
| 0.75 | 10.513 | 10.188 | |
| 12 | 1.75 | 10.863 | 10.106 |
| 1.5 | 11.026 | 10.376 | |
| 1.25 | 11.188 | 10.647 | |
| 1 | 11.35 | 10.917 | |
| 14 | 2 | 12.701 | 11.835 |
| 1.5 | 13.026 | 12.376 | |
| 1.25 | 13.188 | 12.647 | |
| 1 | 13.35 | 12.917 | |
| 15 | 1.5 | 14.026 | 13.376 |
| 1 | 14.35 | 13.917 | |
| 16 | 2 | 14.701 | 13.835 |
| 1.5 | 15.026 | 14.376 | |
| 1 | 15.35 | 14.917 | |
| 17 | 1.5 | 16.026 | 15.376 |
| 1 | 16.35 | 15.917 | |
| 18 | 2.5 | 16.376 | 15.294 |
| 2 | 16.701 | 15.835 | |
| 1.5 | 17.026 | 16.376 | |
| 1 | 17.35 | 16.917 | |
| 20 | 2.5 | 18.376 | 17.294 |
| 2 | 18.701 | 17.835 | |
| 1.5 | 19.026 | 18.376 | |
| 1 | 19.35 | 18.917 | |
| 22 | 2.5 | 20.376 | 19.294 |
| 2 | 20.701 | 19.835 | |
| 1.5 | 21.026 | 20.376 | |
| 1 | 21.35 | 20.917 | |
| 24 | 3 | 22.051 | 20.752 |
| 2 | 22.701 | 21.835 | |
| 1.5 | 23.026 | 22.376 | |
| 1 | 23.35 | 22.917 | |
| 25 | 2 | 23.701 | 22.835 |
| 1.5 | 24.026 | 23.376 | |
| 1 | 24.35 | 23.917 | |
| 26 | 1.5 | 25.026 | 24.376 |
| 27 | 3 | 25.051 | 23.752 |
| 2 | 25.701 | 24.835 | |
| 1.5 | 26.026 | 25.376 | |
| 1 | 26.35 | 25.917 | |
| 28 | 2 | 26.701 | 25.835 |
| 1.5 | 27.026 | 26.376 | |
| 1 | 27.35 | 26.917 | |
| 30 | 3.5 | 27.727 | 26.211 |
| 3 | 28.051 | 26.752 | |
| 2 | 28.701 | 27.835 | |
| 1.5 | 29.026 | 28.376 | |
| 1 | 29.35 | 28.917 | |
| 32 | 2 | 30.701 | 29.835 |
| 1.5 | 31.026 | 30.376 | |
| 33 | 3.5 | 30.727 | 29.211 |
| 3 | 31.051 | 29.752 | |
| 2 | 31.701 | 30.835 | |
| 1.5 | 32.026 | 31.376 | |
| 35 | 1.5 | 34.026 | 33.376 |
| 36 | 4 | 33.402 | 31.67 |
| 3 | 34.051 | 32.752 | |
| 2 | 34.701 | 33.835 | |
| 1.5 | 35.026 | 34.376 | |
| 38 | 1.5 | 37.026 | 36.376 |
| 39 | 4 | 36.402 | 34.67 |
| 3 | 37.051 | 35.752 | |
| 2 | 37.701 | 36.835 | |
| 1.5 | 38.026 | 37.376 | |
| 40 | 3 | 38.051 | 36.752 |
| 2 | 38.701 | 37.835 | |
| 1.5 | 39.026 | 38.376 | |
| 42 | 4.5 | 39.077 | 37.129 |
| 4 | 39.402 | 37.67 | |
| 3 | 40.051 | 38.752 | |
| 2 | 40.701 | 39.835 | |
| 1.5 | 41.026 | 40.376 | |
| 45 | 4.5 | 42.077 | 40.129 |
| 4 | 42.402 | 40.67 | |
| 3 | 43.051 | 41.752 | |
| 2 | 43.701 | 42.835 | |
| 1.5 | 44.026 | 43.376 | |
| 48 | 5 | 44.752 | 42.587 |
| 4 | 45.402 | 43.67 | |
| 3 | 46.051 | 44.752 | |
| 2 | 46.701 | 45.835 | |
| 1.5 | 47.026 | 46.375 | |
| 50 | 3 | 48.051 | 46.752 |
| 2 | 48.701 | 47.835 | |
| 1.5 | 49.026 | 48.376 | |
| 52 | 5 | 48.752 | 46.587 |
| 4 | 49.402 | 47.67 | |
| 3 | 50.051 | 48.752 | |
| 2 | 50.701 | 49.835 | |
| 1.5 | 51.026 | 50.376 | |
| 55 | 4 | 52.402 | 50.67 |
| 3 | 53.051 | 51.752 | |
| 2 | 53.701 | 52.835 | |
| 1.5 | 54.026 | 53.376 | |
| 56 | 5.5 | 52.428 | 50.046 |
| 4 | 53.402 | 51.67 | |
| 3 | 54.051 | 52.752 | |
| 2 | 54.701 | 53.835 | |
| 1.5 | 55.026 | 54.376 | |
| 58 | 4 | 55.402 | 53.67 |
| 3 | 56.051 | 54.752 | |
| 2 | 56.701 | 55.835 | |
| 1.5 | 57.026 | 56.376 | |
| 60 | 5.5 | 56.428 | 54.046 |
