HF weldable flange with internal G1" thread (BSP 1”)
G1/2" Parallel Whitworth Pipe Thread - Plug and Template by maxwxyz | Download free STL model | Printables.com
Connector with a female thread BRASS™ G1" - CELLFAST
Straight G1/2 Bsp Male Thread to 1/2 Inch 12.7mm Hose Barb End Plastic Threaded Pipe Fittings - China Male Thread to Barb Fitting, Threaded Pipe Fittings | Made-in-China.com