oxygen meter inlet g5/8 nut internal teeth precision processing, internal teeth smooth without burrs, strong sealing 氧气表进气G5/8螺母内牙精密加工，内牙光滑无毛刺，密封性强

【Excellent Quality】 The oxygen gauge inlet G5/8 nut features internal threads made from high-quality brass, processed by precision lathe machining. The internal threads are smooth and free of burrs, providing strong sealing properties to ensure secure and airtight connection of the oxygen pipeline. Suitable for industrial oxygen equipment, it is safe and reliable. Crafted with the spirit of craftsmanship, it safeguards your safe production operations.