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• 1. What is a carriage bolt (DIN 603)?

  A carriage bolt (DIN 603) is a type of fastener with a rounded, domed head and a square section underneath the head. It is designed to be used in wood or metal applications where the square section prevents the bolt from rotating during tightening.

• 2. How do carriage bolts work?

  The square neck of the carriage bolt fits into a pre-drilled square or round hole, preventing the bolt from rotating while tightening the nut. This allows for secure fastening without the need for holding the bolt head.

• 3. Are carriage bolts available in different sizes?

  Yes, carriage bolts are available in various diameters and lengths, commonly ranging from M5 to M20 in diameter. The length depends on the thickness of the material being fastened.

• 4. What is a carriage bolt (DIN 603)?

  A carriage bolt, according to DIN 603 standards, is a bolt with a rounded, domed head and a square neck that prevents it from turning once inserted into a hole. It is commonly used for wood-to-wood or wood-to-metal connections.

• 5. What materials are carriage bolts made from?

  Carriage bolts are typically made from materials like carbon steel, stainless steel, and brass. They may also have protective coatings like zinc plating or galvanization for enhanced corrosion resistance, especially in outdoor environments.