45 Packs, Concrete Screw Anchor, 3/16" x 2-1/4", Blue Flat Head Screws for Anchoring to Masonry, Brick, Block, Cement or Stucco

【Package Content】 Each box includes 45 pcs high-quality 3/16" x 2-1/4" flat head cement screws. 【High QUALITY】 The concrete screws demonstrate exceptional fixation capability due to their high and low teeth texture. They possess the ability to swiftly penetrate various materials, including concrete slabs and bricks. Constructed from premium 1022A carbon steel, these screws can endure hydrochloric acid corrosion for up to 1000 hours. Furthermore, the incorporation of a unique diamond tail design enhances drilling speed. 【Easy to Install】 Featuring a unique High-Low thread design, our masonry screws ensure efficient and secure fastening on various masonry materials, including concrete, cement, blocks, and bricks. 【Durable and Sturdy】The concrete screw is made of high-quality carbon steel and undergoes a rigorous high-temperature quenching process, resulting in exceptional hardness. Furthermore, the surface of the screw is treated with Blue Ruspert coating, which provides excellent corrosion resistance. 【100% Satisfaction Guarantee】The package includes 45pcs of high-quality concrete screws, ensuring your satisfaction. We guarantee a hassle-free refund if you are not completely satisfied with our product. Additionally, should you encounter any issues, please feel free to email us at any time for prompt assistance and resolution.