Description: Material - Brass pipe fittings are made of brass, which is corrosion-resistant, high-temperature-resistant, low-temperature-resistant, strong and durable, and suitable for long-term use. Design - This brass fitting is a three-piece design consisting of a body with external threads, a hexagonal lock nut and a sealing ring. This design makes installation simple and has good sealing performance, making it suitable for various fluid transmission systems. Easy to Install - To install this brass fitting, first put the sealing ring on the pipe, then insert the body with external threads into the pipe, and finally tighten it with the hexagonal locking nut to ensure a secure and sealed connection. Widely Applicable - This brass fitting is widely used in plumbing systems, HVAC, automotive applications, industrial machinery, and gas systems. Specification : Material: Brass Surface treatment: Polishing Length: 40mm/1.57" Width: 25mm/0.98" Thread specification: 5/8UNFO.D x 1/2NPT Connector size (nominal diameter): 5/8UNFO.D x 1/2NPT Packaging: 1Pcs x Brass Pipe Fittings