S-92316A724 1/2"-13 x 3" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 PSI ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Superior corrosion resistance with black-phosphate steel coating prolongs service life in harsh environments, minimizing maintenance needs.
• Flanged design provides a wider bearing surface for better load distribution and eliminates the need for separate washers, saving assembly time.
• Grade 8 classification guarantees high hardness (Rockwell C32) and durability, ideal for heavy machinery and structural uses.
• Coarse UNC threads with Class 2A fit enable quick installation and secure fastening in various materials, enhancing efficiency.
• Partial threading allows for precise clamping force control, preventing over-tightening and material damage.
• Compliance with SAE J429, RoHS 3, and REACH ensures adherence to industry standards and environmental safety, supporting global procurement requirements.

Professional Applications & Engineering Value

This Grade 8 hex head screw is engineered to address critical challenges in demanding sectors like construction, automotive, and heavy equipment manufacturing. Its black-phosphate steel construction offers enhanced corrosion protection, reducing downtime in corrosive settings. The UNC coarse thread and Class 2A thread fit provide excellent grip and vibration resistance, preventing loosening under dynamic loads. With a flange design, it distributes stress evenly, ideal for assemblies requiring high clamp loads without additional components. The partial threading ensures optimal engagement, minimizing the risk of strip-out in soft materials. These features make it a reliable choice for applications where tensile strength and durability are paramount, such as in machinery frames, structural supports, and industrial fastening systems.

Specification Summary & Compliance

This fastener adheres to precise dimensional standards, including a Class 2A thread fit for consistent accuracy and UNC coarse threads per industry norms. It meets SAE J429 specifications for Grade 8 strength, ensuring high performance in mechanical applications. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms environmental safety and regulatory alignment, supporting sustainable procurement practices.