S-92865A540 1/4"-20 x 3/4" 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
- Exceptional load-bearing capacity with 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance through zinc plating, extending service life in various industrial environments
- Optimized thread engagement with UNC coarse thread design ensuring faster installation and stronger holding power
- Precise mechanical properties with Rockwell C25 hardness providing excellent durability and wear resistance
- Secure fastening capability through Class 2A thread fit maintaining consistent torque and vibration resistance
- Industry-standard compatibility with external hex drive design allowing use with common tools and equipment
- Comprehensive regulatory compliance meeting ASME, SAE, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
These Grade 5 steel hex head screws deliver critical engineering solutions where high tensile strength and reliable fastening are paramount. The fully threaded UNC coarse thread design addresses common industrial challenges by providing maximum thread engagement in various materials, reducing the risk of stripping while enabling quicker assembly. The zinc plated finish offers essential corrosion protection for equipment exposed to moisture or harsh environments. With their external hex drive configuration and right-hand thread direction, these screws facilitate efficient installation in machinery, structural frameworks, and heavy-duty assemblies where vibration resistance and long-term performance are critical requirements for maintenance and production operations.
Specification Summary & Compliance
This fastener maintains Class 2A thread fit tolerance for consistent engagement and meets ASME B18.2.1 and SAE J429 manufacturing specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. Manufacturing standards guarantee dimensional accuracy for the 1/4"-20 UNC coarse thread configuration with 3/4" length and proper external hex drive geometry.
