The MTCP metric grub slotted allen head screw (similar to DIN 913) are manufactured in various engineering materials that favor properties such as chemical, mechanical, oxidation resistance, etc. Are available in PA66 -Poliamide (Nylon) -, PP -Polypropylene-, POM -Acetal Resin-, PVDF -Polyvinylidene Fluoride-, PEEK -Polyetheretherketone- and PAGF -Nylon with the possibility of up to 50% glass fiber-.