S-92865A718 1/2"-13 x 1 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 tensile strength of 120,000 psi ensures reliable performance in demanding, heavy-duty applications.
- Superior corrosion resistance provided by zinc plating, extending service life in harsh industrial environments.
- High hardness rating of Rockwell C25 enhances durability and resistance to wear and deformation.
- Coarse UNC thread with Class 2A fit allows for quick assembly and secure fastening, reducing installation time.
- Full threading along the entire 1 3/4" length offers maximum grip and adjustability in various material thicknesses.
- External hex drive design with 3/4" head width enables easy installation using standard tools, improving efficiency.
- Compliance with industry standards including ASME B18.2.1 and SAE J429 ensures consistent quality and interoperability.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical fastening challenges in industrial and construction settings. Its zinc-plated steel construction provides robust corrosion resistance, making it ideal for outdoor machinery, structural assemblies, and equipment exposed to moisture. The coarse UNC thread and Class 2A thread fit ensure reliable engagement in wood, metal, and composite materials, reducing the risk of cross-threading and loosening under vibration. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it withstands high-stress conditions in automotive, manufacturing, and infrastructure projects, delivering long-term reliability and reducing maintenance costs.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including Class 2A thread fit for consistent assembly and UNC coarse thread specifications. It meets ASME B18.2.1 and SAE J429 manufacturing norms, ensuring engineering accuracy. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, supporting environmental and safety regulations for global industrial use.
