Carriage Bolt (DIN 603) | Round Head Square Neck Bolt

High Quality Galvanized Carriage Bolts (Coach Bolts). Standard: DIN 603 / ISO 8677 / GB 14. Design: Mushroom Head with Square Neck (Anti-spin). Material: Carbon Steel (4.8/8.8) or Stainless Steel. Application: Wood-to-wood or wood-to-metal connections.