S-94758A655 1/2"-20 Flange Nuts

Key Features & Benefits at a Glance

• Enhanced Load Distribution - The 1-1/8" flange diameter provides superior surface contact, reducing stress on mating components and preventing loosening under vibration
• Superior Corrosion Resistance - Made from 18-8 stainless steel for excellent durability in harsh environments and industrial applications
• Precision Thread Engagement - Class 2B fine threads ensure smooth installation and reliable, vibration-resistant connections
• Streamlined Assembly Process - Integrated flange design eliminates the need for separate washers, saving installation time and reducing component count
• Optimal Tool Access - Standard external hex drive (7/8" width) allows for easy installation with common wrench tools
• Environmental Compliance Assurance - Meets RoHS 3 and REACH standards for safe use in regulated industrial applications
• Reliable Performance Standardization - Manufactured to UNF thread specifications ensuring compatibility with standard industrial components

Professional Applications & Engineering Value

This heavy-duty flange nut delivers exceptional engineering value through its 18-8 stainless steel construction and integrated flange design. The combination of Class 2B fine threads and 1-1/8" flange diameter addresses critical industrial challenges by providing superior vibration resistance and eliminating the need for separate washers in assembly. The UNF thread standard ensures precise compatibility with industrial equipment, while the right-hand threading follows conventional installation practices. Ideal for machinery, automotive, and structural applications where corrosion resistance and reliable fastening under dynamic loads are essential. The integrated flange distributes clamping force evenly, preventing surface damage and maintaining joint integrity in demanding environments.

Specification Summary & Compliance

This 1/2"-20 UNF flange nut features precision Class 2B thread fit with fine thread spacing for optimal engagement. The standard external hex drive (7/8" width) and 11/16" height ensure proper tool clearance. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming suitability for regulated industrial applications. The 18-8 stainless steel material provides consistent performance while the 1-1/8" flange diameter and 0.16" thickness deliver reliable load distribution characteristics.