Key benefits Four BSPT male thread options to match common pipe and fittings British Standard Pipe Taper thread provides a secure seal with proper mating female ports Clear size references DN8, DN6, DN15, DN10 and precise thread OD help ensure correct pairing Suitable for plumbing, heating, irrigation, hydraulic and pneumatic applications Specifications 1/4 BSPT (DN8) male thread, thread diameter approximately 12.5 mm 1/8 BSPT (DN6) male thread, thread diameter approximately 9.5 mm 1/2 BSPT (DN15) male thread, thread diameter approximately 20.5 mm 3/8 BSPT (DN10) male thread, thread diameter approximately 16.5 mm Notes Material not specified in this listing; verify material before ordering BSPT stands for British Standard Pipe Taper thread Designed for mating with BSPT female fittings Compatibility and installation Compatible with BSPT female ports in plumbing, heating, irrigation, hydraulic and pneumatic systems Use appropriate sealant or PTFE tape and tighten to standard torque to prevent leaks Confirm thread type and OD match the mating port before assembly Use scenarios a flow connection in a domestic water system using the 1/2 BSPT DN(OD 20.5 mm) male thread Connect a small pneumatic line in a workshop using the 3/8 BSPT DN10 (OD 16.5 mm) male thread Link a garden irrigation valve or filter to a BSPT female port using the 1/4 BSPT DN8 (OD 12.5 mm) or 1/8 BSPT DN6 (OD 9.5 mm) options as needed