S-93839A858 1 1/8"-12 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Grade 8 classification, ensuring high tensile strength for demanding industrial applications.
• Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh environments.
• Space-saving thin profile design allows for use in tight spaces without compromising on holding power.
• Precise Class 2B thread fit ensures smooth engagement and secure fastening, reducing the risk of cross-threading.
• Fine UNF thread configuration offers improved vibration resistance and better load distribution compared to coarse threads.
• Compliance with ASME B18.2.2 standards guarantees consistent quality, dimensional accuracy, and interchangeability.
• Easy installation and removal with external hex drive, compatible with standard wrenches for efficient assembly.

Professional Applications & Engineering Value

This Grade 8 thin hex nut is engineered to address critical challenges in heavy-duty and high-vibration environments, such as machinery, automotive, and construction assemblies. The zinc yellow-chromate-plated steel construction provides a robust barrier against rust and corrosion, significantly reducing maintenance needs and downtime. Its fine UNF thread and Class 2B fit ensure tight, reliable connections that resist loosening under dynamic loads, making it ideal for applications where safety and durability are paramount. By meeting ASME B18.2.2 specifications, this nut delivers consistent performance and compatibility, supporting efficient B2B procurement and streamlined inventory management for industrial fastener systems.

Specification Summary & Compliance

This hex nut adheres to precise dimensional standards, including a Class 2B thread fit for accurate engagement and a 1 1/8"-12 UNF fine thread with right-hand direction. Manufactured in compliance with ASME B18.2.2, it ensures reliable performance in inch-system applications. The product meets common industry requirements for quality and safety, though specific RoHS or REACH declarations should be verified per batch. Its construction from plated steel supports durability and consistent fastening in professional settings.