S-92790A671 7/8"-9 x 5" 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 with 316 Stainless Steel construction, ideal for harsh environments and chemical exposure
- High tensile strength of 75,000 psi ensures reliable load-bearing capacity and joint integrity in heavy-duty applications
- Class 2A thread fit provides consistent, precise assembly with standard UNC coarse threads for faster installation
- External hex drive design allows for high-torque tightening with common tools, reducing installation time and effort
- Partially threaded shank offers optimal grip length (3") for secure clamping in structural and machinery assemblies
- ASTM A193 Grade B8M compliance guarantees material quality and performance for high-temperature and pressure applications
- Rockwell B96 hardness enhances wear resistance and durability under repetitive stress and vibration
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 7/8"-9 UNC hex head screws in 316 Stainless Steel address critical challenges like corrosion, high stress, and thermal cycling. The coarse thread design ensures rapid installation and reduced cross-threading risks, while the external hex drive accommodates high torque for secure fastening in heavy machinery, marine equipment, and chemical processing systems. With ASTM A193 Grade B8M certification, they maintain mechanical properties in elevated temperatures, making them ideal for valves, flanges, and structural connections where reliability is non-negotiable. The partially threaded configuration provides focused clamping force, minimizing loosening in dynamic loads.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with Class 2A thread fit for consistent dimensional accuracy. It meets ASTM A193 Grade B8M specifications for material and performance, ensuring compliance with industrial fastening requirements. The product conforms to RoHS and REACH environmental directives, supporting safe and sustainable usage in global supply chains.
