S-92865A542 1/4"-20 x 1" 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
- Superior load-bearing capacity with 120,000 psi tensile strength for reliable performance in demanding applications
- Enhanced corrosion resistance through zinc plating, extending service life in various industrial environments
- Optimized thread engagement with UNC coarse threading and Class 2A fit for faster assembly and secure fastening
- Exceptional durability backed by Rockwell C25 hardness, maintaining structural integrity under stress
- Full threading design provides maximum grip length and uniform load distribution across the entire fastener
- Standard-compliant engineering meeting ASME B18.2.1 and SAE J429 specifications for consistent quality and interchangeability
- Environmental compliance with RoHS 3 and REACH regulations, ensuring safe use in regulated industries
Professional Applications & Engineering Value
These Grade 5 hex head screws deliver exceptional engineering value through their zinc plated steel construction and UNC coarse threading, specifically designed to address common industrial challenges. The combination of 120,000 psi tensile strength and Rockwell C25 hardness ensures reliable performance in heavy machinery, structural assemblies, and equipment manufacturing where vibration resistance and joint integrity are critical. The external hex drive provides superior torque transmission during installation, while the fully threaded design maximizes clamping force distribution. These industrial fasteners are engineered to prevent loosening under dynamic loads, making them ideal for automotive, construction, and manufacturing applications requiring high tensile strength and long-term reliability.
Specification Summary & Compliance
This 1/4"-20 x 1" hex head screw features Class 2A thread fit tolerances and UNC coarse threading manufactured to ASME B18.2.1 and SAE J429 specifications. The fastener maintains precise dimensional accuracy with a 7/16" head width and 5/32" head height for standardized tool compatibility. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring adherence to international standards for hazardous substance restrictions and chemical safety protocols.
