S-92198A694 5/16"-18 x 2 3/4" 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
- Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Superior load-bearing capacity with 80,000 psi tensile strength for demanding structural applications
- Enhanced durability and wear resistance thanks to Rockwell B70 hardness rating
- Quick installation and reliable grip with coarse UNC threading and external hex drive design
- Optimized thread engagement through Class 2A thread fit ensuring precise assembly
- Versatile partial threading allowing for both clamping and alignment functions
- Full regulatory compliance meeting ASME B18.2.1 standards and RoHS/REACH environmental requirements
Professional Applications & Engineering Value
This 5/16"-18 UNC hex head screw delivers critical performance advantages for industrial assembly and construction applications. The 18-8 stainless steel composition provides excellent corrosion resistance, making it suitable for outdoor equipment, marine environments, and chemical processing facilities where moisture resistance is essential. The coarse thread design ensures rapid installation and superior holding power in various materials, while the partial threading allows for both secure fastening and precise component alignment. With its external hex drive and standardized dimensions, this fastener enables efficient installation using common tools, reducing assembly time in manufacturing, machinery, and structural steel applications where heavy-duty hex screws are required for long-term reliability.
Specification Summary & Compliance
This 5/16"-18 UNC hex head screw features precise Class 2A thread fit tolerances and coarse thread spacing per unified thread standards. The fastener measures 2 3/4" in length with a minimum thread length of 7/8" and meets ASME B18.2.1 manufacturing specifications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for various industrial applications requiring certified components.
