Enhance your construction projects with the MasonMate Heavy-Duty Zinc Plated Through Bolts, M16 x 180mm, available in a convenient box of 20. These robust bolts are specifically engineered for use in non-cracked concrete, making them ideal for securing columns, beams, brackets, and plates with confidence. The premium zinc plating not only increases durability but also provides excellent corrosion resistance, ensuring that your fasteners perform reliably in a variety of environments. With Option 7 ETA Approval, these through bolts meet high safety and quality standards, making them suitable for both professional builders and DIY enthusiasts. Don’t compromise on quality; upgrade your toolkit today with these essential heavy-duty fasteners that promise long-lasting performance and peace of mind.