S-90409A143 7/16"-14 x 1 1/2" 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
- Exceptional load-bearing capacity with 150,000 psi tensile strength for reliable performance in demanding applications
- Superior wear resistance due to Rockwell C32 hardness, ensuring long-term durability and reduced replacement frequency
- Enhanced stability and load distribution from the integrated flange design, minimizing surface damage and loosening
- Quick installation and high torque capability with external hex drive and coarse UNC threads for efficient assembly
- Consistent thread engagement with Class 2A fit and full threading, providing secure fastening across the entire length
- Guaranteed material quality and performance through compliance with IFI 111/SAE J429 Grade 8 standards
- Corrosion-resistant steel construction for reliable operation in various industrial environments
Professional Applications & Engineering Value
This Grade 8 hex head screw delivers critical engineering solutions for heavy-duty industrial applications where failure is not an option. The 7/16"-14 UNC coarse thread configuration ensures rapid installation in structural steel, machinery assembly, and construction equipment, while the flanged design eliminates the need for separate washers, reducing component count and assembly time. Manufactured from high-strength steel with Rockwell C32 hardness, it withstands extreme vibrational forces and dynamic loads common in automotive frames, agricultural machinery, and industrial platforms. The 150,000 psi tensile strength and external hex drive make it ideal for high-torque applications requiring precise clamping force and reliable long-term performance.
Specification Summary & Compliance
This hex head screw maintains precise Class 2A thread fit with 7/16"-14 UNC coarse thread dimensions and 1 1/2" length. Manufacturing adheres to IFI 111/SAE J429 Grade 8 standards, ensuring consistent mechanical properties and dimensional accuracy. The fully threaded design and right-hand thread direction provide uniform stress distribution. Compliant with industry-standard material specifications for steel fasteners, suitable for applications requiring verified mechanical performance and reliability.
