... 2.Finish:white zinc, color zinc,black, 3.Size:M2-M90 4.Grade:4,6,8,10 din 934 standard zinc hex nut High quality Din934 zinc ... steel HEX NUT1)Material:As per customer requires,various of material is available.2)Standard : ... serve for you with the good quality and competitive price. Material Finish Grade Packing StandardSteel Zinc plate,black oxide, 4.8 ...