S-91015A029 1/4"-20 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced Grip and Torque Application with an extra-wide thin profile that provides superior surface contact for secure tightening in confined spaces.
• Superior Corrosion Resistance due to the Black-Oxide Steel finish, ensuring long-term durability in harsh industrial environments.
• Reliable Thread Engagement with Class 2B thread fit, offering consistent performance and reducing the risk of cross-threading during assembly.
• Broad Compatibility with UNC coarse 1/4"-20 threads, making it ideal for a wide range of standard industrial applications.
• Optimized for High-Strength Fastening using durable steel material, capable of withstanding heavy loads and vibrations.
• Eco-Friendly Compliance as it meets RoHS 3 standards, supporting sustainable manufacturing practices without compromising on lead exemption for steel alloying.
• Efficient Installation with an external hex drive design, allowing for quick and easy use with common tools.

Professional Applications & Engineering Value

This 1/4"-20 UNC hex nut is engineered to address common industrial challenges, such as vibration loosening and corrosion in demanding settings. The Black-Oxide Steel material provides a protective layer that resists rust and wear, extending the fastener's lifespan in applications like machinery, automotive assemblies, and construction equipment. Its extra-wide thin profile ensures a larger bearing surface, distributing load evenly and reducing the risk of damage to connected parts. With a coarse thread design, it offers quick assembly and disassembly, while the Class 2B thread fit guarantees precise alignment, minimizing downtime and maintenance costs. Ideal for heavy-duty fastening, this nut delivers consistent performance in environments where reliability is critical.

Specification Summary & Compliance

This hex nut features a 1/4"-20 UNC coarse thread with Class 2B thread fit for standard dimensional accuracy, ensuring compatibility with common inch-system components. Manufactured from high-quality steel with a black-oxide finish, it adheres to industry specifications for external hex drive applications. The product is RoHS 3 (2015/863/EU) compliant under exemption 6(a) for lead as an alloying element in steel, supporting environmental and safety standards in industrial use.