Nestinox now carries a complete range of Nestinox Solar fixings (A2 stainless steel) and complete photovoltaic systems that are suitable for solar panels and solar boilers. The stainless steel fixings used in the Solar branch include: self-tapping screws, treatment of screw thread, hexagonal bolts and nuts, hammerhead bolts, hanger bolts, security screws, sealing rings, thread ends, and technical sprays. In addition to all the common DIN fasteners Nestinox also offers fixings made by special turning and pressing processes, known as specials.