Looking for an easy way to join two pipes? This straight bush or thread reducer from RS PRO is a pipe fitting with threads on its inside and on its outside that enables you to connect fittings of different sizes.

Thanks to its stainless steel material, this robust reducing bush is resistant to mechanical damage, heat and corrosion for use in demanding environments. The male and female tapered threads make it safe to use in high-pressure applications. It's also easy to tighten with a wrench thanks to its hexagonal-shaped head.


This product meets Restriction of Hazardous Substances (RoHS) standards, meaning it contains only trace amounts of any harmful materials. It also complies with the ASTM (American Society for Testing and Materials) B16.11 specifications for fittings and pipework. Stainless steel reducers like this one are commonly used in domestic and industrial heating and water systems.