S-93525A286 1/4"-20 x 3/4" Coupling Nuts

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance - Zinc-plated steel construction provides reliable protection against rust and environmental degradation in demanding industrial settings
• Superior Load Distribution - Fully threaded design ensures maximum engagement and even stress distribution across connected components
• Simplified Installation & Maintenance - External hex drive allows for quick, tool-friendly installation and removal with standard wrenches
• Precision Thread Compatibility - UNC coarse threading with Class 2B fit guarantees secure, vibration-resistant connections in heavy-duty applications
• Grade 2 Strength Reliability - Meets established mechanical property requirements for consistent performance in structural and mechanical assemblies
• Regulatory Compliance Assurance - REACH and RoHS 3 compliance ensures environmental responsibility and workplace safety standards
• Optimized Connection Length - 3/4" length provides ample thread engagement for secure joining of threaded rods or studs

Professional Applications & Engineering Value

This Grade 2 zinc-plated steel coupling nut delivers exceptional engineering value in applications requiring extended-length threaded connections. The UNC coarse threading (1/4"-20) with Class 2B thread fit ensures reliable engagement in vibration-prone environments, while the fully threaded design maximizes load-bearing capacity across the entire nut length. The external hex drive facilitates installation in confined spaces where socket access may be limited. Ideal for connecting threaded rods in construction, machinery alignment, and structural framework assemblies, this coupling nut solves critical challenges in maintaining alignment and tension in extended fastener systems. The zinc plating provides essential corrosion protection for industrial environments, extending service life in manufacturing, automotive, and heavy equipment applications.

Specification Summary & Compliance

This coupling nut features 1/4"-20 UNC coarse threading with Class 2B thread fit precision, ensuring proper engagement and dimensional accuracy. Manufactured to Grade 2 strength specifications with standard external hex drive (3/8" width) and 3/4" length. The product is fully compliant with REACH (EC 1907/2006) regulations and meets RoHS 3 (2015/863/EU) environmental standards, containing no restricted hazardous substances. The 3/32" sight hole diameter allows for visual verification of proper thread engagement during installation.