Copper Bolts,Brass 1.ISO,ANSI,CE,JIS,DIN,BS& non- ... specification of our Products ? MaterialsCarbon steel,Stainless steel,Alloy steel,Copper,Aluminum are available.Carton steel is high quality iron,such as ... SS201,202,302,304,316...copper is shiny brass , pure copper,such as H62,H65,H68...Aluminum is good Aluminum.Meanwhile,we can use ...