Hex style: Hexagon
Diameter of thread : M6(3mm)
Length: 20mm(not include head size)
Colour: Black
Quantities: 20
Material:Carbon steel
All dimensions are measured by hand, so there will be a little errors.
Size explain: for example: M6 x 10mm(Hexagon Head Diameter is 3mm and screw length is 10mm which is not include head size)