S-93031A191 1 1/2"-6 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
• Reliable left-hand threading prevents loosening in counter-rotational applications for enhanced operational safety
• Optimized thin profile reduces weight and material usage while maintaining full thread engagement
• Precise Class 2B thread fit ensures smooth assembly and consistent performance in demanding applications
• Robust external hex drive provides superior torque transmission and tool accessibility
• Industry compliance assurance with RoHS 3 and REACH regulations for global market acceptance
• Coarse UNC threading enables quick installation and reduced cross-threading risks

Professional Applications & Engineering Value

This left-hand thin hex nut addresses critical challenges in industrial settings where reverse-thread fastening is essential for safety and functionality. Manufactured from 316 stainless steel, it delivers superior corrosion resistance against chlorides and chemical exposure, making it ideal for marine equipment, chemical processing plants, and food processing machinery. The thin hex nut profile provides space-saving advantages in compact assemblies while maintaining full UNC coarse thread engagement. The external hex drive design ensures reliable torque application with standard tools, reducing installation time and improving maintenance efficiency. These engineered features make this fastener particularly valuable for applications requiring left-hand thread security in corrosive environments.

Specification Summary & Compliance

This hex nut features 1½"-6 UNC coarse threading with Class 2B thread fit for consistent dimensional accuracy. The external hex measures 2¼" across flats with a height of 27/32". Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental compliance for industrial applications worldwide.