S-92655A627 5/8"-11 x 1 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 under heavy loads and vibration
- Rockwell B100 hardness provides superior durability and resistance to wear over extended use
- Coarse UNC threading with Class 2A fit enables quick installation and secure fastening in various materials
- External hex drive design allows for high-torque application using standard tools without stripping
- Partial threading offers optimal grip length control for precise clamping force distribution
- ASTM A193 Grade B8 certification guarantees consistent quality and compliance with industrial standards
Professional Applications & Engineering Value
These 5/8"-11 UNC hex head screws deliver critical performance in demanding applications where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel composition combined with ASTM A193 Grade B8 certification ensures long-term reliability in chemical processing, marine equipment, and high-temperature assemblies. The coarse thread design provides superior holding power in softer materials and faster installation times, while the partial threading configuration prevents thread damage in blind holes. With 75,000 psi tensile strength and external hex drive, these fasteners withstand extreme mechanical stress while enabling efficient maintenance access in confined spaces.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread fit tolerance for consistent engagement. The UNC coarse thread pattern (5/8"-11) follows standardized threading specifications. These hex head screws comply with ASTM A193 material and testing requirements for pressure system components. The 18-8 Stainless Steel composition meets industry standards for corrosion resistance and mechanical properties, suitable for various industrial applications requiring certified stainless steel fasteners.
