S-92655A426 1/2"-13 x 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 thanks to 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
- Precise Class 2A thread fit guarantees easy assembly and secure fastening with standard nuts
- Rockwell B100 hardness provides excellent durability and resistance to wear over time
- External hex drive design allows for high-torque installation with common tools
- Coarse UNC threading enables quick installation and superior grip in various materials
- ASTM A193 compliance ensures consistent quality and reliability for critical applications
Professional Applications & Engineering Value
These 1/2"-13 UNC Hex Head Screws deliver outstanding engineering value in demanding industrial settings. Manufactured from 18-8 Stainless Steel with ASTM Grade B8 certification, they provide exceptional corrosion resistance while maintaining 75,000 psi tensile strength - making them ideal for chemical processing, marine equipment, and structural applications where reliability is paramount. The partially threaded design with coarse UNC threading ensures optimal clamping force distribution, while the external hex drive accommodates high-torque installation. These screws effectively solve common fastening challenges by combining corrosion resistance with mechanical strength, preventing failure in vibration-prone environments and reducing maintenance costs.
Specification Summary & Compliance
These hex head screws feature Class 2A thread fit per UNC standards with precise dimensional accuracy. The manufacturing complies with ASTM A193 specifications for high-temperature service, while the 18-8 Stainless Steel composition meets industry standards for corrosion resistance. The fasteners are manufactured to ASTM Grade B8 requirements, ensuring consistent mechanical properties including the specified 75,000 psi tensile strength and Rockwell B100 hardness. The inch system measurements maintain compatibility with standard industrial equipment and components.
