Grafton Pipe Fittings is a trusted manufacturer and exporter of premium-grade industrial Nuts engineered to deliver uncompromising strength and performance in extreme conditions. Our fasteners are designed with meticulous attention to detail, adhering to stringent international standards to ensure reliability in high-pressure and high-temperature environments. We manufacture our nuts in compliance with ASTM A194 Grade 2H, a high-strength, heat-treated carbon steel standard, and identified under UNS K11572, which makes them highly suitable for bolting pressure vessels, flanges, valves, and fittings in the oil & gas, petrochemical, and power generation industries.

Our industrial nuts provide exceptional mechanical strength, resistance to atmospheric corrosion, and outstanding durability, making them an ideal solution for critical joint assemblies. These heavy hex nuts are compatible with B7 bolts and other alloy steel fasteners used in high-pressure piping systems. Grafton Pipe Fittings offers a broad size range, and all products undergo rigorous quality checks, including hardness testing, tensile testing, and dimensional accuracy assessments, ensuring compliance with global standards like ANSI, DIN, ISO, BS, and ASME.

The nuts manufactured by Grafton Pipe Fittings exhibit superior performance under fluctuating thermal conditions and aggressive media exposure, and are often chosen for applications requiring enhanced tensile strength and hydrogen sulfide (H2S) resistance. Our inventory includes both plain and zinc-coated nuts, giving clients the option to choose based on environmental and application-specific needs. The ASTM A194 2H Nuts we provide are precision-machined for high torque retention and easy installation, ensuring long-term service in refineries, chemical plants, pressure piping systems, and structural assemblies.

Grafton Pipe Fittings’ commitment to excellence has made us a go-to name for those seeking dependable fastening solutions. We also provide custom manufacturing for specialized nut grades, coatings, and dimensions to meet the unique needs of diverse industries. Whether it’s for offshore platforms, boiler manufacturing, heat exchangers, or pressure vessels, our nuts deliver unmatched performance under pressure.

Specification Of Nuts

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