S-91078A040 1 1/4"-7 Hex Nuts
Hex 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
- Enhanced corrosion resistance through zinc-plated steel construction, extending service life in demanding industrial environments
- Space-saving thin profile allows for installation in tight clearance applications without compromising strength
- Quick assembly efficiency with coarse UNC thread spacing, reducing installation time in high-volume operations
- Reliable thread engagement with Class 2B thread fit, ensuring consistent performance and vibration resistance
- Superior torque transmission through external hex drive design, preventing tool slippage during installation
- Compliance assurance with RoHS 3 and REACH standards, meeting global environmental and safety regulations
- Cost-effective Grade 2 strength provides optimal performance for general industrial applications
Professional Applications & Engineering Value
This 1 1/4"-7 UNC thin hex nut delivers exceptional engineering value through its zinc-plated steel construction and Class 2B thread fit, specifically designed to address common industrial challenges. The corrosion-resistant coating protects against environmental degradation in outdoor equipment, machinery, and structural applications, while the thin hex profile solves space constraints in compact assemblies. The coarse thread spacing ensures rapid installation in high-volume manufacturing settings, reducing labor costs and production downtime. Engineered for right-hand thread applications requiring reliable fastening in automotive, construction, and heavy equipment industries, this fastener maintains consistent performance under vibration and load stress, making it an ideal solution for maintenance, repair, and OEM operations.
Specification Summary & Compliance
This hex nut features precision 1 1/4"-7 UNC coarse threads with Class 2B thread fit tolerance, manufactured to standard inch system dimensions (1 7/8" width, 23/32" height). The fastener meets Grade 2 strength classification requirements and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across global industrial markets.
