S-91847A525 1/2"-20 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and outdoor applications
• Space-saving thin profile (5/16" height) allows use in tight assemblies without compromising strength
• Precise Class 2B thread fit ensures smooth engagement and reliable fastening with mating components
• Fine UNF threading (1/2"-20) provides increased thread engagement and vibration resistance compared to coarse threads
• External hex drive design offers excellent tool accessibility and high torque capability during installation
• Full regulatory compliance with RoHS 3 and REACH standards for safe use in global industrial markets
• Right-hand threading compatibility with standard assembly procedures for efficient installation

Professional Applications & Engineering Value

This 1/2"-20 UNF thin hex nut delivers exceptional engineering value through its optimized material selection and thread design. The 18-8 stainless steel composition provides excellent corrosion resistance, making it suitable for applications exposed to moisture, chemicals, or outdoor elements where rust prevention is critical. The fine UNF threading offers superior vibration resistance compared to coarse threads, maintaining clamp load in dynamic applications. The thin hex nut profile addresses space constraints in compact assemblies while maintaining full functional performance. These external hex drive nuts facilitate quick installation with standard tools, reducing assembly time in manufacturing, machinery, and equipment maintenance applications. The combination of Class 2B thread fit and precision manufacturing ensures consistent performance across high-volume production runs.

Specification Summary & Compliance

This thin hex nut features 1/2"-20 UNF fine threads with Class 2B thread fit per Unified National Fine standards, ensuring dimensional accuracy and compatibility with corresponding male threads. The nut measures 3/4" across flats with a 5/16" height profile. Manufacturing complies with industry standards for inch hex nuts, and the product is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental regulations for hazardous substance restrictions.