S-90264A707 2 1/4"-4 1/2 x 9 1/2" Coupling Nuts

Key Features & Benefits at a Glance

• Extended reach capability with 9 1/2" length for connecting components across larger gaps
• Superior load distribution through extra-long steel construction for enhanced structural integrity
• Secure coarse threading with 2 1/4"-4 1/2 UNC Class 2B fit ensuring vibration-resistant connections
• Easy installation and removal via external hex drive design compatible with standard wrench tools
• Optimized thread engagement through partially threaded design reducing installation time and material stress
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial usage
• Heavy-duty performance in demanding applications due to robust steel material and 3 1/2" width for torque handling

Professional Applications & Engineering Value

This extra long coupling nut solves critical spacing challenges in structural and mechanical assemblies where standard fasteners fall short. Engineered with durable steel construction and UNC coarse threading, it maintains connection integrity across extended spans while resisting loosening under vibration - a common failure point in machinery, construction, and transportation equipment. The partially threaded design minimizes cross-threading risks during installation, while the external hex drive ensures compatibility with common industrial tools. Ideal for extended reach applications requiring reliable, long-term performance in harsh environments, this coupling nut delivers engineering precision where dimensional accuracy and sustained clamping force are paramount.

Specification Summary & Compliance

Manufactured to precise Class 2B thread fit standards with 2 1/4"-4 1/2 UNC coarse threading and right-hand thread direction. Dimensions include 9 1/2" length and 3 1/2" width across flats. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage in industrial applications worldwide. The coupling nut profile meets inch system measurement specifications for consistent performance in standardized assemblies.