S-92655A338 3/8"-16 x 1 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 for longevity in harsh environments
- Superior load-bearing capacity with 75,000 psi tensile strength to withstand high-stress applications
- Optimized thread engagement through Class 2A fit and coarse UNC threading for faster installation and vibration resistance
- Enhanced durability with Rockwell B100 hardness providing excellent wear resistance and deformation prevention
- Reliable industrial performance backed by ASTM A193 Grade B8 certification for consistent quality and material integrity
- Efficient installation and removal with external hex drive design allowing high torque application with standard tools
- Full-threaded versatility enabling secure fastening across the entire 1-1/4" length for various material thicknesses
Professional Applications & Engineering Value
These 3/8"-16 UNC hex head screws deliver critical engineering solutions for demanding industrial applications where corrosion resistance and high tensile strength are paramount. The 18-8 stainless steel composition combined with ASTM A193 Grade B8 certification ensures reliable performance in chemical processing, marine environments, and high-temperature applications. The coarse thread spacing and Class 2A thread fit provide superior engagement in soft materials and prevent cross-threading during assembly, while the external hex drive enables high-torque installation without stripping. These fully threaded fasteners maintain structural integrity under vibration and thermal cycling, making them ideal for pressure vessels, piping systems, and heavy machinery where failure is not an option.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with 3/8"-16 UNC coarse threads maintaining Class 2A tolerance for consistent fit. Complies with ASTM A193 specification for high-temperature service, featuring right-hand thread direction and fully threaded design. The 18-8 stainless steel material meets industry standards for corrosion resistance and mechanical properties, ensuring reliable performance in critical applications where material traceability and certification are required.
