S-91251A859 3/4"-10 x 6" ASTM A574 Alloy Steel Socket Head Screws
Alloy 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
- Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from the black-oxide finish extends service life in harsh industrial environments, minimizing maintenance needs.
- Precise Class 3A thread fit provides tight tolerances for secure fastening and vibration resistance in critical assemblies.
- High hardness rating (Rockwell C37) offers excellent wear resistance, maintaining thread integrity through repeated use.
- Partially threaded design allows for optimal clamp load distribution and easier alignment in structural applications.
- Coarse UNRC threads enable quick installation and removal, boosting efficiency in maintenance and assembly operations.
- Compliance with ASTM A574 guarantees consistent quality and material properties for engineering reliability.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these socket head cap screws deliver robust performance where high tensile strength and corrosion resistance are critical. The black-oxide alloy steel construction, combined with a Rockwell C37 hardness, addresses common challenges like material fatigue and environmental degradation in machinery, automotive, and heavy equipment applications. The Class 3A thread fit and coarse UNRC threads ensure secure, vibration-resistant connections, reducing loosening in dynamic loads. Ideal for high-stress assemblies, these screws provide long-term reliability, supported by ASTM A574 standards, making them a trusted choice for engineers prioritizing durability and compliance.
Specification Summary & Compliance
This screw features a 3/4"-10 thread size with Class 3A thread fit and coarse UNRC thread type, ensuring precise dimensional accuracy per inch system standards. Manufactured to meet ASTM A574 specifications, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming environmental and safety adherence for industrial use.
