Window Frame Fixing Screw for Concrete

Window Frame Fixing Screw for Concrete is specially designed for fast, secure, and long-lasting installation of window and door frames. Made of high-strength carbon steel or stainless steel with zinc or special anti-corrosion coating, it offers excellent pull-out resistance and durability.
Suitable for use in concrete, brick, and block walls, it provides stable fixing without expansion plugs. Ideal for construction, renovation, and curtain wall projects.