TIANZHUOJINSHU | National Standard Pure Copper Sealing Ring M3-M60mm

Versatile Size Range Available in a size range from M3 to M60mm, this copper washer caters to various screw sizes, offering versatility.

Metallic Flat Washer As a metallic flat washer, it provides a flat surface for even distribution of pressure, enhancing the screw's grip.

Sealing Function Designed for sealing purposes, this copper washer prevents leaks and ensures efficient performance in its application.

Pure Copper Material Crafted from pure copper, this seal ring ensures durability and longevity, ideal for marine applications.

Standard Size Following national standards, this copper washer guarantees compatibility with most screws, ensuring a perfect fit.