Cover screw set (set = 12 pieces) with hexagon socket T40 head to prevent unauthorized opening of the housing, can also be sealed, special screwdriver TK SDR T40 (19501801) required, can be used from TK PS/PC 77 (except TK 1005), grey cover screw for all grey covers of article groups TK 77-8 / 97-8 / 99-8 / 1111-9 / -1309-8 / 1313-10 / 1809-8 / 1811-8f / 1811-11 / 1811-13f / 1811-16 / 1813-8f / 1813-11 / 1813-13f / 1813-16/ 1818-8f / 1818-11 / 1818-13f / 1818-16 / 2518-8f / 2518-11 / 2518-13f / 2518-16 / 3625-11 / 3625-16Dimensions: 10.5 x 10.5 x 58mm
