... ,JIS 3.Size:M2~M40 4.Color: Red,blue,silver,black HONG HUA TITANIUM NUTS Item NameTitanium NutsMaterialPure Titanium and Alloy ... -as customer drawing.Nut: M2-M24Washer: M2-M24Surface TreatmentPolishing, Anodizing, Black oxideFeatureslight weight, acid and alkali resistance, anti-corrosion, excellent mechanical ...