S-90344A125 3/8"-16 x 1" ASTM A574 Socket Head Screws with Flat Washer
Socket Head Screws with Flat Washer
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional tensile strength of 170,000 psi provides reliable performance in high-stress applications, reducing the risk of fastener failure.
- Class 3A thread fit ensures precise, tight engagement for secure fastening and vibration resistance in demanding environments.
- Integrated flat washer distributes load evenly, minimizing surface damage and improving joint integrity under heavy loads.
- Black-oxide finish on alloy steel offers enhanced corrosion resistance and a durable, non-galling surface for extended service life.
- Rockwell C39 hardness delivers superior wear resistance, maintaining thread integrity through repeated assembly and disassembly.
- Fully threaded design allows for maximum adjustability and holding power along the entire length of the screw.
- 5/16" hex drive enables easy installation with standard tools, reducing assembly time and labor costs.
Professional Applications & Engineering Value
This 3/8"-16 UNC socket head cap screw is engineered to address critical challenges in industrial settings, such as vibration loosening and high tensile demands. The black-oxide alloy steel construction, combined with a Class 3A thread fit, ensures secure fastening in machinery, automotive assemblies, and heavy equipment where precision and durability are paramount. The integrated flat washer enhances load distribution, preventing surface indentation and maintaining clamp force in dynamic applications. Ideal for use in industrial fasteners requiring ASTM A574 compliance, this screw offers reliable performance in environments exposed to stress and corrosion, reducing maintenance needs and downtime.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with a Class 3A thread fit for precise tolerance, and is manufactured to ASTM A574 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial applications.
