S-92323A583 6-32 x 1/4" IFI 111, SAE J429 Medium-Strength Grade 5 Steel Serrated-Flange Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 110,000 psi tensile strength, ideal for high-stress industrial applications requiring reliable fastening.
• Superior corrosion resistance due to zinc-plated steel construction, extending service life in demanding environments.
• Enhanced torque transmission and easy installation with external hex drive and hex head design, reducing assembly time.
• Secure anti-loosening performance from serrated locking flange, maintaining joint integrity under vibration.
• Optimized thread engagement with UNC coarse threading and Class 2A fit, ensuring quick, precise fastening in various materials.
• Consistent mechanical properties backed by Rockwell C22 hardness and Grade 5 classification, providing dependable strength repeatability.
• Broad regulatory compliance meeting SAE J429, RoHS 3, and REACH standards, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this Grade 5 zinc-plated steel hex head screw addresses critical challenges in machinery assembly, automotive components, and structural frameworks. The UNC coarse thread design facilitates rapid installation in brittle or soft materials, reducing stripping risks, while the external hex drive allows high torque application without slippage. The flanged head with serrations eliminates the need for separate washers, providing vibration resistance and distributed clamping force. With 110,000 psi tensile strength and Rockwell C22 hardness, it withstands dynamic loads and harsh conditions, making it a go-to solution for reliable fastening in construction, manufacturing, and equipment maintenance.

Specification Summary & Compliance

This fastener adheres to Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy and interchangeability. Manufacturing follows IFI 111 specifications aligned with SAE J429 for Grade 5 mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. Threading is fully threaded with right-hand direction, and the zinc-plated steel material meets industry corrosion protection requirements.