We are manufacturer, supplier and exporter of alloy steel ASTM A193 stud bolts and hex bolts. Available in B7, B7M, B16, B8 B8M Class 1, B8M Class 2, B8T grades.

The A193 stud bolt is a type of fastener specifically designed for high-temperature and high-pressure applications. It is made according to ASTM A193 specifications, which govern alloy and stainless steel bolting materials for pressure vessels, valves, flanges, and fittings. These bolts are widely used in the petrochemical, photovoltaic power plant, and industrial construction sectors.

The Grade B7 specification is heavily utilized in petroleum and chemical construction applications. The ASTM standard covers alloy steel and stainless steel bolting materials for high temperature or high-pressure service. This specification includes fasteners intended for use in pressure vessels, valves, flanges, and fittings. Although, this material is often available in national coarse (UNC) thread pitches, if being used in traditional applications, threads are specified 8 threads per inch (tpi) for diameters above one inch.

Bigboltnut is a leading bolt and nuts manufacturer ,exporter of industrial fasteners, including A193 stud bolts. The company is known for its commitment to quality, innovation, and customer satisfaction.