S-90346A113 4-40 x 1/2" ASME B18.3 High-Strength 316 Stainless Steel Socket Head Screws
High-Strength 316 Stainless Steel Socket Head Screws
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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 in harsh environments thanks to 316 Stainless Steel construction, ideal for chemical processing and marine applications.
- Exceptional mechanical strength with a 110,000 psi tensile strength and Rockwell C25 hardness, ensuring reliable performance under high stress.
- Precise and secure fastening achieved with a Class 3A thread fit, minimizing the risk of loosening in critical assemblies.
- Optimized for high-torque installation using a standard hex socket drive, providing a secure grip and reducing the risk of tool slippage.
- Enhanced durability and fatigue resistance from the cold-worked fabrication process, extending the fastener's service life.
- Full thread engagement along the 1/2" length for maximum grip and load distribution in tapped holes.
- Guaranteed compliance and reliability meeting ASME B18.3 specifications, ensuring interchangeability and performance in professional settings.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this 316 Stainless Steel Socket Head Cap Screw provides a robust solution where corrosion resistance and high tensile strength are paramount. The UNC coarse thread and Class 3A fit ensure rapid assembly and a secure, vibration-resistant connection in machinery, automotive, and aerospace components. Its cold-worked manufacturing enhances grain structure, offering superior fatigue life compared to standard fasteners. The hex socket drive allows for high torque application in confined spaces, making it an essential industrial fastener for precision equipment and structural assemblies exposed to aggressive environments.
Specification Summary & Compliance
This fastener features a 4-40 UNC thread with a precision Class 3A fit for consistent dimensional accuracy. Manufactured in compliance with ASME B18.3 standards, it ensures reliable performance and interchangeability. The product is fully certified as RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.