| 4 | 57.402 | 55.67 | |
| 3 | 58.051 | 56.752 | |
| 2 | 58.701 | 57.835 | |
| 1.5 | 59.026 | 58.376 | |
| 62 | 4 | 59.402 | 57.67 |
| 3 | 60.051 | 58.752 | |
| 2 | 60.701 | 59.835 | |
| 1.5 | 61.026 | 60.376 | |
| 64 | 6 | 60.103 | 57.505 |
| 4 | 61.402 | 59.67 | |
| 3 | 62.051 | 60.752 | |
| 2 | 62.701 | 61.835 | |
| 1.5 | 63.026 | 62.376 | |
| 65 | 4 | 62.402 | 60.67 |
| 3 | 63.051 | 61.752 | |
| 2 | 63.701 | 62.835 | |
| 1.5 | 64.026 | 63.376 | |
| 68 | 6 | 64.103 | 61.505 |
| 4 | 65.402 | 63.67 | |
| 3 | 66.051 | 64.752 | |
| 2 | 66.701 | 65.835 | |
| 1.5 | 67.026 | 66.376 | |
| 70 | 6 | 66.103 | 63.505 |
| 4 | 67.402 | 65.67 | |
| 3 | 68.051 | 66.752 | |
| 2 | 68.701 | 67.835 | |
| 1.5 | 69.026 | 68.376 | |
| 72 | 6 | 68.103 | 65.505 |
| 4 | 69.402 | 67.67 | |
| 3 | 70.051 | 68.752 | |
| 2 | 70.701 | 69.835 | |
| 1.5 | 71.026 | 70.376 | |
| 75 | 4 | 72.402 | 70.67 |
| 3 | 73.051 | 71.752 | |
| 2 | 73.701 | 72.835 | |
| 1.5 | 74.026 | 73.376 | |
| 76 | 6 | 72.103 | 69.505 |
| 4 | 73.402 | 71.67 | |
| 3 | 74.051 | 72.752 | |
| 2 | 74.701 | 73.835 | |
| 1.5 | 75.026 | 74.376 | |
| 78 | 2 | 76.7 | 75.835 |
| 80 | 6 | 76.103 | 73.505 |
| 4 | 77.402 | 75.67 | |
| 3 | 78.051 | 76.752 | |
| 2 | 78.701 | 77.835 | |
| 1.5 | 79.026 | 78.376 | |
| 82 | 2 | 80.701 | 79.835 |
| 85 | 6 | 81.103 | 78.505 |
| 4 | 82.402 | 80.67 | |
| 3 | 83.051 | 81.752 | |
| 2 | 83.701 | 82.835 | |
| 90 | 6 | 86.103 | 83.505 |
| 4 | 87.402 | 85.67 | |
| 3 | 88.051 | 86.752 | |
| 2 | 88.701 | 87.835 | |
| 95 | 6 | 91.103 | 88.505 |
| 4 | 92.402 | 90.67 | |
| 3 | 93.051 | 91.752 | |
| 2 | 93.701 | 92.835 | |
| 100 | 6 | 96.103 | 93.505 |
| 4 | 97.402 | 95.67 | |
| 3 | 98.051 | 96.752 | |
| 2 | 98.701 | 97.835 | |
| 105 | 6 | 101.103 | 98.505 |
| 4 | 102.402 | 100.67 | |
| 3 | 103.051 | 101.752 | |
| 2 | 103.701 | 102.835 | |
| 110 | 6 | 106.103 | 103.505 |
| 4 | 107.402 | 105.67 | |
| 3 | 108.051 | 106.752 | |
| 2 | 108.701 | 107.835 | |
| 115 | 6 | 111.103 | 108.505 |
| 4 | 112.402 | 110.67 | |
| 3 | 113.051 | 111.752 | |
| 2 | 113.701 | 112.835 | |
| 120 | 6 | 116.103 | 113.505 |
| 4 | 117.402 | 115.67 | |
| 3 | 118.051 | 116.752 | |
| 2 | 118.701 | 117.835 | |
| 125 | 6 | 121.103 | 118.505 |
| 4 | 122.402 | 120.67 | |
| 3 | 123.051 | 121.752 | |
| 2 | 123.701 | 122.835 | |
| 130 | 6 | 126.103 | 123.505 |
| 4 | 127.402 | 125.67 | |
| 3 | 128.051 | 126.752 | |
| 2 | 128.701 | 127.835 | |
| 135 | 6 | 131.103 | 128.505 |
| 4 | 132.402 | 130.67 | |
| 3 | 133.051 | 131.752 | |
| 2 | 133.701 | 132.835 | |
| 140 | 6 | 136.103 | 133.505 |
| 4 | 137.402 | 135.67 | |
| 3 | 138.051 | 136.752 | |
| 2 | 138.701 | 137.835 | |
| 145 | 6 | 141.103 | 138.505 |
| 4 | 142.402 | 140.67 | |
| 3 | 143.051 | 141.752 | |
| 2 | 143.701 | 142.835 | |
| 150 | 8 | 144.804 | 141.34 |
| 6 | 146.103 | 143.505 | |
| 4 | 147.402 | 145.67 | |
