S-92655A628 5/8"-11 x 2 1/4" ASTM A193 18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications
18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing maintenance costs
- High tensile strength of 75,000 PSI ensures reliable performance under heavy loads and mechanical stress
- Coarse UNC threading with Class 2A fit provides quick assembly and secure, vibration-resistant connections
- Partially threaded design allows for precise clamping force control and improved joint stability
- External hex drive and hex head enable easy installation and removal with standard tools, reducing labor time
- ASTM A193 Grade B8 certification guarantees material quality and compliance with industrial standards for safety
- Durable Rockwell B100 hardness maintains fastener integrity and resists wear over extended use
Professional Applications & Engineering Value
This 5/8"-11 UNC Hex Head Screw is engineered to address common industrial challenges, such as corrosion-induced failure and joint loosening under dynamic loads. Made from 18-8 Stainless Steel, it offers superior resistance to rust and chemicals, making it ideal for applications in marine, chemical processing, and outdoor infrastructure. The coarse thread and Class 2A fit ensure quick, reliable fastening in high-vibration environments, while the partial threading provides optimal grip length for secure connections in machinery, structural assemblies, and heavy-duty equipment. With ASTM Grade B8 compliance, it meets rigorous standards for high-temperature and pressure scenarios, delivering long-term reliability and reducing downtime in demanding operations.
Specification Summary & Compliance
This fastener adheres to precise dimensional tolerances, including a Class 2A thread fit for consistent engagement and UNC coarse threading per standard inch system specifications. It complies with ASTM A193 manufacturing standards for material and performance, ensuring reliability in industrial applications. The product meets common regulatory requirements for quality and safety in professional use.
