Product material: Hollow drive bolts are made of high quality galvanised steel, not easy to be damaged or deformed, corrosion resistant, durable and can be used continuously.
Feature design: the floor bolts have good load bearing capacity and will expand during installation to provide better fixing. They are not easy to loosen or fall off after installation.
Multipurpose:Zinc bolts are suitable for a variety of scenarios, such as gypsum boards, hollow tiles, ceramic tiles and so on. After installation, it can be used with brackets, chandeliers, ceiling fans and other furniture.
Usage: Confirm the location to be mounted, e.g. thicker walls. Use a professional installation tool such as a screwdriver to install.
Material: galvanised steel
Size: M4x46mm/1.81inch
Feature design: the floor bolts have good load bearing capacity and will expand during installation to provide better fixing.
Multi-purpose: The bolts are suitable for various scenarios, such as gypsum board, hollow block, tiles.
Package includes:20pcs gypsum board curtain wall expansion bolts