1 near to the famous Qingdao port 2 all kinds of material 3 most competative price 4 produce to your request bolts and nuts1) Material:SS304,SS316,copper, brass, bronze, carbon steel 2) Grade: 4.8,6.8,8.8,10.9,A2,A4 3) STD: JIS, BS, DIN, AISI....Description:hardware bolts and nutsScrews and Fasteners Brand NameARXOriginal of PlaceQingdao ChinaMaterialCarbon steel ,stainless steel, brass and etc. ...