S-91845A044 1 3/4"-5 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction for extended service life in harsh environments
• Excellent thread engagement through Class 2B thread fit ensuring reliable, vibration-resistant connections
• Quick installation and removal with coarse UNC threads that resist cross-threading and reduce assembly time
• High torque capability from the standard external hex drive design for secure fastening in heavy-duty applications
• Industry-standard compatibility with inch measurement system components and UNC thread specifications
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for global industrial use
• Optimal strength-to-size ratio with 2 5/8" width and 1 1/2" height providing substantial bearing surface

Professional Applications & Engineering Value

This heavy-duty 1 3/4"-5 UNC hex nut delivers exceptional performance in demanding industrial settings where corrosion resistance and reliable fastening are critical. The 18-8 Stainless Steel composition provides inherent protection against rust and chemical degradation, making it ideal for marine, chemical processing, and outdoor infrastructure applications. The coarse thread spacing combined with Class 2B thread fit ensures rapid assembly while maintaining secure connections that resist loosening under vibration and dynamic loads. The standard external hex drive profile allows for high torque application using common tools, solving the engineering challenge of maintaining joint integrity in heavy machinery, structural steel connections, and industrial equipment where right-hand thread configurations are standard. This nut's robust construction addresses the critical need for durable, maintenance-free fastening solutions in corrosive environments.

Specification Summary & Compliance

This hex nut features precision UNC coarse threads with Class 2B thread fit tolerance, ensuring consistent performance across industrial applications. Manufactured to standard inch system specifications with dimensions of 2 5/8" width and 1 1/2" height. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental standards for industrial fasteners while maintaining the mechanical properties required for heavy-duty fastening applications.