S-92198A890 7/8"-9 x 4 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 and outdoor applications.
- High tensile strength of 80,000 psi ensures reliable performance in heavy-duty and high-stress fastening scenarios.
- Rockwell B70 hardness provides superior durability and resistance to wear, extending the fastener's service life.
- Coarse UNC thread design allows for quicker installation and reduced risk of cross-threading in various materials.
- Class 2A thread fit offers consistent, reliable engagement with standard nuts and tapped holes, minimizing assembly issues.
- External hex drive and hex head enable easy installation and removal with common tools, improving maintenance efficiency.
- Partial threading provides unthreaded shank strength where needed, optimizing clamp load distribution.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this 7/8"-9 UNC hex head screw in 18-8 stainless steel delivers robust performance where corrosion resistance and structural integrity are critical. The coarse thread design ensures rapid assembly in construction, machinery, and marine applications, reducing labor time while maintaining secure connections. With an 80,000 psi tensile strength and Rockwell B70 hardness, it withstands vibrational stresses and heavy loads, preventing failures in equipment and infrastructure. The external hex drive facilitates straightforward installation with standard wrenches, enhancing workflow efficiency. Compliant with ASME B18.2.1, it meets rigorous engineering standards, making it a trusted choice for OEMs and maintenance teams seeking durable, corrosion-resistant fasteners that minimize downtime and replacement costs.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy and compatibility. It adheres to ASME B18.2.1 manufacturing specifications for consistent quality and performance. Environmental and safety compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming it is free from hazardous substances, suitable for global industrial use.
