16 PCS Flange Hex Head Concrete Screws – Masonry Bolts for Brick and Stone Fixings (16, M6 × 75mm)

• 【Material】: Crafted from high-quality galvanized carbon steel, these concrete screws feature a zinc-plated surface that provides excellent resistance to corrosion and oxidation, while ensuring exceptional hardness and durability.
• 【Design】: Built with a flange and hex head, these anchor bolts deliver superior clamping force and outstanding anti-loosening performance, making them highly resistant to vibration and long-term use.
• 【Installation】: Quick and convenient to use, these masonry screws require no expansion tubes. They embed directly into concrete or brickwork, offering a stable and solid fixing with minimal effort.
• 【Options】: Available in multiple sizes including M6 and M8 with various lengths to meet both household and professional construction needs.
• 【Applications】: Perfect for use in masonry, concrete, mechanical engineering, household installations, electrical fittings, and general construction projects. Suitable for securing windows, shelves, railings, pipe brackets, and outdoor structures.

With a specially engineered cutting-thread design, these flange hex head concrete bolts eliminate the need for pre-installed expansion plugs. They provide a strong, reliable hold while significantly improving installation efficiency, making them the ideal fastening solution for both home DIY projects and heavy-duty professional use.