In pipeline systems, the quality of fasteners is crucial for overall safety and long-term reliability. As a leading expert with over 40 years of experience in the pipeline industry, Haihao Group not only provides pipes, fittings, and flanges but also offers high-quality fasteners that comply with international standards, ensuring system stability and security.
high quality pipeline system fastener
Recently, we successfully produced and delivered a batch of high-standard fasteners for a domestic client, including hex head bolts, hex nuts, hex lock nuts, hex socket bolts, washers, split pins, clevis pins, circlips, W-clips, and more. These products are widely used in industries such as oil & gas, marine engineering, petrochemicals, and energy.
This batch of fasteners strictly adheres to multiple international standards, including:
✅ DIN 933 / DIN 931 – Hex bolts with high strength and durability
✅ ISO 10511 / DIN 934 / DIN 439 – Nut standards for various fastening needs
✅ ISO 7042 / DIN 1587 – Lock nuts and cap nuts with anti-loosening design for enhanced security
✅ DIN 7991 / DIN 912 – Hex socket bolts for compact connections
✅ DIN 125 / DIN 9021 – Washer standards to improve fastener stability
✅ ISO 7380 / ISO 2341 – Button head screws and clevis pins for specific engineering applications
By strictly following these international standards, our products ensure high strength, corrosion resistance, and precise dimensions, making them highly reliable even in high-pressure, high-temperature, and extreme environments.
high quality pipeline system fastener bolt
With cutting-edge production technology and a rigorous quality management system, Haihao Group has successfully supplied fasteners and pipeline accessories for numerous major projects worldwide. Our products are widely used in:
✔ Offshore oil & gas projects
✔ LNG liquefied natural gas engineering
✔ Chemical and energy transportation pipelines
✔ Shipbuilding and marine engineering
Additionally, our pipeline system products are certified by ABS, DNV, BV, RINA, RS, and other renowned classification societies, further proving their compliance with international high standards and their ability to perform in the most demanding environments.
As a global pipeline system integration supplier, Haihao Group is committed to high-standard manufacturing, continuously improving product quality and service capabilities to meet the diverse needs of clients worldwide. Moving forward, we will continue to track industry developments and provide top-quality products and services, supporting the successful execution of engineering projects around the world. Email:sales@haihaogroup.com
