S-90602A217 5/16"-18 x 1" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws
High-Strength Grade 8 Steel Flanged Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Maximum load-bearing capacity with 150,000 psi tensile strength for critical structural applications
- Superior corrosion protection through zinc yellow-chromate plating that withstands harsh industrial environments
- Precision thread engagement with Class 3A fit ensuring reliable, vibration-resistant connections
- Enhanced installation efficiency through external hex drive design allowing high-torque application
- Increased bearing surface from integrated flange design distributing load more effectively
- Exceptional hardness durability with Rockwell C32 rating maintaining performance under repeated stress
- Industry-standard compliance meeting IFI 111/SAE J429 specifications for quality assurance
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Grade 8 hex head screws provide critical fastening solutions where failure is not an option. The zinc yellow-chromate plated steel construction delivers exceptional corrosion resistance in demanding environments while maintaining 150,000 psi tensile strength for structural integrity. The UNC coarse thread pattern ensures rapid installation and superior holding power in various materials, while the external hex drive accommodates high-torque applications without stripping. These fully threaded flanged screws are particularly valuable in machinery assembly, construction equipment, and automotive applications where vibration resistance and long-term reliability are paramount. The Class 3A thread fit guarantees precise engagement, eliminating play in critical connections.
Specification Summary & Compliance
This 5/16"-18 x 1" hex head screw features precision UNC coarse threads with Class 3A fit for superior thread engagement. Manufactured to exacting IFI 111/SAE J429 specifications, it maintains dimensional accuracy throughout production. The fastener meets Grade 8 strength requirements with verified Rockwell C32 hardness and 150,000 psi tensile strength. The zinc yellow-chromate plating provides RoHS-compliant corrosion protection while the external hex drive and flanged design ensure proper installation and load distribution.
