S-92790A683 1"-8 x 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
- Exceptional corrosion resistance with 316 Stainless Steel construction, ideal for harsh marine and chemical environments
- High tensile strength of 75,000 PSI ensures reliable performance under heavy loads and vibration
- Superior durability with Rockwell B96 hardness for long service life and reduced replacement frequency
- Precise Class 2A thread fit provides smooth assembly and consistent clamping force in industrial applications
- External hex drive design allows for easy installation and removal with standard tools, reducing labor time
- ASTM A193 Grade B8M certification guarantees material quality and compliance with industry standards
- Partially threaded shank offers optimal grip length for secure fastening in structural connections
Professional Applications & Engineering Value
Engineered for demanding industrial and marine settings, this 1"-8 UNC Hex Head Screw in 316 Stainless Steel addresses critical challenges like corrosion, high stress, and environmental exposure. The coarse UNC thread and Class 2A fit ensure rapid installation and reliable performance in heavy machinery, offshore platforms, and chemical processing equipment. With a 75,000 PSI tensile strength and Rockwell B96 hardness, it resists deformation under load, while the external hex drive simplifies maintenance. This partially threaded fastener provides secure clamping in flanges, valves, and structural assemblies, reducing downtime and enhancing operational safety.
Specification Summary & Compliance
This hex head screw features a 1"-8 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy. It complies with ASTM A193 Grade B8M specifications, ensuring material integrity and performance in high-temperature and corrosive environments. The fastener meets industry standards for tensile strength (75,000 PSI) and hardness, with RoHS and REACH compliance for environmental safety in global applications.
