S-92865A506 7/8"-14 x 3" 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 tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Zinc plating provides superior corrosion resistance, extending service life in harsh or outdoor environments.
- Fine UNF threads with Class 2A fit offer precise engagement and vibration resistance for secure, long-lasting assemblies.
- Grade 5 classification and Rockwell C25 hardness guarantee consistent mechanical properties and durability under heavy loads.
- External hex drive design allows for easy installation and high torque application with standard tools.
- Fully threaded shank maximizes grip and load distribution across the entire length for enhanced joint integrity.
- Compliance with ASME B18.2.1 and SAE J429 standards ensures dimensional accuracy and interoperability in industrial systems.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical challenges in heavy machinery, construction, and automotive assemblies where high tensile strength and vibration resistance are paramount. The 7/8"-14 UNF fine thread configuration minimizes loosening under dynamic loads, while the zinc-plated steel construction combats corrosion in demanding environments. Its fully threaded design ensures uniform stress distribution, reducing the risk of joint failure in structural applications. Ideal for use in industrial fastening systems, this screw meets rigorous standards, providing reliability and longevity in heavy-duty applications without compromising on compliance or performance.
Specification Summary & Compliance
This fastener adheres to Class 2A thread fit tolerances per UNF standards, ensuring precise threading and compatibility. It conforms to ASME B18.2.1 and SAE J429 specifications for dimensional and mechanical properties. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.
