S-90128A745 5/16"-24 x 3/4" 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.
- Class 3A fine thread fit provides superior precision and vibration resistance, maintaining secure connections in demanding environments.
- Zinc-plated alloy steel construction offers excellent corrosion resistance, extending service life and reducing maintenance needs.
- Fully threaded design allows for maximum engagement and uniform clamping force across the entire length.
- 1/4" hex drive socket head enables easy installation and removal with standard tools, minimizing assembly time.
- Rockwell C37 hardness ensures high durability and wear resistance, suitable for repetitive industrial use.
- Compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety for global supply chains.
Professional Applications & Engineering Value
This 5/16"-24 UNF Socket Head Cap Screw is engineered to address critical challenges in precision assembly and heavy-duty machinery. The zinc-plated alloy steel material provides robust protection against rust and corrosion, ideal for industrial environments exposed to moisture or chemicals. Its Class 3A fine thread and fully threaded rod design ensure tight, secure fastening that resists loosening under vibration, making it perfect for automotive, aerospace, and manufacturing equipment. The high tensile strength of 170,000 PSI and Rockwell C37 hardness deliver reliable performance in high-load applications, reducing downtime and maintenance costs. With a standard 1/4" hex drive, installation is quick and efficient, supporting streamlined production processes.
Specification Summary & Compliance
This socket head cap screw features precise Class 3A thread fit with UNF fine threads (5/16"-24), ensuring accurate engagement and consistent performance. It meets ASTM A574 specifications for high-strength alloy steel fasteners and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and global industrial applications.
