18pcs 1/4" to 3/8" Female and Male BSP Brass Thread Hexagonal Nipple and Reducer Hex Socket Connector for Pipe Connection Conversion

1/4" to 3/8" female and male thread BSP brass hex nipple and hex reducer and hex socket connector. Made of high quality brass, it is not easy to rust and wear, and can be used for a long time. It is suitable for the size and size conversion of the pipe connection between gas and liquid, and changes the size to meet the connection between the different joints. Please work under air pressure below 10 bar, normal temperature range is -50 to 120 ℃. It is recommended to wind the raw material tape on the threaded port before connecting, and the corresponding thread can be used after screwing, without leakage problem.