S-94705A212 1/2"-13 x 2 1/2" ASTM A193 Steel Heavy Hex Head Screws for High-Pressure Applications
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 tensile strength of 125,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Rockwell C35 hardness provides superior resistance to wear and deformation, extending service life in demanding industrial environments.
- Class 2A thread fit offers consistent assembly and easy installation while maintaining secure fastening integrity.
- ASTM A193 Grade B7 compliance guarantees material quality and performance consistency for critical engineering applications.
- Coarse UNC threading enables quick assembly and disassembly, improving maintenance efficiency in industrial settings.
- External hex drive design allows for high torque application with standard tools, ensuring tight and secure connections.
- Partial threading with 1 1/4" grip length provides optimal clamping force distribution for structural stability.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these Grade B7 steel hex head screws deliver exceptional performance in high-pressure and high-temperature environments. The ASTM A193 specification ensures material integrity, while the coarse UNC thread pattern provides superior resistance to vibration loosening in machinery and structural assemblies. The partially threaded design with precise 1 1/4" thread length allows for controlled clamping force in pressure vessel flanges, valve assemblies, and structural steel connections. The external hex drive facilitates easy installation with standard wrenches, making them ideal for maintenance and construction applications where reliability and 125,000 psi tensile strength are critical for operational safety and longevity.
Specification Summary & Compliance
This 1/2"-13 UNC hex head screw features Class 2A thread fit tolerance for precise engagement and meets ASTM A193 Grade B7 specifications for high-temperature service. The fastener maintains inch system measurements with 2 1/2" overall length and 1 1/4" thread length, manufactured from steel with Rockwell C35 hardness and 125,000 psi tensile strength. Compliant with industrial standards for heavy-duty applications, ensuring reliable performance in critical engineering environments.
