Copper Bolts,Brass 1.ISO,ANSI,CE,JIS,DIN,BS& non-standard fastener supply 2. ... ROHS is capable 3.Grade:4.8 ,6.8,8.8,9.8.... Copper Bolts,Copper ... our Products ? MaterialsCarbon steel,Stainless steel,Alloy steel,Copper,Aluminum are available.Carton steel is high quality ... is SS201,202,302,304,316...copper is shiny brass , pure copper,such as H62,H65,H68...Aluminum ...