The M8 x 20 Cup Square Coach Bolt, compliant with DIN603/555 standards, offers robust fastening solutions for a variety of construction needs. Engineered for durability, its square neck ensures a secure fit, preventing rotation during installation. Ideal for wood-to-wood or wood-to-metal applications, this bolt provides reliable performance in both indoor and outdoor projects. Its corrosion-resistant properties make it suitable for diverse environments, ensuring long-lasting integrity and strength in every project.