Stainless Steel Carriage Bolts / round head square neck bolts 

Kotadia Inc., located in Ahmedabad, India, is a renowned manufacturer, supplier, and exporter of high-quality stainless steel carriage bolts / mushroom head square neck bolts din 603. We specialize in producing steel fasteners with a wide range of materials, grades, and standards to meet various industry needs.Carriage bolts, also known as coach bolts or round head square neck bolts, are fasteners designed for applications where a smooth finish and security are required on the bolted surface.

Materials:

1. • Stainless Steel: Carriage bolts / round head square neck bolt are commonly available in stainless steel grades such as 304 and 316. Stainless steel offers excellent corrosion resistance, making it suitable for outdoor and marine applications.
2. DIN 603 Standard:
   • Carriage bolts adhere to the DIN 603 standard, which specifies the dimensions, materials, and properties of carriage bolts. This ensures uniformity and compatibility across different applications.
3. Design:
   • Round Head: Carriage bolts feature a round, domed head with a flat underside to provide a smooth and finished appearance.
   • Square Neck: The square neck beneath the head of the bolt prevents it from rotating when tightened into wood or another material.
4. Applications:
   • Woodworking: Carriage bolts are commonly used in woodworking applications, such as fastening wooden beams, posts, and structures.
   • Construction: They are also suitable for construction projects where a clean, finished look is desired.
   • Outdoor Structures: Due to their corrosion resistance, stainless steel carriage bolts are ideal for outdoor structures like fences, decks, and pergolas.
   • Marine Environments: The durability of stainless steel makes carriage bolts suitable for use in marine environments, such as docks and boat construction.
5. Sizes and Dimensions:
   • Carriage bolts are available in various diameters and lengths to accommodate different applications and load requirements.
   • Common diameters range from M5 to M24, while lengths typically vary from 12mm to 200mm.
6. Installation:
   • Carriage bolts are installed by inserting the bolt into a pre-drilled hole in the material and securing it with a nut tightened onto the threaded end.
   • The square neck prevents the bolt from turning during tightening, providing a secure and stable connection.
7. Customization:
   • Carriage bolts can be customized based on specific requirements, including dimensions, materials, and surface finishes.

In summary, carriage bolts play a crucial role in various industries and applications, offering strength, durability, and a clean finish for secure fastening solutions.

Please feel free to contact us for further information, inquiries, or orders. Our experienced team is dedicated to providing top-notch products and services to meet your needs.