The bolt at 20, is made of steel with anti-corrosion galve finish. In its design, a turning head of 9 mm long with a diameter for EU M6 nut, the body of the bolt has a length of 27 mm which is 20 mm if it is measured from the joint hole to the base of the head. The diameter of the body of the piece is Ø 7 mm. The fastening piece that is connected to the bolt must be Ø 14 mm. Likewise, the bolt must be installed with Ø 7.5 mm drill with a length of 20 mm from the edge and its packaging is 1,000 units.