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Stainless 304 B8 Heavy HHCS, ASTM A193 Class 1 (Inch)
Our Stainless Steel 304 B8 Heavy Hex Head Cap Screws manufactured to ASTM A193 Class 1 are high‑strength, corrosion‑resistant fasteners designed for demanding industrial, structural, and pressure‑service applications. Produced from Type 304 stainless steel and heat‑treated to ASTM A193 Grade B8, Class 1, these fasteners provide reliable tensile strength, consistent mechanical properties, and long service life in a wide range of environments.
The heavy hex head design offers a larger bearing surface and increased wrenching area compared to standard hex head screws, allowing improved torque application and enhanced load distribution in critical joints. These fasteners are typically supplied in inch thread series and are commonly used in flanged connections, pressure vessels, piping systems, and structural assemblies where ASTM compliance and dependable performance are required.
Engineered for durability and versatility, ASTM A193 Class 1 B8 Heavy Hex Cap Screws are widely used in chemical processing equipment, water treatment facilities, power generation applications, and general industrial installations. The 304 stainless material provides excellent resistance to corrosion in indoor and light‑to‑moderate outdoor environments, while the heavy hex head supports high clamp loads and stable installation. Available in a broad range of diameters and lengths, these fasteners offer a dependable solution for OEM manufacturing, maintenance, and repair operations where strength, dimensional consistency, and corrosion resistance are essential.
