✅ Need to secure fixtures in concrete? Our metal expansion anchors with concrete drill bit are perfect for installing benches, fencing or panels. Use these hex anchor bolts or expansion screws to fasten shelves, supports, ladders, ventilation ducts, handrails, worktops, timber structures and more. They withstand medium to heavy loads and arrive with a drill bit included for hassle-free installation. ✅ Made from high-grade steel, these heavy duty anchor bolts serve as reliable fixing bolts and deliver a mechanical anchoring solution for heavy loads in concrete. They offer a stable, precise hold in interior and exterior settings, even under corrosive atmospheres or extreme conditions. Engineered for effortless fitting, maximum load capacity and superior safety, they adapt seamlessly to both professional and DIY projects. ✅ Typical applications include securing metal profiles, heavy structures, handrails, street lighting poles and more. This set excels on base materials such as concrete, solid brick and natural stone, while also anchoring iron reinforcement bars. Additionally, these expansion anchor bolts are ideal for hanging a punching bag from the ceiling or fixing heavy equipment to floors. ✅ Contents: 20 expansion screws + 1 concrete drill bit. Thread: hexagon head M8-10. Recommended hole size: 12 mm. Perfect for hardware and woodwork tasks. Installation steps: 1. Drill hole to correct depth; 2. Clear debris; 3. Insert the concrete expansion anchor; 4. Tighten to specified torque. ✅ [IMPORTANT] - 100% SATISFACTION - If you have any issues with our product, please contact us for assistance. We are here to help with any questions or concerns you may have., Manufacturer: DOJA Barcelona