S-93839A865 1 1/2"-12 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Maximum load-bearing capacity with Grade 8 strength classification, ensuring reliable performance in high-stress industrial applications
• Superior corrosion resistance from zinc yellow-chromate plating, extending service life in harsh environments and reducing maintenance frequency
• Space-saving thin profile design (27/32" height) allowing installation in confined spaces without compromising strength
• Precision fine threading (1 1/2"-12 UNF) with Class 2B fit for secure, vibration-resistant connections in critical assemblies
• Standardized external hex drive enabling quick installation with common tools while meeting ASME B18.2.2 manufacturing specifications
• Enhanced thread engagement through right-hand fine threading, providing superior resistance to loosening under dynamic loads
• Interchangeable compatibility with inch-system components, ensuring seamless integration into existing industrial equipment

Professional Applications & Engineering Value

This Grade 8 thin hex nut delivers critical engineering solutions where space constraints meet high-strength requirements. The zinc yellow-chromate-plated steel construction provides exceptional corrosion protection for outdoor equipment, marine applications, and industrial machinery exposed to moisture and chemicals. The 1 1/2"-12 UNF fine thread configuration ensures maximum thread contact area, effectively resisting vibration-induced loosening in heavy machinery, construction equipment, and automotive assemblies. With its thin profile and external hex drive, this fastener enables efficient maintenance in tight clearance applications while maintaining the structural integrity required for high-strength bolted connections. The combination of premium material and precision manufacturing makes it ideal for critical joints in structural steel, mining equipment, and transportation infrastructure.

Specification Summary & Compliance

Manufactured to ASME B18.2.2 standards with Class 2B thread fit tolerance for consistent engagement and reliable performance. The UNF fine thread (1 1/2"-12) follows unified thread standards with right-hand direction. Dimensions include 2 1/4" width and 27/32" height in inch system measurements. The zinc yellow-chromate plating on steel substrate provides RoHS and REACH compliance for environmental safety. Grade 8 certification ensures mechanical properties meet or exceed industry requirements for high-strength applications.