S-92316A221 3/8"-16 x 7/8" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 PSI tensile strength for demanding industrial applications
• Superior corrosion resistance thanks to black-phosphate steel coating that withstands harsh environments
• Precise Class 3A thread fit ensures reliable engagement and vibration resistance in critical assemblies
• Enhanced driving stability through external hex drive design for secure tool engagement and torque application
• Optimized thread performance with UNC coarse threading that resists cross-threading and enables faster installation
• Increased bearing surface from integrated flange design distributes load evenly and eliminates need for separate washers
• Full thread coverage along the entire 7/8" length provides maximum grip strength and adjustment flexibility

Professional Applications & Engineering Value

This Grade 8 hex head screw delivers exceptional engineering value in demanding industrial environments where fastener failure is not an option. The black-phosphate steel construction provides superior corrosion protection, making it ideal for automotive, machinery, and structural applications exposed to moisture and chemicals. The UNC coarse thread design ensures reliable performance in materials where fine threads might strip or fail, while the Class 3A thread fit guarantees precise engagement in critical assemblies. The integrated flange feature eliminates the need for separate washers, reducing assembly time and component count. With Rockwell C32 hardness and 150,000 PSI tensile strength, this heavy-duty fastener maintains integrity under extreme vibration and load conditions, providing engineers with a reliable solution for high-stress applications requiring exceptional durability and long-term performance.

Specification Summary & Compliance

This 3/8"-16 hex head screw features precise Class 3A thread fit per UNC standards with full threading along the 7/8" length. Manufactured to meet IFI 111 specifications where identified as SAE J429 Grade 8, ensuring consistent quality and performance. The fastener is fully compliant with RoHS 3 (2015/863/EU) environmental standards and REACH (EC 1907/2006) regulations regarding substance restrictions, making it suitable for global industrial applications requiring strict regulatory adherence.