So how to find a good quality copper nut?

Time:2022-11-03

　　Common types of knurl on the surface of copper nuts include herringbone knurl nuts, mesh knurl nuts, diamond knurl nuts, straight knurl nuts, twill knurl nuts, etc. We can distinguish high-quality copper nuts by three points.

　　The quality of copper nut can be distinguished from the kappa on the surface of the nut. The outer surface is smooth and clean, and there are no problems such as bruises, embossing, peeling, pinholes, cracks and corrosion.

　　The quality of the copper nut can be distinguished from the quality of the inner surface of the nut. The inner surface is clean and free from oil, impurities and water. Internal thread without burr, crack, damage phenomenon. The inner surface, especially the mating cone, shall not have dents, scratches, dirt and other defects and corrosion that affect the sealing performance.

　　Three points are the structure size, structure size with vernier caliper, ring gauge, pass gauge, dental gauge measuring tools, should meet the requirements of the drawing. The screw size (medium diameter, small diameter, large diameter, and tooth pitch) shall conform to the Specifications and Tolerances of Inch Thread KB0612-02.050.

　　As for the copper nut series products, the above three points can be detected to basically see the quality of the product!