S-92865A570 1/4"-20 x 7 1/2" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 Steel Hex 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
- High tensile strength of 120,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure under heavy loads.
- Grade 5 steel construction with Rockwell C25 hardness provides excellent durability and resistance to wear, extending the service life of your assemblies.
- Zinc plating finish offers superior corrosion resistance, protecting the screw from rust and environmental damage in industrial settings.
- Fully threaded UNC coarse thread design allows for faster installation and improved grip in a wide range of materials, saving time and labor costs.
- Class 2A thread fit ensures consistent, precise engagement with nuts and tapped holes, minimizing assembly issues and rework.
- External hex drive and hex head enable easy tightening with standard tools, enhancing installation efficiency and reducing tool slippage.
- Compliance with ASME B18.2.1 and SAE J429 standards guarantees quality and interoperability, meeting rigorous industry requirements for safety and performance.
Professional Applications & Engineering Value
This Grade 5 steel hex head screw is engineered to address common industrial challenges, such as vibration loosening and corrosion in harsh environments. The zinc plated finish provides a protective barrier, making it ideal for outdoor construction, machinery assembly, and automotive applications where moisture and chemicals are present. Its fully threaded UNC coarse thread ensures strong holding power in wood, metal, and composite materials, reducing the need for frequent maintenance. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it withstands high-stress conditions, offering long-term reliability for heavy-duty fastening needs while adhering to ASME B18.2.1/SAE J429 specifications for consistent quality.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse threads with a size of 1/4"-20 and length of 7 1/2", manufactured to meet ASME B18.2.1 and SAE J429 standards. It is fully compliant with RoHS 3 (2015/863/EU) regulations, ensuring it is free from hazardous substances for safe use in various industries.
