Experience the unmatched strength and reliability of MasonMate Zinc Plated Through Bolts, M20 x 160mm, now available in a convenient box of 10. These heavy-duty fasteners are engineered for secure installation in non-cracked concrete, making them perfect for a wide range of applications such as supporting columns, beams, brackets, and plates. The premium zinc-plated finish not only enhances their durability but also provides excellent corrosion resistance, ensuring your projects remain robust over time. When you choose MasonMate, you are investing in quality and performance you can rely on. Plus, these bolts are ETA Approved, giving you added confidence in your construction projects.