S-90044A154 3/8"-16 x 5 1/2" 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 industrial applications, reducing the risk of fastener failure.
- Class 3A thread fit provides superior precision and tighter tolerances for secure, vibration-resistant assemblies in demanding environments.
- Black-oxide coating on alloy steel offers enhanced corrosion resistance, extending service life and reducing maintenance needs.
- Hex socket drive design allows for easy installation and high torque application, minimizing tool slippage and improving assembly efficiency.
- Coarse UNC threads enable quick engagement and disassembly, saving time in maintenance and repair operations.
- Rockwell C37 hardness ensures excellent wear resistance and durability, maintaining thread integrity under repeated use.
- Full compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety, meeting global regulatory standards.
Professional Applications & Engineering Value
This black-oxide alloy steel socket head cap screw is engineered to address critical challenges in heavy machinery, automotive, and aerospace sectors where high tensile strength and vibration resistance are paramount. The 3/8"-16 UNC coarse thread with Class 3A fit ensures precise alignment and secure fastening, minimizing loosening in dynamic loads. Its hex drive facilitates efficient installation in confined spaces, while the black-oxide surface treatment provides reliable protection against rust and wear. Ideal for industrial applications requiring precision fasteners, this screw delivers consistent performance under extreme conditions, enhancing assembly reliability and reducing downtime.
Specification Summary & Compliance
This socket head cap screw features a 3/8"-16 UNC coarse thread with Class 3A thread fit for high precision, manufactured in accordance with ASTM A574 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial use.
