S-90673A106 3/4"-10 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through distorted thread top lock technology, preventing loosening in high-stress environments
• Enhanced corrosion protection with black-oxide steel coating for extended service life in industrial conditions
• Reliable installation and removal with external hex drive design providing secure tool engagement
• Consistent thread engagement with Class 2B fit ensuring proper mating with corresponding fasteners
• Heavy-duty performance from Grade 5 steel construction supporting demanding mechanical applications
• Industry-standard compatibility with 3/4"-10 UNC coarse threads for broad application across equipment and machinery
• Environmental compliance assurance meeting REACH and RoHS 3 standards for safe industrial use

Professional Applications & Engineering Value

This Grade 5 Black-Oxide Steel Locknut with distorted thread top lock technology addresses critical vibration-induced loosening challenges in industrial settings. The engineered thread distortion creates consistent interference fit, maintaining clamp force where conventional nuts fail. The black-oxide surface treatment provides corrosion resistance without compromising dimensional accuracy, while the external hex drive ensures straightforward installation with standard tools. Ideal for heavy machinery, automotive assemblies, and construction equipment where 3/4"-10 UNC coarse threads require secure, permanent fastening solutions that withstand dynamic loads and environmental exposure without compromising structural integrity.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit for optimal engagement with mating components. The UNC coarse thread specification (3/4"-10) ensures compatibility with industry-standard fasteners. Compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, confirming adherence to international safety and substance restriction standards. Physical dimensions include 1-1/8" width across flats and 3/4" height for standardized wrench access and space-efficient installation.