STAINLESS STEEL INNER HEX THREADED PLUG 

A stainless steel hex plug is a type of pipe fitting that is used to close the end of a pipe or a valve. It has a hexagonal head, allowing for easy installation and removal using a wrench. The plug is made of stainless steel, which provides excellent corrosion resistance and durability, making it suitable for various industrial applications. It is commonly used in plumbing, oil and gas, chemical, and other industries where a secure and leak-proof closure is required. STAINLESS STEEL INNER HEX THREADED PLUG is good option for assembing FESTO PNEUMATIC VALVES and SMC control valves