M6x10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90mm (1.0mm Thread Pitch) (Head width=12mm ). Material: 6AL / 4V (TC4) titanium alloy, Grade 5. Color: Titanium / Blue purple / Gold / Burnt blue. heat intensity, good low temperature performance.
eBay