Philmac Threaded Bushing – 1" x 1/2" | Reduce 1" Thread to 1/2" for Smaller ConnectionsThe Philmac Threaded Bushing 1" x 1/2" is a hex bushing that reduces a 1" female threaded (FNPT) fitting down to a 1/2" male threaded (MNPT) connection. Use it when you need to connect a smaller 1/2" component — such as a valve, fitting, or gauge — to a...