Screw M6x40 cylinder head Allen key black (strength 12.9)
Screw head: Cylinder head · Material: Steel · Surface: blackened · Drive: Hexagon socket · Ø External head: 10 mm · Total length: 46 mm · Shank: No · Width across flats SW: 5 mm · Thread type: M6x1 (standard thread) · Thread length: 40 mm · Strength class: 12.9