S-93190A611 5/16"-18 x 7" 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 with 316 stainless steel construction, ideal for harsh environments like marine or chemical processing.
- High tensile strength of 70,000 psi ensures reliable performance in heavy-duty applications, reducing the risk of fastener failure.
- Rockwell B70 hardness provides excellent durability and wear resistance, extending the screw's service life.
- Coarse UNC threading allows for quick and easy installation, minimizing assembly time and labor costs.
- Class 2A thread fit offers consistent, reliable engagement with standard nuts, ensuring secure fastening without binding.
- Fully threaded design maximizes grip and load distribution along the entire 7-inch length, enhancing joint stability.
- External hex drive enables straightforward installation and removal with common tools, improving maintenance efficiency.
Professional Applications & Engineering Value
This heavy-duty hex head screw is engineered to address common industrial challenges, such as corrosion and mechanical stress in demanding environments. Made from 316 stainless steel, it offers superior resistance to chemicals, saltwater, and extreme temperatures, making it ideal for marine equipment, chemical plants, and food processing machinery. The UNC coarse thread and Class 2A fit ensure quick assembly and reliable performance in high-vibration applications, reducing downtime and maintenance costs. With a fully threaded 7-inch length and external hex drive, it provides consistent clamping force and easy installation, supporting structural integrity in construction, automotive, and industrial assembly projects where strength and longevity are critical.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including Class 2A thread fit for consistent tolerance and UNC coarse threading with a 5/16"-18 size. It meets ASME B18.2.1 specifications for hex head screws and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability in industrial use.
