M8 M10 M12 BLACK 12.9 HIGH TENSILE ALLEN BOLTS SOCKET CAP SCREWS SHORT HALF HEAD
M8 M10 M12 (M8=Thread Diameter is 8mm)
Steel,Nickel Plated, Grade 12.9
The length of the screws is measured not including the head(For example: M5 x 8mm means thread diameter 5mm, screw length 8mm).

