4Pcs Heavy Duty 1/4 NPT Male Thread to 1/8 NPT Female Thread Brass Reducer Hex B
4Pcs Heavy Duty 1/4 NPT Male Thread to 1/8 NPT Female Thread Brass Reducer Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert. SIZE: 1/4 NPT male thread to 1/8 NPT female thread hex bushing. NPT thread has a 60° taper, so usually unable to screw the thread to the end.