S-90268A415 1/4"-28 x 3" Coupling Nuts
Coupling Nuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Exceptional connection strength due to the extra long 3" profile, ensuring secure and stable assemblies
- Precise thread engagement with Class 2B fit and 1/4"-28 UNF fine threading for reliable, vibration-resistant fastening
- Easy installation and removal featuring an external hex drive for standard tool compatibility
- Optimized thread utilization with a minimum 5/8" thread length on this partially threaded design
- Compliance with global standards including RoHS 3 and REACH, meeting strict environmental and safety regulations
- Versatile right-hand threading compatible with standard UNF components for broad application use
Professional Applications & Engineering Value
This extra long coupling nut in 18-8 Stainless Steel is engineered to solve critical connection challenges in demanding environments. Its 3" length and partially threaded design provide extended reach and alignment capabilities, perfect for joining threaded rods or bolts in structural frameworks, machinery, and piping systems. The 1/4"-28 UNF fine threading with Class 2B fit ensures minimal backlash and superior resistance to loosening under vibration, a common issue in industrial settings. Made from corrosion-resistant stainless steel, it delivers long-term reliability in applications exposed to moisture, chemicals, or outdoor elements, reducing maintenance needs and downtime in sectors like manufacturing, construction, and automotive assembly.
Specification Summary & Compliance
This coupling nut adheres to UNF thread standards with a Class 2B thread fit for consistent dimensional accuracy. Key specifications include a 1/4"-28 fine thread size, right-hand thread direction, and 5/8" minimum thread length. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and health safety standards for industrial use.
