We will ship your order out within one week after you paid.
Made of high quality carbon steel, these nuts have high hardness and long life. Surface is plated with nickel for good rust resistance and better performance. They are easy to use and convenient to connect aluminum profiles to other parts. This hammer head nut is mainly used for European standard aluminum extrusion profiles. EU20 is used on profiles with 6mm slot, while EU30 is used on profiles with 8mm slot.