S-90696A243 9/16"-18 x 4" ASME B18.3 18-8 Stainless Steel Socket Head Screws
18-8 Stainless Steel Socket 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 environments and long-term reliability.
- Superior Tensile Strength rated at 70,000 psi, providing robust performance for heavy-duty and high-stress applications.
- Precision Thread Fit with Class 3A UNF fine threads ensuring secure, vibration-resistant connections and reduced risk of stripping.
- High Durability from Rockwell B70 hardness, offering excellent wear resistance and maintaining integrity under repeated use.
- Secure Hex Drive with a 7/16" drive size for easy installation and high torque application without slippage.
- Partial Threading Design allowing for precise clamping force control and reduced weight in assembled structures.
- Compliance with Industry Standards including ASME B18.3, RoHS 3, and REACH, ensuring safety, quality, and environmental responsibility.
Professional Applications & Engineering Value
This 18-8 Stainless Steel Socket Head Cap Screw is engineered to address critical challenges in industrial settings, such as vibration loosening and corrosion-induced failure. The 9/16"-18 UNF fine thread and Class 3A fit provide superior clamping force and resistance to dynamic loads, making it ideal for machinery, automotive assemblies, and precision equipment. Its partially threaded design ensures optimal stress distribution, while the hex drive facilitates quick installation in confined spaces. With a 70,000 psi tensile strength and Rockwell B70 hardness, it delivers long-lasting performance in demanding applications, reducing maintenance costs and downtime.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and a UNF fine thread with 9/16"-18 size. It meets ASME B18.3 specifications for consistent quality and performance. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial uses.
