S-96278A007 6-32 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through integrated external-tooth lock washer design that maintains secure locking under dynamic loads
• Excellent corrosion resistance with dual 18-8 and 400 series stainless steel construction for extended service life in harsh environments
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance and easy assembly
• Industry-standard compatibility with 6-32 UNC coarse threads for broad application across industrial equipment
• Secure torque transmission via standard 5/16" external hex drive for confident installation with common tools
• Environmental compliance assurance meeting both REACH and RoHS 3 standards for safe industrial use
• Optimized locking performance combining right-hand threading with external-tooth washer for maximum resistance to loosening

Professional Applications & Engineering Value

This heavy-duty 6-32 UNC locknut addresses critical vibration-induced loosening challenges in industrial applications. The 18-8 stainless steel nut paired with a 400 stainless steel external-tooth lock washer creates a dual-material system where the hardened washer teeth bite into mating surfaces while the corrosion-resistant nut maintains structural integrity. This combination proves invaluable in vibration-resistant applications such as machinery assemblies, electrical enclosures, and transportation equipment where coarse UNC threads provide rapid installation and the external hex drive ensures reliable torque application. The design prevents rotational loosening under cyclic loading, making it ideal for maintenance-reduction strategies in manufacturing and heavy equipment operations.

Specification Summary & Compliance

This precision locknut features Class 2B thread fit tolerances with 6-32 UNC coarse threads and right-hand direction. The assembly combines a standard hex nut profile (5/16" width, 9/64" height) with an external-tooth lock washer (0.344" OD). Manufacturing complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring regulatory compliance for industrial applications worldwide. The external hex drive style and standard hex nut profile maintain compatibility with conventional installation tools and procedures.