... ISO9001:2008; 2. High quality products, competitive price and on-time delivery; 3. OEM is available. Zinc Plated Hexagon Nuts Specification 1 ... class: 8.8 , 10.9, 12.95.Surface finishes: Zinc-plated(Black or Plain), Hot dip galvanizing, Dacromet,etc. 6 ... class, surface treatment, quantity, packaging and other special requirements. All products we can do as per international standard as customer's ...