Coach Bolt (or Carriage Bolt / Cup Square Bolt as they are also known). Made from steel with a hot dip galvanised surface treatment for enhanced durability and corrosion resistance, this Class 4.6 bolt features a metric thread and right thread direction. Compliant with DIN 603/555, ISO ≈8677/4034, BS ≈4933/3692, NEN ≈303/697 and NF ≈E27-351/E25-402 standards, this carriage bolt offers a combination of strength and corrosion resistance, making it an ideal choice for various applications. Please note that for these galvanised bolts, suitable nuts with a thread tolerance class 6AZ (oversized) are recommended, providing a secure and dependable fastening solution for your projects.