S-99022A107 1/4"-28 Cap Nuts

Key Features & Benefits at a Glance

• Corrosion-resistant 18-8 stainless steel construction ensures long-term durability in harsh industrial environments, reducing maintenance costs.
• Low profile design with 3/8" height provides space-saving installation in confined applications without compromising strength.
• Precision Class 2B thread fit guarantees smooth assembly and reliable fastening performance with minimal risk of cross-threading.
• Fine 1/4"-28 UNF threads offer superior vibration resistance and improved load distribution compared to coarse threads.
• External hex drive style with 7/16" width enables easy installation using standard tools while preventing tool slippage.
• Full compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance for your projects.
• Right-hand thread direction with 7/32" thread depth provides secure engagement and consistent clamping force in standard applications.

Professional Applications & Engineering Value

This low profile cap nut delivers exceptional engineering value in applications where space constraints and corrosion resistance are critical. The 18-8 stainless steel material provides excellent protection against rust and chemical exposure, making it ideal for industrial equipment, machinery assemblies, and outdoor applications. The fine UNF threads maintain secure fastening under vibration-prone conditions, while the external hex drive ensures reliable torque application during installation. With its Class 2B thread fit, this cap nut eliminates the need for secondary operations by providing consistent threading accuracy that speeds up production lines and reduces assembly errors in precision manufacturing environments.

Specification Summary & Compliance

This 1/4"-28 UNF fine thread cap nut features precise Class 2B thread fit per UNF standards, ensuring dimensional accuracy and interchangeability. The nut maintains 7/16" width across flats and 3/8" height for consistent performance. Manufacturing complies with industry standards for stainless steel fasteners, and the product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety requirements for industrial components.