| 3 | 148.051 | 146.752 | |
| 2 | 148.701 | 147.835 | |
| 155 | 6 | 151.103 | 148.505 |
| 4 | 152.402 | 150.67 | |
| 3 | 153.051 | 151.752 | |
| 160 | 8 | 154.804 | 151.34 |
| 6 | 156.103 | 153.505 | |
| 4 | 157.402 | 155.67 | |
| 3 | 158.051 | 156.752 | |
| 165 | 6 | 161.103 | 158.505 |
| 4 | 162.402 | 160.67 | |
| 3 | 163.051 | 161.752 | |
| 170 | 8 | 164.804 | 161.34 |
| 6 | 166.103 | 163.505 | |
| 4 | 167.402 | 165.67 | |
| 3 | 168.051 | 166.752 | |
| 175 | 6 | 171.103 | 168.505 |
| 4 | 172.402 | 170.67 | |
| 3 | 173.051 | 171.752 | |
| 180 | 8 | 174.804 | 171.34 |
| 6 | 176.103 | 173.505 | |
| 4 | 177.402 | 175.67 | |
| 3 | 178.051 | 176.752 | |
| 185 | 6 | 181.103 | 178.505 |
| 4 | 182.402 | 180.67 | |
| 3 | 183.051 | 181.752 | |
| 190 | 8 | 184.804 | 181.34 |
| 6 | 186.103 | 183.505 | |
| 4 | 187.402 | 185.67 | |
| 3 | 188.051 | 186.752 | |
| 195 | 6 | 191.103 | 188.505 |
| 4 | 192.402 | 190.67 | |
| 3 | 193.051 | 191.752 | |
| 200 | 8 | 194.804 | 191.34 |
| 6 | 196.103 | 193.505 | |
| 4 | 197.402 | 195.67 | |
| 3 | 198.051 | 196.752 | |
| 205 | 6 | 201.103 | 198.505 |
| 4 | 202.402 | 200.67 | |
| 3 | 203.051 | 201.752 | |
| 210 | 8 | 204.804 | 201.34 |
| 6 | 206.103 | 203.505 | |
| 4 | 207.402 | 205.67 | |
| 3 | 208.051 | 206.752 | |
| 215 | 6 | 211.103 | 208.505 |
| 4 | 212.402 | 210.67 | |
| 3 | 213.051 | 211.752 | |
| 220 | 8 | 214.804 | 211.34 |
| 6 | 216.103 | 213.505 | |
| 4 | 217.402 | 215.67 | |
| 3 | 218.051 | 216.752 | |
| 225 | 6 | 221.103 | 218.505 |
| 4 | 222.402 | 220.67 | |
| 3 | 223.051 | 221.752 | |
| 230 | 8 | 224.804 | 221.34 |
| 6 | 226.103 | 223.505 | |
| 4 | 227.402 | 225.67 | |
| 3 | 228.051 | 226.752 | |
| 235 | 6 | 231.103 | 228.505 |
| 4 | 232.402 | 230.67 | |
| 3 | 233.051 | 231.752 | |
| 240 | 8 | 234.804 | 231.34 |
| 6 | 236.103 | 233.505 | |
| 4 | 237.402 | 235.67 | |
| 3 | 238.051 | 236.752 | |
| 245 | 6 | 241.103 | 238.505 |
| 4 | 242.402 | 240.67 | |
| 3 | 243.051 | 241.752 | |
| 250 | 8 | 244.804 | 241.34 |
| 6 | 246.103 | 243.505 | |
| 4 | 247.402 | 245.67 | |
| 3 | 248.051 | 246.752 | |
| 255 | 6 | 251.103 | 248.505 |
| 4 | 252.402 | 250.67 | |
| 260 | 8 | 254.804 | 251.34 |
| 6 | 256.103 | 253.505 | |
| 4 | 257.402 | 255.67 | |
| 265 | 6 | 261.103 | 258.505 |
| 4 | 262.402 | 260.67 | |
| 270 | 8 | 264.804 | 261.34 |
| 6 | 266.103 | 263.505 | |
| 4 | 267.402 | 265.67 | |
| 275 | 6 | 271.103 | 268.505 |
| 4 | 272.402 | 270.67 | |
| 280 | 8 | 274.804 | 271.34 |
| 6 | 276.103 | 273.505 | |
| 4 | 277.402 | 275.67 | |
| 285 | 6 | 281.103 | 278.505 |
| 4 | 282.402 | 280.67 | |
| 290 | 8 | 284.804 | 281.34 |
| 6 | 286.103 | 283.505 | |
| 4 | 287.402 | 285.67 | |
| 295 | 6 | 291.103 | 288.505 |
| 4 | 292.402 | 290.67 | |
| 300 | 8 | 294.804 | 291.34 |
| 6 | 296.103 | 293.505 | |
| 4 | 297.402 | 295.67 |
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