S-90780A589 5/16"-18 x 2" ASTM F468, MIL-S-1222 Nickel Alloy Hex Head Screws
Nickel Alloy 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 from 400 Nickel material, ideal for harsh industrial environments and marine applications
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration
- Rockwell B80 hardness provides superior durability and resistance to wear and deformation
- Class 2A thread fit offers consistent assembly with standard nuts while allowing for easier installation
- Coarse UNC threading enables faster installation and better performance in softer materials
- External hex drive design allows for high torque application with standard tools
- Comprehensive compliance with ASTM F468, MIL-S-1222, RoHS 3, and REACH ensures material safety and quality assurance
Professional Applications & Engineering Value
These 5/16"-18 UNC hex head screws manufactured from 400 Nickel deliver outstanding performance in demanding industrial applications where corrosion resistance and mechanical strength are critical. The partially threaded design provides optimal clamping force distribution while the coarse thread pitch ensures rapid installation in assembly line operations. Particularly valuable in chemical processing, marine equipment, and outdoor infrastructure, these external hex drive screws withstand aggressive environments that would compromise standard steel fasteners. The combination of 80,000 psi tensile strength and Rockwell B80 hardness makes them suitable for structural applications requiring long-term reliability without frequent maintenance or replacement.
Specification Summary & Compliance
This 2" length hex head screw features 5/16"-18 UNC coarse threading with Class 2A thread fit tolerance for consistent mating with standard components. Manufactured to ASTM F468 specifications and meeting MIL-S-1222 requirements, these screws ensure dimensional accuracy and mechanical performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and material restrictions adherence for global industrial applications.
