Grafton Pipe Fittings is a leading manufacturer and supplier of premium quality Screw ASTM A193 Grade B7, known for its exceptional mechanical strength and corrosion resistance. Manufactured from UNS K03086, this high-strength alloy steel screw is engineered to meet the stringent demands of industrial applications across oil & gas, petrochemical, construction, power plants, and heavy machinery sectors. These screws are widely used in bolting applications that require high tensile strength and excellent durability in elevated temperature environments.

As a reputed name in the global fasteners industry, Grafton Pipe Fittings ensures each Screw undergoes strict quality checks and is supplied with Material Test Certificates (MTC) to meet international standards including ASTM, ASME, DIN, ISO, and BS. The ASTM A193 Grade B7 Screw conforms to a universal standard for alloy steel bolting materials and is designed for high-pressure and high-temperature service. These screws are quenched and tempered, offering superior hardness and resistance to stress corrosion cracking.

We cater to both standard and customized requirements, offering metric and imperial sizes with finishes such as black oxide, zinc plated, hot-dip galvanized, and more, based on client demands. Our production capabilities are supported by state-of-the-art infrastructure and a dedicated quality assurance team, ensuring that every Screw ASTM A193 B7 we deliver meets or exceeds global benchmarks.

We continuously innovate and invest in advanced manufacturing techniques to ensure our products not only meet today's requirements but also future-proof your applications. When you choose Grafton Pipe Fittings, you partner with a company committed to quality, reliability, and precision.

Specification Of Screw

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