S-91862A591 1/2"-28 Panel Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments
• Precise, vibration-resistant fastening due to extra fine UNEF thread spacing and Class 2B thread fit
• Space-saving thin profile (3/32" height) for applications with limited clearance
• Easy installation and removal with external hex drive design for standard wrench compatibility
• Enhanced durability from 18-8 stainless steel construction, ensuring long-term performance
• Regulatory compliance with RoHS 3 and REACH standards, meeting global environmental and safety requirements
• Reliable right-hand threading for standard assembly processes and secure connections

Professional Applications & Engineering Value

This thin panel nut is engineered to address common challenges in industrial assembly, such as panel warping, vibration-induced loosening, and corrosion in demanding environments. The Black-Oxide 18-8 Stainless Steel construction provides excellent resistance to oxidation and chemical exposure, making it suitable for electronics enclosures, machinery panels, and outdoor equipment. The extra fine UNEF thread (1/2"-28) and Class 2B thread fit ensure tight, secure fastening with minimal risk of backlash, even under dynamic loads. Its thin hex profile (5/8" width, 3/32" height) allows for efficient use in compact spaces without compromising strength, while the external hex drive simplifies maintenance and adjustments in hard-to-reach areas.

Specification Summary & Compliance

This panel nut features a Class 2B thread fit for consistent dimensional accuracy and smooth assembly, adhering to UNEF (Unified Extra Fine) thread standards. It is manufactured from 18-8 Stainless Steel with a Black-Oxide finish for enhanced durability. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and health safety requirements for industrial use.