S-92655A642 5/8"-11 x 8" 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 under heavy loads and stress
- Coarse UNC threading provides faster installation and superior grip in various materials
- External hex drive design allows for easy tightening with standard tools, reducing assembly time
- Class 2A thread fit guarantees precise, consistent engagement for secure fastening
- Partially threaded shank offers optimal clamping force with 6 1/4" grip length
- ASTM A193 Grade B8 compliance ensures material integrity for high-temperature and pressure applications
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 5/8"-11 UNC hex head screws deliver robust performance in critical applications. The 18-8 Stainless Steel material provides excellent resistance to corrosion and oxidation, making them suitable for chemical processing, marine, and outdoor installations. With a coarse thread and external hex drive, they enable quick, secure fastening in structural assemblies, machinery, and piping systems. The partially threaded design concentrates clamping force where needed, reducing the risk of joint failure. These screws meet ASTM A193 Grade B8 standards, ensuring reliability in high-stress environments where temperature fluctuations and mechanical loads are common.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit per UNC standards, with a thread size of 5/8"-11 and length of 8". It complies with ASTM A193 Grade B8 specifications for material and performance, ensuring consistent quality and durability. The product adheres to industry standards for dimensional accuracy and is suitable for applications requiring 75,000 PSI tensile strength and Rockwell B100 hardness. Meets common regulatory requirements for industrial fasteners, including RoHS and REACH where applicable.
