16 Metal Frame Anchor Sets – Expansion Bolts for Metal, Plastic, and Wooden Door and Window Installation

• These window expansion bolts are made from premium galvanized carbon steel, ensuring high durability and long-lasting performance.
• The design features a combination of threaded anchor sleeves and threaded studs, making the installation process straightforward and efficient.
• With a countersunk design, the bolts sit flush with the material surface, maintaining a clean and aesthetically pleasing appearance.
• Each bolt measures 10mm in diameter, and a length of 72mm.
• Ideal for securing shelves, brackets, handrails, door frames, window frames, signage, garage doors, electrical cabinets, and more.

Installation Instructions 1.Drill a hole in the base material. 2.Clear away dust and debris. 3.Insert the anchor directly through the frame into the hole until the screw head is flush with the material surface. 4.Tighten the screw to the specified torque to secure the anchor. These bolts are perfect for medium-strength anchoring and are compatible with concrete, solid masonry, and brick surfaces.