🔹When tightening, the expanding body spreads into four large legs, helping to distribute the pulling force
🔹Made from galvanized steel or stainless steel, it is corrosion and rust resistant, ensuring durability over time.
🔹Suitable for drywall, perforated bricks, aluminum-glass partitions, and lightweight concrete panels.
🔹The screw head has an anti-rotation groove, securing the expansion in the drilled hole for increased accuracy