There are many types in Aluminum nail range. Various heads and shanks can be freely combined and matched. The normal heads are flat head, oval head and clout head, while the shanks are ring shank, smooth shank and four hollow shank. The normal Aluminum material grade is 5056 and 6063.Nail diameter and length can be customized according to customer's requirements. Aluminum nails are also commonly used with EPDM washers. The matching washers provide a buffer for the aluminum nails when they are installed, as well as water resistance.