ENSURE YOU HAVE THE CORRECT SIZE | BSP THREAD SIZING BSP thread sizing is NOT straightforward. Measure the approximate thread diameter in millimetres then refer to the sizing guide below to see the corresponding BSP thread size in inches. | |
| BSP Thread Sizing Guide | | | Approximate Thread Diameter (mm) | Designated BSP Thread Size (Inch) | | | 21 mm | 1/2" | | | 26 mm | 3/4" | | | 33 mm | 1" | | | 42 mm | 1 ¼” | | | 48 mm | 1 ½” | | | 60 mm | 2" | | | 75 mm | 2 ½” | | | 88 mm | 3" | | | 113 mm | 4" | | | We want to ensure you receive the correct fitting so, if in any doubt about sizing or specification then please ask for clarification. | |
NEXT DAY DELIVERY AVAILABLE FOR £ 7.50 * This is for any number of fittings. * Delivered to mainland UK destinations (Excludes Highlands) * Subject to order being received by 1500 hrs. Returns Are Accepted (Buyer To Pay For Return Postage) | 
