Cover screw set (set = 12 pieces) with T40 inner hexagon socket head to prevent unauthorised opening of the enclosure, can also be sealed, special screwdriver TK SDR T40 (19501801) required, can be used from TK PS/PC 77 (except TK 1005)
black cover screw for all transparent covers in product groups TK 77-6 / 97-6 / 99-6 / 1111-7 / 1309-6 / 1313-7 / 1809-6 / 1811-6f / 1811-9 / 1813-6f / 1813-9 / 1818-6f / 1818-9 / 2518-6f / 2518-9