S-98164A649 8-32 x 2" ASME B18.3, ASTM F879 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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 316 stainless steel construction, ideal for harsh environments and extended service life.
- Superior thread engagement and reliability due to Class 3A thread fit, minimizing the risk of loosening under vibration.
- High tensile strength of 70,000 psi ensures robust fastening for demanding industrial applications.
- Enhanced durability and chemical resistance from the passivated finish, protecting against oxidation and contaminants.
- Secure and efficient installation with the hex drive design, allowing for high torque application without slippage.
- Full threading for maximum grip along the entire 2" length, providing consistent holding power in various materials.
- Compliance with major industry standards including ASME B18.3, ensuring quality and interoperability in professional settings.
Professional Applications & Engineering Value
These 8-32 UNC 2" 316 stainless steel rounded head screws are engineered to address critical challenges in industrial fastening, such as exposure to corrosive elements and high-stress conditions. The 316 stainless steel material offers excellent resistance to chemicals and saltwater, making these fully threaded screws ideal for marine, chemical processing, and outdoor equipment applications. The Class 3A thread fit and coarse thread spacing ensure quick assembly and reliable performance in materials where fine threads might strip. With a hex drive and rounded button head, they provide a low-profile, secure fastening solution that withstands vibration and heavy loads, reducing maintenance needs and downtime in machinery, structural assemblies, and electronic enclosures.
Specification Summary & Compliance
This screw features precise UNC coarse threads with a Class 3A thread fit for tight tolerances and consistent performance. It adheres to ASME B18.3 manufacturing specifications and 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.
