... , brass Finish:Zinc plated, Plain,etc Size: M3-M64; 1/8"- 2-1/2" Standard: DIN,ISO,BS,AS,JIS,ASTM ... Zinc, Hot Dip Galv, Nickel Plating, etc.Grade: Class 4.8, Class 6.8, Class 8.8, Class 10.9, Class 12.9Packing: bulk packed,small color box,we ... to long-term and fruitful cooperation with you. Din 6923 Hex Flange Nut from CNBM