Unique Bargains Galvanized Iron-Carbon Steel Anti-Corrosion External Hex Multipurpose Use Expansion Bolt 4 Pcs

Concrete brick expansion screw bolts fastener is suitable for fixing to concrete and masonry and a variety of heavy installations, widely used in construction projects to home repairs, such as a fence, canopy, concrete anchoring, building walls, indoor bathroom and kitchenware, air conditioning, ceilings, doors, lighting, advertising billboards, TV wall mountings, outdoor guardrails, etc. Durable air conditioning wall fixing screws are crafted from galvanized iron-carbon steel. These bolts are resistant to rust and corrosion, possess high hardness, are strong and not easily breakable, can securely fix heavy objects, and enjoy a long service life. The surface of the sleeve anchor fastener wall concrete is smooth and burr-free. The threaded bolts are designed to evenly bear force, provide reliable connections, and firmly fix solid surfaces such as concrete and masonry. Expansion bolts come with nuts and washers for easy installation. By tightening the bolt to create an expansion, the bolt pulls the conical cone, making the sleeve expand against the hole wall, achieving a firm fixing effect.