Choose Options Quick view Copper Pipes Thread Soldering Fittings 15mm 18mm 22mm 1/2 MSRP: Now: £3.99 Was: These soldering connectors are being used to connect copper pipes to threaded connections by using soldering. Soldering fittings come in various pipe sizes, thread sizes and types to choose from. - Size: 15mm x 1/2" BSP, 18mm x 1/2" BSP, 18mm x 3/4" BSP,... MSRP: Now: £3.99 Was: Choose Options Quick view