DAIRYCOF M8x100mm Concrete Screws, 20 Pack Flange Hex Head Concrete Bolts 100mm - Zinc Plated Steel M8 Self-Tapping Masonry Screws for Brick Wall, Outdoor Use in Decking, Fencing, Wood, Stone

• 【High-Quality Material】Our concrete screw bolts are crafted from high-quality galvanized carbon steel, providing excellent corrosion resistance and rust prevention. Highly resistant to deformation over time, they are perfect for demanding environments such as damp, outdoor, and industrial settings (factories and underground car parks)
• 【Hex M8 Screws Set】This set includes 20 pieces of M8x100mm flange hex head anchor bolts. No expansion stress, high earthquake resistance, avoid the risk of concrete cracks, especially suitable for strengthening buildings, meeting the requirements of multi-field use
• 【Practical design】Concrete anchor bolts are designed with a hexagonal head drive and flange gasket, which increases the force area to withstand high torque without deforming. Its unique anti-rotation serrations can firmly lock the bolt and concrete, effectively preventing any loosening caused by vibration
• 【Wide application】An ideal choice for numerous fields, Hex masonry nails are suitable for use in concrete, stone, brick, and wood. It's widely used for general masonry and concrete projects, as well as in machine manufacturing, automotive transport, electrical product installation, and for constructing steel bridges and shelving systems
• 【Easy Installation】These masonry screws for brick wall install easily without the need for an expansion tube or plastic plug, allowing you to anchor them directly into concrete and significantly improve your work efficiency. Simply mark your desired position, drill a hole to the corresponding depth(M8=8mm hole), clear out any dust and debris, and then drive the anchor screw into place for a secure and immediate hold(13mm wrench can be used)

DAIRYCOF 20PCS M8x100mm Flange Hex Head Concrete Screws, Self-Tapping Masonry Anchor Bolts for Brick Wall, Outdoor Use in Decking, Fencing, Wood, Stone Say Goodbye to Traditional Anchors and Upgrade to the Professional's Choice: The Ultimate Non-Expansion Concrete Screw Why Choose Us? Safety Design: The core advantage of these concrete anchor bolts lies in their advanced non-expansion design. This means they create a powerful grip without exerting outward pressure, eliminating the risk of cracking the base material—ideal for installations near edges. Furthermore, the integrated head is engineered with unique anti-rotation serrations that bite into the surface, creating a vibration-proof lock to ensure your fixtures stay permanently secure. Built for All-Weather and Harsh Environments: Our concrete screws are precision-engineered from premium galvanized carbon steel, offering exceptional hardness and resistance to corrosion and oxidation. Whether in a damp basement, an exposed outdoor setting, or a demanding factory floor, these anchor bolts are built to withstand the elements and ensure your project lasts a lifetime. Wide-Ranging Applications: An ideal choice for numerous fields, Hex masonry nails are suitable for use in concrete, stone, brick, and wood. It's widely used for general masonry and concrete projects, as well as in machine manufacturing, automotive transport, electrical product installation, and for constructing steel bridges and shelving systems. Installation Efficiency: These masonry screws for brick wall install easily without the need for an expansion tube or plastic plug, allowing you to anchor them directly into concrete and significantly improve your work efficiency. Simply mark your desired position, drill a hole to the corresponding depth(M8=8mm hole), clear out any dust and debris, and then drive the anchor screw into place for a secure and immediate hold. Product Specifications: Material: Galvanized Carbon Steel Size: M8x100mm Screw Length: 100mm/3.94in Screw Diameter: 8mm/0.31in Hexagonal Opposite Side: 12.8mm/0.51in Head Thickness: 9.9mm/0.40in Required Drill Bit: 8mm Required Wrench Size: 13mm Package Includes: 20 Pieces M8x100mm Hex Flange Concrete Screws