... zinc plated;Dacron etc. Grade: 8.8,10.9,12.9 Packaging & Delivery Packaging Detail: carton+wooden pallet, also ... M5-160 4. Grade: 8.8,10.9,12.9 Tortous type high strength bolt,nut and washer for ... Q345D,etc. 2.Surface: Black, zinc-galvanization, hot dip galvanization, electro galvanization,plain 3. Size: M5-160 and ... to customers' requirements 4. Grade: 8.8,10.9,12.9 5. Standard:ASTM E1852 & GB/T 3632 ...