XxinXrong 40 Pcs M8x60mm Concrete Screws, Zinc Plated Hex Head Masonry Screws - No Plug Required for Brick, Block & Concrete (M8 x 60mm)

• Heavy-Duty Construction: Grade 8.8 carbon steel with triple-layer zinc plating (ISO 4042), providing 800h+ salt spray resistance for outdoor/exposed applications.
• High-Torque Hex Head: 13mm wrench size (BS 3692 compliant) withstands 50Nm tightening torque. Integrated washer prevents over-penetration.
• Direct-Fix Technology: Self-tapping thread cuts into C25-C60 concrete without plugs or anchors. Saves 60% installation time vs traditional methods.
• Structural Performance: 300kg+ pull-out strength in solid substrates (tested to BS 8539). Vibration-resistant design for industrial machinery.
• Professional 40-Pack: UKCA marked for construction sites. Covers 10m² at 400mm spacing - ideal for steel framing and electrical installations.

What are the advantages of our m8 screws? 1. Concrete Screw M8 is made of high-quality galvanized carbon steel, and has a smooth, shiny surface, excellent corrosion and oxidation resistance, effective anti-rust, and a long service life. 2. Concrete screws without dowel with hexagonal head and washer drive structure, high torsional strength, excellent compressive strength, good torsional rigidity, stable after installation and non-slip, ensures reliable connection. 3. No elaborate pre-treatment or additional expansion tube required. The wall screws without dowels can be embedded directly in concrete. Installation is simple, saves time and improves construction efficiency. 4. The installation is firm and will not come off easily after embedding. This ensures permanent and reliable fastening of buildings, industrial plants, etc. 5. 40pcs M8 x 60mm specifications, suitable for masonry, concrete construction, construction, industrial equipment installation, automobile transportation machinery, electrical products and other fields, with strong versatility Properties: Material: Carbon Steel Color: as shown Scope of delivery: 40 pieces M8 x 60 mm Warranty after purchase: If you have any questions, please contact us in time. We will answer your questions as soon as possible. Hints: The dimensions are measured manually. Please expect minor deviations. The color may vary slightly from the online image due to your monitor's color settings. Please refer to the actual product. Thank you for your understanding.