Side 1 threaded: 1/4" BSPT Male
Side 1 suits an outside diameter (OD) of: 13.72mm
Side 2 threaded: 1/8" BSPP Female
Side 2 suits suits an outside diameter (OD) of: 10.29mm
Material: Mild Steel
Finish: Black Self Colour
Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 300 psi, Mild Steel (Formally referred to as Wrought Iron BS1740), EN 10241 & EN 10255
Alternative terminology:
Reducing Bush, Mild Steel, Carbon Seel, Wrought Iron, Heavy Weight, Threaded, Screwed, Fittings.