STUD BOLT and NUT M6 and clip

Nut M6 :

Thickness 5.2mm, Hexagon 10mm

Diameter ring 12 mm

Thickness ring 0.5

STUD BOLT of spoiler

Thickness 18 mm

Length of  thread 13 mm

Head dimension  10x10x2 mm

CLIP SPOILER

Clamp part  gap 4.2 mm

Hole of plate D9-9.5 mm

Length clip direction to hole 11 mm