It uses a large plate nut that supports it on the side.
Compatible with a wide range of board thicknesses.
For ALC and hollow building materials.
Nut Length: 1.1 inches (27 mm)
Hollow depth: 1.0 inch (26 mm) or more
Compatible Plate Thickness: 0.4 - 2.6 inches (10 - 65 mm); Commercial 3-minute bolts and brim feet can be used; Nut Diameter: 3/8; Nut Part: Stainless Steel (SUS304); Resin Part: Polypropylene (PP)