Features 1、Alloy Steel: The whole is made of alloy steel, the screws have high strength and corrosion resistance. 2、PVD Vacuum Coating Coloring: The surface is colored by PVD vacuum coating, and an oxide coating is formed on the surface of the screw, which strengthens the surface hardness and also makes the color of the screw bright and not easy to fade. 3、Stable and Not Easy to Fall Off: The thread is fine and strong, and it is stable and not easy to fall off during the tightening process, ensuring your safe riding. 4、Screw Features: With anti loosening function, the screw can withstand long term continuous vibration, and will not loosen, which can be used repeatedly. In addition, it also has good temperature resistance, generally can be stored at minus 40 degrees to 150 degrees with stable performance. 5、Widely Used: The alloy disc rotor bolts are suitable for mountain bikes, road bicycles, fixed gear bikes, etc. Item Type: Bike Disc Brake Rotor Bolts Product Specifications: M5x11.5mm Material: Alloy Steel Thread Height: Approx. 11.5mm / 0.5in Total Height: Approx. 14mm / 0.6in Thread Diameter: Approx. 4.6mm / 0.2in Product Weight: Approx. 34g / 1.2oz Package List 12 x Screws