Key features

• •Package Includes: each package includes 40 packs of black concrete screws, providing ample supply for both small and large projects or famliy DIY projects; This ensures you have enough screws to complete your tasks
• •Large Size: the large-diameter design of the concrete anchor, approximately 1/2 inch x 5 inches, provides greater stability and load-bearing capacity, suitable for hard substrates such as concrete, brick walls, and stone
• •Double-layer Coating: concrete anchor bolts crafted from carbon steel with a double-layer coating, The first layer is galvanized, and the second layer is coated with Black Ruspert; This double-layer coating provides strong corrosion resistance and oxidation resistance, making it suitable for outdoor and even humid environments, ensuring long-term stable fixation
• •Effortless Installation: one-piece design requires no additional assembly, expansion tubes, or fixing tools, just use 1/2 hammer drill to open the hole, Their easy installation process helps you save on labor costs
• •Versatile Applications: Designed to meet diverse needs, these masonry screws are suitable for various home and industrial installations. Whether you're working with concrete, scaffolding, guardrails, or wall supports, the applications are virtually limitless