S-91205A673 1/4"-28 x 2" ASME B18.3, ASTM A574 Alloy Steel Thread-Locking Socket Head Screws
Alloy Steel Thread-Locking 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 vibration resistance with the integrated Nylon Patch thread locker, ensuring long-term stability in dynamic applications.
- Exceptional tensile strength of 170,000 psi for reliable performance under high-stress conditions, reducing the risk of fastener failure.
- Durable Black-Oxide finish on Alloy Steel provides enhanced corrosion resistance and a professional appearance in harsh environments.
- Precise Class 3A thread fit guarantees tight tolerances and smooth assembly, minimizing play and improving joint integrity.
- Wide temperature tolerance from -70° to 250°F allows consistent operation in extreme thermal conditions without degradation.
- Hex socket drive design enables easy installation with standard tools, reducing assembly time and improving accessibility in confined spaces.
- Compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for safe, global use.
Professional Applications & Engineering Value
This 1/4"-28 UNF Socket Head Cap Screw is engineered to address common industrial challenges such as loosening under vibration and corrosion in demanding settings. The Black-Oxide Alloy Steel construction offers robust durability, while the Nylon Patch thread locker secures fasteners against shock and movement, making it ideal for machinery, automotive, and aerospace assemblies. With a fine thread design and Class 3A fit, it provides superior clamping force and precision in high-stress joints, enhancing overall equipment reliability and reducing maintenance needs in critical applications.
Specification Summary & Compliance
This product features a Class 3A thread fit for high precision, adhering to UNF fine thread standards with a thread size of 1/4"-28. It meets ASME B18.3 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry reliability.
