S-92865A605 5/16"-18 x 5" 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 under high-stress conditions, reducing the risk of fastener failure in demanding applications.
- Superior corrosion resistance with zinc plating extends service life and maintains integrity in harsh or outdoor environments.
- High hardness rating (Rockwell C25) provides excellent wear resistance and durability, minimizing deformation during installation and use.
- Full threading along the 5" length offers maximum grip and uniform clamping force across the entire fastened joint.
- Coarse UNC thread spacing allows for quicker assembly and reduced cross-threading risk, improving installation efficiency.
- External hex drive design enables easy installation with standard tools, ensuring secure tightening and reducing labor time.
- Compliance with industry standards (ASME B18.2.1, SAE J429) guarantees consistent quality, interchangeability, and reliability in industrial applications.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical challenges in industrial fastening, where high tensile strength and corrosion resistance are paramount. The zinc-plated steel construction combats environmental degradation, making it ideal for machinery, structural assemblies, and outdoor equipment. Its fully threaded design with UNC coarse spacing ensures rapid, secure engagement in various materials, reducing installation errors. The external hex drive facilitates high-torque applications, providing a dependable solution for heavy-duty fasteners in construction, automotive, and manufacturing sectors, where consistent performance under load is essential.
Specification Summary & Compliance
This fastener features a 5/16"-18 UNC thread with Class 2A fit for standard tolerance and easy assembly. It meets ASME B18.2.1 and SAE J429 specifications, ensuring dimensional accuracy and mechanical properties. Additionally, it is RoHS 3 (2015/863/EU) Compliant, supporting environmental and safety regulations in global supply chains.
