S-95030A260 3/4"-10 Locknuts

Key Features & Benefits at a Glance

• Secure vibration-resistant locking through cotter pin mechanism prevents loosening in high-stress applications
• Corrosion-resistant zinc plating extends service life in demanding industrial environments
• Precision Class 2B thread fit ensures smooth installation and reliable engagement with mating components
• Heavy-duty 3/4"-10 UNC coarse threading provides faster assembly and superior performance in vibration-prone settings
• Standard external hex drive design enables easy installation with common wrench tools
• Optimized slot dimensions (0.265" depth, 0.18" width) accommodate standard 5/32" cotter pins for secure fastening
• Full regulatory compliance with REACH and RoHS 3 standards for safe, environmentally responsible manufacturing

Professional Applications & Engineering Value

This heavy-duty castle locknut with cotter pin locking delivers critical safety in applications where vibration-induced loosening poses significant risks. The zinc-plated steel construction provides excellent corrosion resistance while maintaining the structural integrity needed for industrial machinery, agricultural equipment, and automotive assemblies. The 3/4"-10 UNC coarse thread configuration ensures rapid installation and disassembly while the Class 2B thread fit guarantees precise mating with corresponding bolts. Engineered specifically for right-hand thread applications requiring positive mechanical locking, this external hex drive nut solves the fundamental challenge of maintaining fastener integrity in high-vibration environments where conventional nuts would fail.

Specification Summary & Compliance

This castle locknut features 3/4"-10 UNC coarse threading with Class 2B fit for optimal thread engagement and dimensional accuracy. The standard external hex drive (1 1/8" width) and 21/32" height provide industry-standard installation compatibility. Manufactured from zinc-plated steel with cotter pin slots designed for 5/32" diameter pins, the nut meets REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) compliance standards, ensuring environmental responsibility and workplace safety.