S-92198A141 1 3/8"-6 x 5" 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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
- Exceptional mechanical strength offering 80,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high-stress conditions.
- Easy installation and removal with external hex drive and coarse UNC threads, ensuring quick assembly and disassembly in maintenance operations.
- Precise thread engagement with Class 2A thread fit, providing consistent fastening and reducing the risk of cross-threading.
- Optimized load distribution through partial threading, minimizing stress concentration and enhancing joint integrity.
- Compliance with industry standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability in professional applications.
- Environmental and safety adherence with RoHS 3 and REACH compliance, supporting sustainable and safe manufacturing practices.
Professional Applications & Engineering Value
This 1 3/8"-6 UNC hex head screw is engineered to address critical challenges in heavy machinery, structural assemblies, and marine equipment where corrosion resistance and high tensile strength are paramount. The 18-8 stainless steel material combats rust and chemical exposure, extending service life in demanding environments. Featuring a coarse thread and external hex drive, it enables rapid installation in low-tolerance applications, reducing labor time and preventing thread stripping. The partially threaded design ensures secure clamping in dynamic loads, making it ideal for construction, transportation, and industrial manufacturing sectors that require dependable, long-lasting fastening solutions.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit for consistent dimensional accuracy under the UNC thread standard. It conforms to ASME B18.2.1 manufacturing specifications, ensuring reliability in inch-system applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and restricted substance control.
