S-93190A593 5/16"-18 x 2 1/2" 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
- Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads
- Exceptional durability with a Rockwell B70 hardness rating for long service life
- Easy installation and removal with a standard 1/2" external hex head drive
- Secure and consistent fastening provided by the UNC coarse thread with Class 2A fit
- Full threading along the 2 1/2" length for maximum grip and adjustment flexibility
- Compliance with major industry and environmental regulations for assured quality and safety
Professional Applications & Engineering Value
This 316 Stainless Steel Hex Head Screw is engineered to solve critical challenges in demanding industrial settings. Its superior corrosion resistance makes it ideal for applications exposed to chemicals, saltwater, and extreme weather, such as marine equipment, chemical processing plants, and outdoor structures. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures the fastener can withstand high stress and vibration without failing. The UNC coarse thread and Class 2A thread fit provide rapid assembly and a secure hold, reducing installation time and preventing loosening. The fully threaded design and external hex drive offer versatility and ease of use with common tools, making it a reliable choice for machinery assembly, structural frameworks, and heavy-duty equipment maintenance.
Specification Summary & Compliance
This screw features a 5/16"-18 UNC thread with Coarse spacing and a Class 2A thread fit, ensuring dimensional accuracy and interchangeability. It is manufactured to meet ASME B18.2.1 standards for hex head screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial applications without hazardous substances.
