it is generally a flat metal ring used to protect the surface of the connected part from nut scratches and disperse the pressure of the nut on the connected part..syi
we have offline physical factories, the use of advanced equipment, the introduction of high-quality talents, the formation of a complete production line, rich inventory, rapid delivery, trustworthy.brass is an alloy composed of copper and zinc, brass composed of copper and zinc is called ordinary brass, if it is composed of more than two kinds of alloy is called special brass, brass has strong wear resistance. Junta plana de latão, com alta resistência, resistência à corrosão, alta resistência ao desgaste, vendas diretas do fabricante, desconto em our products are customized products, please contact us before placing an order.