S-97149A170 5/16"-24 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from Black-Oxide 18-8 Stainless Steel, ideal for harsh environments and extending service life.
• Precise Class 2B thread fit ensures smooth assembly and reliable fastening without cross-threading or seizing.
• Fine UNF threading (5/16"-24) provides increased thread engagement and vibration resistance in dynamic applications.
• Standard external hex profile allows for easy installation with common wrenches, reducing assembly time and labor costs.
• RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence for global industrial supply chains.
• Durable 18-8 stainless steel construction offers excellent strength and longevity, minimizing replacement frequency and maintenance downtime.
• Consistent dimensions (1/2" width, 17/64" height) ensure interchangeability and reliable performance in standardized equipment.

Professional Applications & Engineering Value

This 5/16"-24 UNF hex nut is engineered to address common industrial challenges such as corrosion-induced failure and assembly inefficiencies. The Black-Oxide 18-8 Stainless Steel material provides a protective layer that significantly enhances corrosion resistance, making it suitable for applications in moist or chemically aggressive environments like marine equipment, automotive assemblies, and outdoor machinery. The fine UNF threading and Class 2B thread fit deliver superior clamping force and vibration resistance, preventing loosening under dynamic loads. Its standard external hex drive simplifies installation with standard tools, reducing the risk of stripping and ensuring quick, secure fastening in high-volume production lines. This nut is ideal for precision engineering sectors where reliability, compliance, and durability are critical.

Specification Summary & Compliance

This hex nut features a 5/16"-24 UNF fine thread with Class 2B thread fit for consistent dimensional accuracy and smooth engagement. It adheres to standard inch measurement specifications, including a width of 1/2" and height of 17/64". The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in regulated industrial and commercial applications.