This hex nut has a 1/8 NPT thread for connecting male threads. The 1/8 NPT thread has a middle diameter of 3/8inch (9.5mm). Lock nuts are used to lock the two threaded fittings in place for increased stability.
Made of brass, it is durable, rust-resistant, wear-resistant, and has extremely high durability, while the relatively soft nature of brass ensures a tight sealing effect.
Good gloss, not easy to fade, no burrs. The size is standard, the thread is uniform and neat. And it has excellent thermal conductivity and low leakage.
This hex nut is ideal for a variety of piping applications, including a variety of measurable equipment, collectors, garden connections and waterway connections. Whether in industrial or household use, this product can show its excellent performance.

Specification:
Material: Brass
Color: Gold
Thread type: 1/8 NPT thread
Hexagonal opposite side length: 13mm/0.51inch
Thread inner diameter: 8.8mm/0.35inch
Thickness: 2.5mm/0.1inch
Package contains: 20 x 1/8 NPT female brass hex lock nut.