S-92865A908 1"-8 x 1 1/2" 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 demanding applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc plating extends service life, even in harsh industrial environments.
- High hardness rating (Rockwell C25) provides excellent wear resistance and durability for repeated use.
- Coarse UNC thread with Class 2A fit allows for quicker assembly and better vibration resistance in heavy machinery.
- Full threading along the 1 1/2" length offers maximum grip and adjustability in various material thicknesses.
- External hex drive design enables high torque application with standard tools, speeding up installation.
- Compliance with major standards (ASME B18.2.1, SAE J429) guarantees interchangeability and consistent quality.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade 5 steel hex head screw addresses critical challenges in machinery assembly, structural framing, and equipment manufacturing. The coarse UNC thread and Class 2A thread fit provide superior resistance to loosening under vibration, a common issue in dynamic environments. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it withstands high stress and impact loads, reducing maintenance downtime. The zinc plating offers a protective barrier against corrosion, ensuring long-term reliability in both indoor and outdoor settings. Fully threaded for maximum holding power, it is ideal for securing thick materials in construction, automotive, and industrial machinery where reliable fastening solutions are paramount.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit tolerances for consistent engagement and meets ASME B18.2.1 and SAE J429 specifications for dimensional accuracy and performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for global industrial use.
