S-92790A421 3/4"-10 x 2 1/2" ASTM A193 Super-Corrosion-Resistant 316 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life
• High tensile strength of 75,000 psi ensures reliable performance under heavy loads and demanding conditions
• ASTM Grade B8M certification guarantees material quality and consistency for critical industrial applications
• Coarse UNC threads provide faster installation and reduced risk of cross-threading compared to fine threads
• External hex drive design allows for high torque application with standard tools, ensuring secure fastening
• Partially threaded shank offers improved grip and clamping force control in assembled components
• Class 2A thread fit ensures smooth assembly and interchangeability with standard nuts and threaded holes

Professional Applications & Engineering Value

This 3/4"-10 UNC hex head screw is engineered to address critical challenges in industrial settings where corrosion resistance and structural integrity are paramount. Constructed from 316 Stainless Steel and meeting ASTM A193 specifications, it excels in chemical processing, marine, and high-humidity applications where standard fasteners fail. The coarse thread design facilitates quick assembly in field conditions, while the external hex drive accommodates high torque requirements for heavy machinery and structural connections. With partial threading optimizing grip length, it prevents joint loosening under vibration, making it an essential heavy-duty fastener for pumps, valves, and pressure vessel assemblies requiring ASTM Grade B8M compliance.

Specification Summary & Compliance

This fastener features Class 2A thread fit per UNC standards, ensuring dimensional accuracy and compatibility. It complies with ASTM A193 manufacturing specifications for high-temperature service and is manufactured from 316 Stainless Steel meeting ASTM Grade B8M requirements. The product adheres to industry standards for inch fasteners with precise thread dimensions (3/4"-10 UNC) and is suitable for applications requiring 75,000 psi tensile strength and Rockwell B96 hardness. Materials used are RoHS and REACH compliant, providing environmental safety alongside mechanical reliability.