S-90499A044 1 3/4"-5 Hex Nuts

Key Features & Benefits at a Glance

• Superior load-bearing capacity with Grade 8 strength classification, ensuring reliable performance in high-stress applications.
• Excellent vibration resistance due to coarse UNC threads, maintaining secure connections in dynamic environments.
• Precise thread engagement with Class 2B fit, providing smooth assembly and reducing cross-threading risks.
• Robust corrosion resistance from high-quality steel construction, extending service life in industrial settings.
• Easy installation and removal with standard external hex drive, compatible with common wrench tools.
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe usage across industries.
• Optimal dimensional stability with 2 5/8" width and 1 1/2" height, delivering consistent performance in heavy-duty assemblies.

Professional Applications & Engineering Value

This Grade 8 steel hex nut with 1 3/4"-5 UNC coarse threads addresses critical engineering challenges in heavy machinery, structural steelwork, and industrial equipment assembly. The coarse thread design provides superior resistance to vibration loosening, while the Class 2B thread fit ensures precise mating with corresponding bolts without compromising installation speed. Manufactured from high-strength steel with external hex drive, this fastener maintains integrity under extreme tensile loads and repetitive stress cycles. Its standard hex nut profile offers excellent wrench access in confined spaces, making it ideal for construction, mining equipment, and transportation infrastructure where reliability is paramount. The combination of right-hand threading and industrial-grade materials creates a durable solution for permanent or semi-permanent connections in demanding environments.

Specification Summary & Compliance

This heavy-duty hex nut maintains Class 2B thread fit per UNC standards with precise 1 3/4"-5 coarse thread spacing. Manufactured to Grade 8 strength requirements with dimensions of 2 5/8" width and 1 1/2" height. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.