S-91251A350 10-32 x 7/16" 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.
- Precise Class 3A thread fit provides superior engagement and vibration resistance, maintaining joint integrity in demanding environments.
- Black-oxide surface treatment on alloy steel offers enhanced corrosion resistance and a durable, non-reflective finish for long-term use.
- Fully threaded fine UNF design allows for maximum adjustability and secure fastening in precision assemblies with fine thread requirements.
- Hex socket drive (5/32") enables easy installation and high torque application with standard tools, minimizing slippage and damage.
- High hardness (Rockwell C37) ensures excellent wear resistance and durability, extending the screw's service life in repetitive or abrasive conditions.
- Compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety, meeting rigorous industrial and regulatory standards.
Professional Applications & Engineering Value
This 10-32 UNF Class 3A socket head cap screw is engineered to address critical challenges in industrial settings, such as vibration loosening and corrosion. The black-oxide alloy steel construction, combined with a fine thread spacing and fully threaded design, ensures secure, tamper-resistant connections in machinery, automotive, and aerospace applications. Its high tensile strength and hardness provide reliable performance under heavy loads, while the hex drive allows for efficient installation in confined spaces. Ideal for precision assemblies requiring consistent clamping force, this screw minimizes maintenance needs and enhances operational safety in demanding environments.
Specification Summary & Compliance
This screw features a 10-32 UNF thread with Class 3A fit for precise tolerance, ensuring optimal thread engagement. It adheres to ASTM A574 specifications for high-strength alloy steel socket head cap screws, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial use without hazardous substances.
