S-92655A613 1/2"-13 x 2 1/4" 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 from 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 excellent durability and resistance to wear
- Coarse UNC threading with Class 2A fit enables quick installation and secure fastening
- Partial threading with 1" grip length offers precise clamping force control in assembled components
- External hex drive design allows for high-torque application with standard tools
- ASTM A193 Grade B8 certification guarantees consistent quality and material integrity
Professional Applications & Engineering Value
These 18-8 stainless steel hex head screws deliver critical performance advantages in demanding industrial settings where corrosion resistance and structural integrity are paramount. The 1/2"-13 UNC coarse thread configuration provides superior engagement in various materials while resisting vibration-induced loosening. The partial threading design ensures optimal stress distribution across fastened joints, making these fasteners ideal for pressure vessels, piping systems, and heavy machinery applications. With ASTM A193 Grade B8 compliance, these screws meet rigorous standards for high-temperature and high-pressure environments, offering engineers reliable solutions for critical connections in chemical processing, oil and gas, and power generation industries.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread fit tolerance for consistent performance. Threading conforms to UNC coarse thread standards with 1/2"-13 specification. These fasteners meet ASTM A193 Grade B8 material and manufacturing requirements, ensuring compliance with industrial specifications for high-strength applications. The 18-8 stainless steel composition provides inherent corrosion resistance while maintaining mechanical properties across various operating conditions.
