S-91251A936 1"-8 x 14" 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 on alloy steel, extending service life in harsh industrial environments.
- Precise Class 3A thread fit provides tight tolerances and secure fastening, minimizing loosening under vibration or load.
- Heavy-duty construction with Rockwell C37 hardness offers excellent durability and wear resistance for long-term use.
- Easy installation and removal with a 3/4" hex drive socket head, allowing for efficient assembly in confined spaces.
- Versatile coarse UNRC thread design enables quick engagement and disassembly, ideal for repetitive maintenance tasks.
- Compliance with ASTM A574, RoHS 3, and REACH standards ensures environmental safety and meets rigorous industry specifications.
Professional Applications & Engineering Value
This black-oxide alloy steel socket head cap screw is engineered to address critical challenges in demanding sectors like industrial machinery, automotive assembly, and construction. The 1"-8 coarse thread and Class 3A thread fit provide superior clamping force and vibration resistance, preventing joint failure in high-load scenarios. Made from high-strength alloy steel with a protective black-oxide surface treatment, it combats corrosion and wear, ensuring longevity in exposed or abrasive conditions. The partially threaded design and 14" length allow for precise positioning and secure fastening in heavy-duty frames, equipment mounts, and structural applications, delivering reliable performance where safety and durability are paramount.
Specification Summary & Compliance
This screw features a 1"-8 coarse UNRC thread with Class 3A thread fit for high precision, a minimum thread length of 2 1/2", and a partially threaded rod type. It meets ASTM A574 specifications for alloy steel socket head cap screws and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use in various industries.
