tubular rivet Rivet Material:steel or brass Rivet Finish:plain,chromated, nickel plated. Nor Dia:M1.4-M10 Length:1.5-50mm Features:carbon steel nickel plating semi tubular rivets1.Material:low carbon steel AISI1010, stainless steel 304, brass H622.Standard:DIN,JIS ISO ,BS,ANSI...ETC.3.Surface Finish:galvanic / chemical nickel / zinc, Dacromet, Geomet, burnishing, wet-varnishing, Delta Tone, KTL ...