代号 大径 最大 R5-04 R5-05 R5-06 R5-08 R5-10 R5-12 R5-16 R5-20 R5-24 R5-32 2A-04 2A-06 2A-08 2A-10 2A-12 2A-16 2A-20 9/32*32 46/127*28 107/254*28 9/16*24 11/16*24 13/16*20 1.1/16*18 1.5/16*18 1.9/16*18 2*18 7/16*20 9/16*18 5/8*18 3/4*18 7/8*18 1.3/16*16 1.9/16*18 7.120 9.197 10.685 14.257 17.432 20.599 26.952 33.299 39.649 50.762 11.079 14.252 15.839 19.014 22.189 30.124 39.649 最小 6.967 9.032 10.520 14.074 17.249 20.399 26.731 33.078 39.428 50.541 10.874 14.031 15.618 18.793 21.968 29.870 39.428 最大 6.604 8.608 10.095 13.569 16.744 19.779 26.035 32.382 38.732 49.845 10.254 13.335 14.923 18.098 21.273 29.093 38.732 外螺纹 中径 最小 6.523 8.516 10.004 13.470 16.642 19.667 25.916 32.258 38.605 49.715 10.147 13.221 14.803 17.981 21.156 28.964 38.605 6.175 8.115 9.603 12.997 16.172 19.347 25.273 31.620 37.970 49.083 9.568 12.573 14.161 17.336 20.511 28.232 37.970 小径 最小 6.294 8.234 9.735 13.132 16.307 19.253 25.451 31.801 38.151 49.276 9.728 12.751 14.351 17.526 20.701 28.448 38.151 小径 最大 6.472 8.463 9.938 13.386 16.561 19.558 25.781 32.131 38.481 49.606 10.033 13.081 14.681 17.856 21.031 28.804 38.481 最小 6.629 8.636 10.123 13.599 16.774 19.812 26.071 32.421 38.771 49.883 10.287 13.371 14.958 18.133 21.308 29.131 38.771 内螺纹 公差等级 2B 中径 最大 6.736 8.753 10.240 13.729 16.906 19.982 26.228 32.581 38.936 50.053 10.424 13.520 15.110 18.285 21.460 29.299 38.936 7.145 9.225 10.713 14.288 17.463 20.638 26.988 33.338 39.688 50.800 11.113 14.288 15.875 19.050 22.225 30.163 39.688 大径 新西兰 B09 内螺纹 标号 你螺纹代号 大径 MIN 中径 MIN 中径 MAX 小径 MIN 小径 MAX B-09 0.860in*14 21.844 20.683 20.841 19.522 NPTF+密封管螺纹 标号 螺纹代号 外螺纹 小端中 径9.233 12.126 15.545 19.264 24.579 30.826 39.551 45.621 57.633 69.076 84.852 外螺纹 大端中 径9.652 12.764 16.193 20.111 25.445 31.910 40.673 46.769 58.834 70.882 86.757 外螺纹 小端大 径最小 9.871 13.128 16.547 20.616 25.931 32.474 41.199 47.269 59.281 71.476 87.252 外螺纹 小端大 径最大 9.960 13.215 16.634 20.703 26.018 32.562 41.287 47.357 59.369 71.559 87.335 外螺纹 全牙长 度6.703 10.206 10.358 13.556 13.861 17.343 17.953 18.377 19.215 28.893 30.480 内螺纹 大端中 径9.489 12.487 15.926 19.772 25.117 31.461 40.218 46.287 58.325 70.159 86.068 内螺纹 小端中 径9.058 11.862 15.281 18.926 24.239 30.411 39.136 45.207 57.219 68.481 84.257 内螺纹 大端小 径最小 8.763 11.398 14.837 18.333 23.678 29.725 38.482 44.551 56.589 67.676 83.585 内螺纹 大端小 径最大 8.851 11.486 14.924 18.420 23.768 29.813 38.570 44.640 56.677 67.759 83.668 内螺纹 全牙长 度6.924 10.020 10.330 13.571 14.054 16.787 17.295 17.295 17.701 26.848 28.981 2 4 6 8 12 16 20 24 32 40 48 1/8-27