S-92655A456 5/8"-11 x 3" 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
- Superior corrosion resistance with 18-8 stainless steel construction for extended service life in harsh environments
- High tensile strength of 75,000 psi ensures reliable performance under heavy loads and stress conditions
- Precision Class 2A thread fit provides consistent engagement and reduces assembly issues
- External hex drive design allows for easy installation with standard tools and high torque application
- Coarse UNC threading offers faster assembly and better performance in vibration-prone applications
- ASTM A193 Grade B8 certification guarantees material quality and compliance with industrial standards
- Partially threaded shank provides optimal grip length for secure fastening in structural applications
Professional Applications & Engineering Value
This 5/8"-11 UNC hex head screw delivers exceptional engineering value across demanding industrial applications where corrosion resistance and mechanical strength are critical. The 18-8 stainless steel composition provides inherent protection against rust and chemical degradation, making it ideal for chemical processing, marine environments, and food processing equipment. The coarse thread spacing ensures reliable performance in materials prone to vibration loosening, while the external hex drive facilitates quick installation and removal with standard tools. With partial threading and precise Class 2A fit, this fastener maintains structural integrity in high-stress connections, from heavy machinery to structural steel assemblies, reducing maintenance frequency and downtime.
Specification Summary & Compliance
This hex head screw features 5/8"-11 UNC coarse threads with Class 2A thread fit tolerance for precise engagement. Manufactured from 18-8 stainless steel meeting ASTM A193 Grade B8 specifications, it delivers 75,000 psi tensile strength and Rockwell B100 hardness. The fastener complies with ASTM A193 material standards and is suitable for applications requiring reliable performance in corrosive environments. Dimensions include 3" overall length with 1½" thread length and 1-1/16" hex head width for standard tool compatibility.