Self-tapping screw 5.5x38 DIN 7981 (pack 300pcs) Promrukav PR08.4261

Self-tapping screws with a pan head DIN 7981 are used for joining wooden elements, through-mounting structures to wooden bases, fastening metal plates with pre-drilling, as well as mounting various elements into solid and hollow materials together with expansion plugs. They can be used in mechanical engineering and instrument making, for example, when joining plastic elements. Self-tapping screws with a pan head are made of carbon steel, which is then treated with zinc using the electrolytic method. Universal screws with a pan head have a Phillips drive (cross-recess) and comply with the DIN 7981 (Form C-H), ISO 7049, and GOST R ISO 7049-2012 standards. They are an analogue of GOST 1144-80 execution 4.