S-92790A633 5/8"-11 x 2 1/4" ASTM A193 Super-Corrosion-Resistant 316 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications
Super-Corrosion-Resistant 316 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
- Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
- Exceptional mechanical strength with 75,000 psi tensile strength for demanding applications
- Reliable and secure fastening ensured by Class 2A thread fit and UNC coarse threads
- Optimized for high-torque installation with a large 1 1/16" external hex head
- Enhanced durability and longevity from Rockwell B96 hardness and ASTM A193 compliance
- Versatile partial threading providing a non-threaded grip length for precise clamping
- Guaranteed material integrity and performance traceability through ASTM Grade B8M certification
Professional Applications & Engineering Value
This 5/8"-11 UNC hex head screw is engineered to solve critical fastening challenges in aggressive industrial settings. The 316 Stainless Steel composition offers outstanding resistance to chemicals, saltwater, and other corrosive agents, making it indispensable for marine, chemical processing, and offshore applications. The partially threaded design with a defined grip length ensures that the unthreaded shank bears the shear load, preventing loosening under vibration and providing more predictable clamping force. Combined with the coarse UNC thread and external hex drive, these screws enable rapid assembly and high clamp load in heavy machinery, structural steel connections, and pressure vessel assemblies where ASTM Grade B8M certification is often a mandatory requirement for safety and reliability.
Specification Summary & Compliance
This fastener features a 5/8"-11 UNC thread with Class 2A tolerance for consistent fit. It is manufactured from 316 Stainless Steel to ASTM A193 specification, meeting ASTM Grade B8M requirements for chemical and mechanical properties. The screw is compliant with RoHS and REACH environmental regulations, ensuring suitability for global industrial supply chains.
