hollow rivet Material:brass H65,rohs Finish:plain,chromated, nickel vanish Advantage:bright neat body, with perfect match Features:GB975 Female Full Pipe Type Brass hollow Rivet 1.Material:brass H59, H62, H65, H68, Silicon bronze, C1010-C1018 grade 4.8, aluminum5050, 5052, Stainless Steel and etc as per your need.2.Standard :GB872 or other standard as per your need. 3.Surface Finish:Plain finish, ...