Petrol Tap Size Guide
Back to Tap Page
In order to determine the gas thread needed please see the guide below:
| Gas Thread | Measurements |
| 1/8" Gas | 3/8" dia x 28 TPI |
| 1/4" Gas | 1/2" dia x 19 TPI |
| 3/8" Gas | 21/32" dia x 19 TPI |
| 7/16" Gas | 7/16" dia x 19 TPI |
TPI = Threads per Inch