MCTi 6 Pcs Mountain MTB Bike M6x20mm Titanium Allen Hex Tapered Head Bolts Screw Gr5(Colorful) Size: m6x20mm Allen Hex Tapered Head; Color Available: Colorful, Ti, Gold Material: 6AL/4V (TC4) Titanium Alloy, Grade 5; Weight: 3.34g/Piece. Thread Pitch: 1mm; Thread Diameter: 6mm; Head Diameter: 9.97mm; Head Height: 6.15mm; Key Size: 5mm; MCTi Brand Trademark Bolt is with high performance, corrosion-resistant, light weight, high strength and durability functions. Original Brand Packed. Many applications especially in sports, mountain bike, bicycle, motorcycle, automotive, racing, aerospace , medical industry and DIY areas.