Elevate your construction projects with MasonMate M16 Zinc Plated Through Bolts, measuring 140mm and conveniently packaged in a box of 20. These heavy-duty fasteners are engineered for exceptional performance in non-cracked concrete, making them the perfect choice for securing columns, beams, brackets, and plates with confidence. The corrosion-resistant zinc plating ensures these through bolts provide long-lasting durability, even in challenging environments. Ideal for both professional contractors and DIY enthusiasts, MasonMate fasteners are your reliable partner for all fastening needs. With Option 7 ETA Approval, you can trust in their quality and safety. Enhance your toolkit today with these essential and robust fasteners that promise to deliver strength and reliability in every application.