Countersunk screws - are a very popular type of fastening, which allows you to create not only a reliable but also an aesthetic connection. The design of the concealed screw allows you to hide it, completely immersed in the material. DIN 7500M significantly reduces installation time, as it does not require pre-drilling.
Usage - Screw connections in metal structures, plumbing and heating structures. It is used in damp rooms, and also for outdoor rooms. Without significant chloride and sulfur dioxide content.
Material - stainless steel. The grade of steel A2 allows to use fastenings at considerable differences of temperature and in the aggressive and humid environment.