Specifications: Material: Aviation grade Ti6AL4V (TC4) Titanium Alloy Surface Treatment: Surface PVD process, uniform color and bright color Grade: Grade 5 Standard: DIN 912 System of Measurement: Metric Size: Thread Diameter x Length Thread Diameter: M6 (All screws are fully threaded) Thread Pitch: 1.0mm (Coarse Thread) Length: 12mm 15mm 20mm (Excluding Head Length) Colour: Gold / Rainbow / Silver