Different types and a large number can meet your usage needs.
Made of copper with high hardness, not easy to deform, wear-resistant
No residual burrs, good gripping force of fixed thread
The surface of the product is specially treated to prevent the nut thread from breaking
They feature an outer diameter that is embossed to form a certain friction and bite force; Once molded, they are not easy to slippage, ensuring they stay firmly in place,be widely used in furniture repair, office equipment, mechanical industry, communication equipment, etc.