S-92240A312 5/16"-24 x 2 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
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and reducing maintenance frequency
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high-stress loads
- Precise, secure fastening ensured by the Class 2A thread fit and fine UNF thread spacing, minimizing the risk of loosening
- Easy installation and removal with the external hex drive and standard hex head design, compatible with common tools
- Full-length threading provides consistent grip and holding power along the entire 2 1/2" length for versatile applications
- Compliance with major standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements
Professional Applications & Engineering Value
This 18-8 stainless steel hex head screw is engineered to address critical challenges in industrial settings where corrosion resistance and high tensile strength are paramount. The 5/16"-24 UNF fine thread and Class 2A thread fit deliver precise engagement, reducing the likelihood of cross-threading and vibration-induced failure in machinery, assembly lines, and structural frameworks. Its fully threaded design ensures uniform stress distribution, making it suitable for applications requiring consistent clamping force, such as in heavy equipment, automotive components, and marine fixtures. The external hex drive facilitates quick installation with standard wrenches, enhancing workflow efficiency while maintaining ASME B18.2.1 specifications for reliability.
Specification Summary & Compliance
This screw features a 5/16"-24 UNF thread size with Class 2A thread fit for precise dimensional tolerance, and is manufactured in accordance with ASME B18.2.1 standards. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements for industrial use.
