S-92198A307 5/16"-24 x 1 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 thanks to 18-8 Stainless Steel construction, ideal for harsh environments and reducing maintenance costs.
- High tensile strength of 80,000 PSI ensures reliable performance under significant load and stress, preventing joint failure.
- Rockwell B70 hardness provides excellent durability and wear resistance, extending the fastener's service life.
- External hex drive and hex head design allows for easy installation and high torque application with standard tools.
- Class 2A thread fit and UNF fine thread offer precise engagement and vibration resistance in critical assemblies.
- Partial threading provides an unthreaded shank for enhanced shear strength and precise clamping.
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global industrial use.
Professional Applications & Engineering Value
This 5/16"-24 UNF Hex Head Screw is engineered to solve common industrial challenges, such as vibration loosening and corrosion-induced failure. The 18-8 Stainless Steel material offers excellent resistance to rust and chemicals, making it suitable for applications in marine, chemical processing, and outdoor equipment. The UNF fine thread and Class 2A thread fit ensure tight, secure fastening in high-vibration environments like machinery and automotive assemblies. With an external hex drive, it allows for efficient installation and removal, reducing labor time. Its partial threading design enhances grip and load distribution, preventing stripping and ensuring long-term reliability in structural and heavy-duty applications.
Specification Summary & Compliance
This fastener features precise Class 2A thread fit and adheres to UNF (Unified National Fine) thread standards, ensuring dimensional accuracy and interchangeability. It is manufactured in compliance with ASME B18.2.1 specifications for hex head screws. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental compliance for industrial and international use.
