S-92186A596 5/16"-18 x 3 1/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
Super-Corrosion-Resistant 316 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 in harsh environments thanks to 316 stainless steel construction.
- High tensile strength of 70,000 psi ensures reliable performance and joint integrity under heavy loads.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
- Coarse UNC thread and Class 2A fit enable faster installation and a secure, reliable hold.
- External hex drive and hex head design allows for high-torque application with standard tools.
- Partial threading offers optimal grip and clamping force for a wide range of material thicknesses.
- Compliance with major industry standards including ASME B18.2.1, RoHS 3, and REACH ensures product quality and environmental safety.
Professional Applications & Engineering Value
This 5/16"-18 UNC Hex Head Screw is engineered to solve critical challenges in demanding industrial applications. Its core value lies in the 316 stainless steel material, which offers superior resistance to corrosion from chemicals, saltwater, and extreme weather, making it ideal for marine, chemical processing, and outdoor infrastructure. The coarse thread design is less prone to clogging with debris and provides a stronger hold in softer materials or where vibration is a concern. Combined with a high tensile strength and a partial thread length, this external hex drive fastener delivers a robust and lasting connection, reducing maintenance needs and preventing costly equipment failure in heavy-duty assemblies.
Specification Summary & Compliance
This screw features a 5/16"-18 UNC thread with a Class 2A thread fit for consistent, precision assembly. The manufacturing and dimensional specifications conform to the ASME B18.2.1 standard. The product is also verified to be compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in regulated markets.
