... high quality motorcycle screw: 2)Material:steel,stainless steel, 3)Surface:zinc(white,blue,yellow,black) 4)Size:M2 to M12mm high quality ... Treatment: Polishing, Anodizing, Black oxide 5.Material: Titanium alloy and pure titanium6. Applications: Chemical industry, Medical ... and development together. Production Line:Quality Control:We offer high quality products,competitive prices and good service ...