S-92198A726 1/2"-13 x 3 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless 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 corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
- Secure external hex drive with 3/4" head width for easy installation and high torque application
- Coarse UNC threading enables faster assembly and better performance in soft materials
- Partial threading design offers superior clamping force and prevents loosening in dynamic applications
- Class 2A thread fit ensures smooth installation while maintaining proper engagement and strength
Professional Applications & Engineering Value
This 1/2"-13 UNC hex head screw delivers exceptional engineering value across demanding industrial applications. The 18-8 stainless steel composition provides superior corrosion resistance, making it ideal for chemical processing, marine environments, and outdoor installations where moisture exposure is a concern. The coarse thread configuration ensures rapid installation in structural steel, heavy machinery, and construction applications, while the partial threading design maximizes clamping force in bolted joints subject to vibration and dynamic loads. With its external hex drive and substantial head dimensions, this fastener accommodates high torque requirements in maintenance, repair, and OEM assembly operations, delivering reliable performance where failure is not an option.
Specification Summary & Compliance
This hex head screw features 1/2"-13 UNC coarse threads with Class 2A thread fit for standard industrial applications. The fastener meets ASME B18.2.1 specifications for dimensional accuracy and mechanical properties. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and restricted substance management. The product maintains precise dimensional tolerances with a minimum thread length of 1-1/4" and overall length of 3-1/2", manufactured to deliver consistent performance in accordance with established industrial standards.
