S-92655A675 7/8"-9 x 3 3/4" 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 industrial environments
- High tensile strength of 75,000 psi ensures reliable performance in demanding applications
- Precise Class 2A thread fit provides secure fastening and reduces assembly issues
- Coarse UNC threading enables quick installation and superior vibration resistance
- Partially threaded design with 1 3/4" grip length offers optimal clamping force control
- External hex drive compatibility allows for standard tool usage and efficient torque application
- ASTM A193 Grade B8 compliance guarantees material quality and performance consistency
Professional Applications & Engineering Value
This 7/8"-9 UNC hex head screw delivers critical engineering solutions where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel composition provides excellent protection against rust and chemical exposure, making it ideal for chemical processing, marine applications, and food processing equipment. The coarse thread design ensures rapid installation in structural steel connections, heavy machinery, and pressure vessel assemblies, while the partially threaded configuration allows for precise clamping force distribution. With 75,000 psi tensile strength and Rockwell B96 hardness, this industrial hex screw maintains reliability under extreme mechanical stress and thermal cycling conditions common in power generation and petrochemical industries.
Specification Summary & Compliance
Manufactured to ASTM A193 Grade B8 specifications with Class 2A thread fit tolerance ensuring precise dimensional accuracy. The fastener features UNC coarse threads (7/8"-9) in right-hand direction with 2" thread length and 3 3/4" overall length. Complies with ASTM A193 material standards and meets industry requirements for heavy-duty applications. The inch system measurements and external hex drive design provide compatibility with standard industrial tooling and maintenance procedures.
