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.

Para saber se sao compativeis uma determinada porca com um determinado perno ou varao roscado, devemos fazer atençao para que a rosca interna da porca e a rosca do perno ou varao roscado, devam coincidir.Por exemplo, se selecionarmos um perno ou varao roscado de metrica 6 (M6), a porca deveras ter igualmente uma rosca interna de metrica 6 (M6).