Hook head screw with hexagon nut and washer, can be used at any point in the profile. Use for: anchor rails 2985, 2986, 2988, 2990 with 18 mm slot width Dimensions (approx. dimensions) Head length: 34 mm Head width: 14 mm Head height: 10.5 mm Thread: M 12 Length L: 20 mm Strength class: 4.6 Material: steel, galvanized according to DIN EN ISO 4042, blue passivated
