S-90124A345 3/8"-16 x 2 1/2" ASME B18.2.1, SAE J429 Steel Wire-Lockable Hex Head Screws
Steel Wire-Lockable Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc-plated steel coating extends service life in harsh industrial environments.
- Secure and stable fastening with UNC coarse threads and Class 2A fit, providing vibration resistance and easy installation.
- High durability backed by Rockwell C25 hardness, maintaining structural integrity under repeated loads.
- Optimized for industrial use with a partially threaded design, allowing precise clamping force distribution.
- Broad compliance with ASME B18.2.1, RoHS 3, and REACH standards, ensuring safety and environmental responsibility.
- Versatile external hex drive enables quick installation with standard tools, improving assembly efficiency.
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel hex head screw is engineered to address common industrial challenges, such as vibration loosening and corrosion in demanding settings. Its 3/8"-16 UNC coarse thread and Class 2A thread fit provide a tight, secure connection that resists wear in machinery, structural assemblies, and automotive components. The zinc plating offers a protective barrier against moisture and chemicals, while the partially threaded design ensures optimal load distribution, reducing stress concentration. Ideal for heavy-duty applications, this screw meets rigorous standards like ASME B18.2.1, delivering consistent performance in construction, manufacturing, and equipment maintenance where reliability is critical.
Specification Summary & Compliance
This fastener features a 3/8"-16 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy. It complies with ASME B18.2.1 and SAE J429 specifications, ensuring consistent manufacturing quality. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial use.
