The Countersunk Screw is specifically designed and constructed in compliance with the DIN 963, ISO 2009 (metal) specification and standards. It is part of article series 080 which is created either from a mild steel or a stainless steel. It is built with both of metal and of zinc finishing.
This slotted countersunk screw is made from zinc plated steel. Refers to DIN 963 and ISO 2009.