S-97135A454 2"-8 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the nylon insert locking mechanism, preventing loosening in high-stress applications
• High-temperature durability with nylon insert rated for continuous operation up to 220°F (104°C)
• Exceptional strength performance meeting Grade 8 specifications for heavy-duty industrial applications
• Corrosion-resistant protection from black-oxide steel finish, extending service life in demanding environments
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance and easy assembly
• Industry-standard compatibility through UNC coarse threading system for broad application use
• Secure external hex drive design for straightforward installation and removal with standard tools

Professional Applications & Engineering Value

This Grade 8 nylon insert locknut delivers critical vibration resistance in demanding industrial environments where mechanical fasteners face constant stress and thermal challenges. The black-oxide steel construction provides essential corrosion protection while maintaining the high tensile strength required for heavy machinery, automotive assemblies, and structural applications. The UNC coarse threading ensures reliable engagement and disengagement, even in conditions where fine debris accumulation might compromise finer thread forms. With its nylon insert locking technology rated to 220°F, this fastener maintains clamping force in high-vibration equipment, eliminating the need for secondary locking devices and reducing maintenance frequency in industrial machinery, transportation systems, and heavy equipment applications.

Specification Summary & Compliance

This locknut features Class 2B thread fit tolerance for optimal engagement with mating components, manufactured to UNC coarse thread standards (2"-8 thread size). The product meets Grade 8 strength classification requirements and is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations. The external hex drive design conforms to industry standards for tool compatibility, while the nylon insert locking mechanism provides consistent performance across the specified temperature range.