Sliding nut with fixing aid, for C-anchor rails, for precise fixing without slipping, especially in vertical applications, the sliding nut is screwed into the profile by 90° using the fixing aid and can be variably positioned by pressing on, can be used at any point in the profile. Use for: anchor rails/profile rails in E3/E5 2985, 2986, 2988 and 2990 with 18 mm slot width Dimensions (approx. dimensions) Length L: 50 mm Width B: 21 mm Sliding nut height H: 17 mm Thread: M 8 Strength class: Material No. 1.4571 Sliding nut material: stainless steel, material No. 1.4571 Fixing aid material: grey polyamide (PA), halogen-free