hex nuts 1.Grade: 4 -- 10,A2, A4 2.Size: M3-M100 3.Finish:plain, zinc plated, hot dip galvanized, dacroment hex nuts1.Grade: 4 -- 10,A2, A42.Size: M3-M1003.Finish:plain, zinc plated, hot dip galvanized, dacroment4.Material:Carbon steel, stainless steel5.Packing: Standard export packing or According to customer's requirement Grade 10 hex nut UNC UNF