MCTi Bicycle Bike M6x18mm Titanium Allen Hex Tapered Head Bolts Screw 6AL/4V Gr 5 with Washer 6 Packed (Ti) Size: m6x18mm Allen Hex Tapered Head; Color Available: Colorful,Ti,Gold Material: 6AL/4V (TC4) Titanium Alloy, Grade 5; Weight: 3.16g/piece. Thread Pitch: 1mm; Thread Diameter: 6mm; Head Diameter: 10mm; Head Height: 6mm; 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.