The BSP value refers to the internal bore of the pipe, the physical thread size will be larger than this. 10mm COMPRESSION x 1/2" BSP MALE FITTING. 10mm to 1/2" BSP Male pipe fitting. 1 x 10mm Compression x 1/2" Male fitting.
Copper To Galvanized Pipecopper Hose Barb Fittings - British Pipe
10mm Compression x 1/2″ BSP Male Iron Thread Adapter - PlumbinBits
FITTING REDUCER METRIC M10X1.0 Male to M6X1 Female Thread Brass Adapter £2.39 - PicClick UK
Compression Straight Adaptor - 10mm x 1/2 - 17627
Cheap Brass Pipe Fitting Pipe Joint 1/8 1/4 3/8 1/2 Coupler
PBI Brass Pipe Fitting, Adapter, 1/8 bsp Male x 1/4 bsp Female
Metalwork 304 Stainless Steel Metric Compression Tube
Male Iron Brass Compression Coupling - Colglo
Conex 15mm x G1/2 Male Elbow Adaptor Brass Compression Fittings
1/2 BSP male x 10mm COMPRESSION FITTING COPPER BRASS PIPE TUBE ADAPTER REDUCER
Brass Pipe Fitting Reducer Adapter 3/8 NPT Male x 1/4 NPT Female
COMPRESSION TO BSP MI Brass Male Iron Thread Connector Adapter * £6.74 - PicClick UK
ADATTATORI RACCORDO RIDUTTORE filo metrico maschio a femmina M4 M5 M6 M8 M10 M14 EUR 2,84 - PicClick IT
Bnt Plumbingcopper Bsp Male/female Pipe Fittings 1/8-1 - Hexagon
4mm 6mm 8mm 10mm 12mm x 1/8 1/4 3/8 1/2 BSP Female