... .Material: Carbon steel 3.Grade: 8.8 4.Finish: Galvanized ItermDescription1.Materialcarbon steel and stainless steel2.Size3/8,5/8,2/3,1/2,1or ... -5585779, Fax: 0086-0632-5585779 Linkman: Caroline9.Finish White zinc,yellow zinc, plain, HDG, Black and so on. 10.website: http://en ... .en.alibaba.com Standard implement: DIN, BS, ANSI, GB, ISO Black Finish Hex Bolt