| Size Inch | O.D. MM | 10G (3.25) | 12G(2.64) | 14G(2.03) | 16G(1.62) | 18G(1.21) | 20G(0.91) | 22G(0.71) |
|---|---|---|---|---|---|---|---|---|
| 1/4" | 6.35 | 0.075 | 0.70 | 0.065 | 0.058 | 0.046 | 0.037 | 0.030 |
| 6/16" | 7.93 | 0.114 | 0.105 | 0.089 | 0.079 | 0.080 | 0.048 | 0.038 |
| 3/8" | 9.52 | 0.152 | 0.135 | 0.113 | 0.097 | 0.080 | 0.058 | 0.046 |
| 1/2" | 12.7 | 0.226 | 0.200 | 0.167 | 0.134 | 0.105 | 0.079 | 0.063 |
| 3/4" | 19.05 | 0.386 | 0.326 | 0.256 | 0.215 | 0.161 | 0.124 | 0.097 |
| 1" | 25.4 | 0.541 | 0.450 | 0.351 | 0.294 | 0.218 | 0.167 | 0.131 |
| 1.1/4" | 31.82 | 0.696 | 0.580 | 0.448 | 0.375 | 0.275 | 0.200 | 0.150 |
| 1.1/2" | 38.1 | 0.851 | 0.700 | 0.542 | 0.452 | 0.332 | 0.270 | 0.185 |
| 1.3/4" | 44.45 | 1.020 | 0.832 | 0.656 | 0.530 | 0.390 | 0.330 | 0.265 |
| 2" | 50.8 | 1.161 | 0.960 | 0.733 | 0.607 | 0.447 | 0.365 | - |
| 2.1/4" | 57.15 | 1.315 | 1.085 | 0.828 | 0.687 | 0.504 | - | - |
| 2.1/2" | 63.5 | 1.472 | 1.210 | 0.924 | 0.792 | 0.562 | 0.450 | - |
| 2.3/4" | 69.85 | 1.630 | 1.338 | 1.022 | 0.847 | 0.619 | 0.495 | - |
| 3" | 76.2 | 1.782 | 1.460 | 1.115 | 0.924 | 0.676 | 0.540 | - |
| 3.1/2" | 88.9 | 2.092 | 1.718 | 1.306 | 1.082 | 0.791 | - | - |
| 4" | 101.6 | 2.403 | 1.971 | 1.497 | 1.239 | 0.905 | - | - |
| 4.1/2" | 114.3 | 2.713 | 2.224 | 1.688 | 1.397 | 1.020 | - | - |
| 5" | 127.0 | 3.023 | 2.477 | 1.879 | 1.554 | 1.134 | - | - |
| 5.1/2" | 139.7 | 3.336 | 2.730 | 2.070 | 1.713 | 1.250 | - | - |
| 6" | 152.4 | 3.654 | 2.983 | 2.261 | 1.875 | 1.364 | - | - |
| 6.1/2" | 165.1 | 3.975 | 3.256 | 2.452 | 2.028 | 1.478 | - | - |
