Groco Thread Reducer – BSPP & NPT Thread
Price range: £5.63 through £494.20
Groco thread reducers are designed to reduce thread size down from one part to another, EG you can reduce the thread size of a 1″ ball valve to 3/4″ with a thread reducer.
Note- C83600 bronze fittings are not in compliance with NSF-61 and therefore are not intended for use in potable water systems.
Groco Thread Reducer Fitting – BSPP & NPT Threads
The Groco Thread Reducer Fitting is a premium-quality solution designed to seamlessly reduce thread sizes between components in marine systems. Constructed from high-grade C83600 bronze, these fittings are engineered for durability, corrosion resistance, and long-lasting performance in harsh marine environments.
Manufactured from high quality (C83600) bronze, these thread reducers come in both NPT and BSPP threads providing a secure, leak-proof connection in systems ranging from plumbing to hydraulics. Designed to reduce thread size down from one part to another, EG you can reduce the thread size of a 1″ ball valve to 3/4″ with a thread reducer.
Unsure on your exact requirement, call our expert technical advice team on 01202 600011 or use our live chat functionality.
- NPT & BSPP thread options
- Reduces thread sizes
- NPT or BSPP thread reducer fitting






