S-93190A888 7/8"-9 x 4 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial and marine environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable heavy-duty performance
- Maximum holding power ensured by the fully threaded design, providing superior grip and load distribution
- Easy installation and removal with the external hex drive and coarse UNC thread pattern, reducing assembly time
- Precise thread fit with Class 2A tolerance, ensuring consistent engagement and vibration resistance
- Compliance with major standards including ASME B18.2.1, RoHS 3, and REACH for guaranteed quality and safety
- Versatile 4 1/2" length suitable for a wide range of thick-material applications in construction and machinery
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this 7/8"-9 UNC hex head screw in 316 Stainless Steel delivers unmatched durability in corrosive or high-stress environments. The coarse thread design and Class 2A thread fit provide rapid installation and secure fastening, minimizing the risk of loosening under dynamic loads. Its fully threaded configuration ensures uniform stress distribution, making it ideal for heavy machinery, structural assemblies, and marine equipment where tensile strength and corrosion resistance are critical. The external hex drive allows for high-torque application, enhancing efficiency in maintenance and production lines.
Specification Summary & Compliance
This screw adheres to ASME B18.2.1 specifications, with precise Class 2A thread fit and UNC coarse threading for consistent performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity. Manufactured to meet inch system standards, it guarantees dimensional accuracy and reliability in industrial applications.
