The M6 ​​nut joining system is a piece whose function is to serve as a support for the M6 ​​nuts, which generally have a standard measurement of minimum 5.7 mm and maximum 5.95 mm. This piece has length measurements of 10 mm x Ø 10 mm and is recessed acting as a plug or dowel. The material with which this joining system has been made is highly resistant transparent plastic. Its design has grooves on the outside for better grip. Its packaging contains 2,500 units.