S-92198A506 5/16"-18 x 16" 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 with 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Exceptional tensile strength rated at 80,000 psi for reliable performance in heavy-duty applications
- Optimized thread engagement with UNC coarse threading and Class 2A fit ensuring secure fastening
- Enhanced durability backed by Rockwell B70 hardness for long-term mechanical integrity
- Easy installation and removal with standard external hex drive and right-hand thread direction
- Versatile partial threading design providing flexibility for various clamping requirements
- Full regulatory compliance meeting ASME B18.2.1 standards and environmental regulations including RoHS 3 and REACH
Professional Applications & Engineering Value
This 5/16"-18 UNC hex head screw delivers critical engineering solutions for industrial applications where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel composition provides excellent protection against rust and chemical degradation, making it ideal for marine, chemical processing, and outdoor installations. The partially threaded design allows for precise clamping force distribution while the coarse UNC threading ensures rapid assembly and superior vibration resistance. With 80,000 psi tensile strength and Rockwell B70 hardness, this external hex drive screw maintains performance under extreme mechanical stress, reducing maintenance frequency and downtime in heavy machinery, structural frameworks, and industrial equipment applications.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with 5/16"-18 UNC coarse thread specifications. Complies with ASME B18.2.1 manufacturing standards and meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance. Features right-hand thread direction and inch system measurements throughout all dimensions including the 16" length and 1/2" head width.
