S-92865A107 5/16"-24 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 corrosion resistance with zinc plating, extending service life in harsh industrial environments
- High tensile strength of 120,000 psi ensures reliable performance under heavy loads and vibration
- Precise Class 2A thread fit provides smooth assembly and secure fastening with minimal play
- Fully threaded UNF fine thread design offers maximum grip and uniform stress distribution
- Grade 5 steel construction with Rockwell C25 hardness delivers excellent durability and wear resistance
- External hex drive and hex head allow for easy installation with standard tools and high torque application
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures consistent quality and environmental safety
Professional Applications & Engineering Value
This 5/16"-24 Grade 5 zinc plated steel hex head screw is engineered to address critical fastening challenges in demanding industrial settings. The UNF fine thread and fully threaded design provide enhanced holding power and resistance to loosening in high-vibration applications such as machinery assembly, automotive components, and structural frameworks. The zinc plating offers reliable corrosion protection, reducing maintenance needs in exposed or humid conditions. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it withstands heavy loads and repetitive stress, making it ideal for securing critical parts where failure is not an option. The external hex drive ensures efficient installation with common tools, speeding up assembly lines and reducing labor costs.
Specification Summary & Compliance
This fastener features a Class 2A thread fit for precise dimensional accuracy and smooth engagement, manufactured to UNF fine thread standards. It complies with ASME B18.2.1 specifications, ensuring consistent performance in industrial applications. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards without hazardous substances.
