S-94895A038 1"-8 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional tensile strength with Grade 8 classification, ensuring reliable performance in high-stress industrial environments.
• Superior corrosion resistance from zinc yellow-chromate plating, extending service life in harsh or outdoor conditions.
• Optimized for heavy-duty use with coarse 1"-8 UNC threads, providing faster assembly and reduced cross-threading risks.
• Precise Class 2B thread fit guarantees smooth engagement and consistent clamping force in repetitive applications.
• Robust external hex drive design allows for high-torque installation using standard tools, improving efficiency.
• Durable steel construction maintains integrity under extreme loads, vibrations, and temperature variations.
• Wide 1 1/2" width and 55/64" height offer enhanced bearing surface for secure fastening in structural assemblies.

Professional Applications & Engineering Value

This Grade 8 heavy-duty hex nut is engineered to address critical challenges in industrial and construction settings, where fastener failure can lead to downtime or safety hazards. The zinc yellow-chromate-plated steel combats rust and chemical exposure, making it ideal for outdoor machinery, agricultural equipment, and marine applications. Its 1"-8 UNC coarse thread design ensures quick installation and reliable performance in high-vibration environments, such as automotive frames, heavy machinery, and structural steel connections. The external hex drive facilitates easy wrench access, reducing assembly time while the Class 2B thread fit provides consistent engagement, minimizing the risk of loosening under dynamic loads. This nut delivers long-term value by enhancing durability, reducing maintenance, and supporting compliance with industry standards for heavy-duty fastening.

Specification Summary & Compliance

This hex nut adheres to UNC thread standards with a 1"-8 coarse thread and Class 2B thread fit for precise dimensional accuracy. Manufactured from high-strength Grade 8 steel with zinc yellow-chromate plating, it meets common industry specifications for inch-system fasteners. The product is designed in compliance with relevant ASME and ISO guidelines, and it conforms to RoHS and REACH environmental standards, ensuring safe and sustainable use in global industrial applications.