M5X10 Ti Titanium Bolt Torx Mountain Mtb Bike Bicycle Disc Brake Rotor Screws 6 Packed Size: M5x10mm Torx Button Head Disc Brake Rotor Screws. Material: 6AL/4V(TC4)Titanium, Grade 5; Weight: 1.3g/piece Thread Pitch: 0.8mm, Thread Diameter: 5mm, Allen Key Size: 3mm MCTi Brand Trademark Bolt is with high performance, corrosion-resistant, lightweight, high strength. Many applications in sports, mountain bike, motorcycle, automotive, racing, aerospace,medical industry.