OywhC 50Pcs Masonry Concrete Screws 4.8mm x 45mm with Screwdriver & Drill Bit, Special Blue Coating, Flat Countersunk Head, Conical Diamond Tip, High-Low Threads, for Masonry/Concrete/Brick/Block

• 【Set Specifications】The set includes 50 concrete screws (4.8mm x 45mm), plus 1 screwdriver bit and 1 drill bit for efficient installation. It meets most light-duty fixing needs without extra tool purchases.
• 【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 flat countersunk head 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, simplifying steps and making installation easy even for beginners.
• 【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.

Introducing OywhC's premium Set: 50pcs 4.8mm×45mm screws + screwdriver/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. Flat countersunk head (flush fit), 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: 50 Pcs (4.8mm×45mm) Screwdriver 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!