Hex Flange Nut, Black Zinc Plated, Grade 10.9, M5, M6, M8, M10
New Black Zinc Hex Flange Nut M5x.8, M6x1.0, M8x1.25, M10x1.50 Ships from the USA. Fast shipping Click Here For More Sizes Of Black Zinc Button Head Bolts Part # BZFNNut Diameter Choose diameter and thread pitch from pull down menuGrade 10.9Finish Black Zinc PlatingDrive Style External Hex Black zinc is zinc plating (50um thick or more), followed by a black chromate conversion coating. The zinc coating resist corrosion, and it is nice appearance. Its anti-rust and anti-corrosion ability is much stronger than black oxide, suitable for environments with large temperature difference and high humidity. Such as furniture hardware, fasteners. But it is more expensive than black oxide. Black Oxide hardware will corrode almost immediately in humid environments. Button Head Bolt, Cap Screw, Hex Head bolt, Black Oxide, Stainless steel bolt, zinc plating, black zinc plating, yellow oxide, blue dyed, hardware, bolts and nuts, hex allan bolt, metric bolts, fine thread