OywhC 35Pcs Masonry Concrete Screws 6.3mm x 57mm with Hexagon Socket Bit & Drill Bit, Special Blue Coating, Hexagon Flange Head, Conical Diamond Tip, High-Low Threads, for Masonry/Concrete/Brick/Block

• 【High-Quality Material】Our concrete screws are made of high-quality medium carbon steel, with excellent material strength. The surface has a special blue coating, which enhances corrosion resistance, ensures long durability, and prevents rust effectively.
• 【Practical Design】The screws have a hexagon flange head (enhanced anti-slip & load-bearing) and conical diamond tip (speeds up drilling, penetrates concrete slabs well). With high-low threads: high threads cut masonry fast, low threads offer stability, forming removable fastening.
• 【Easy Installation】 No expansion tubes needed—you can install directly into substrates. The set comes with necessary bits (hexagon socket bit & drill bit), simplifying steps and making installation easy even for beginners.
• 【Set Specifications】The set includes 35 concrete screws (6.3mm x 57mm), plus 1 hexagon socket bit and 1 drill bit for efficient installation. It meets most light-duty fixing needs without extra tool purchases.
• 【Versatile Application】Ideal for securing fixtures (e.g., wall hangers, small brackets) to masonry, concrete, brick, and block surfaces, suitable for home DIY, minor decoration, and equipment fixing.

OywhC Masonry Concrete Screw Set: 35pcs 6.3mm×57mm screws + hexagon socket bit/drill bits—no extra tools needed, ready to install. Made of high-quality medium carbon steel (great strength) with special blue coating for corrosion/rust resistance, long-lasting. Hexagon flange head (enhanced anti-slip & load-bearing), conical diamond tip (fast drilling through concrete), high-low threads (stable, removable). Fits masonry/concrete/brick, ideal for home DIY, small fixes. 【Specifications】 Material: High-quality medium carbon steel Color: Blue (with special coating) Package List: Concrete Screws: 35 Pcs (6.3mm×57mm) Hexagon Socket Bit: 1 Pcs Drill Bit: 1 Pcs Notes: Confirm the screw size fits your fixing needs before buying. For help, contact us via email or Q&A—we provide professional service and reply within 24 hours. Attention: Contains small parts. Keep away from children to prevent accidental swallowing!