... products welcome.6. Surface treatment: Plain, black finished, Zinc plated, Hot Dip Galvanized.7. Packing of hex nut: General ... steel, Q195, 35KNut Grade:Class4.8, 6.8, 8.8, 10.8and12.9; inch grade:gr2 and gr5Surface treatment:Plain, zinc plated, yellow zinc plated ... , HDG, blackStandard:DIN934, ISO4032, ANSIHead mark:S |8|, S 8, S 10 and ...