Experience unmatched strength and reliability with MasonMate Heavy-Duty Zinc Plated Through Bolts, measuring M12 x 150mm. This convenient pack of 25 bolts is specifically engineered for use in non-cracked concrete, making them the perfect choice for securing columns, beams, brackets, and plates in your construction projects. The premium zinc plating not only enhances the durability of these bolts but also ensures they can withstand harsh environmental conditions, guaranteeing a long-lasting performance. With Option 7 ETA Approval, you can have complete confidence in the quality and effectiveness of MasonMate products. Elevate your building projects today with these essential through bolts and ensure a secure and sturdy installation.