S-91845A040 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
- Superior corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
- Excellent vibration resistance due to the coarse UNC thread profile, maintaining secure fastening under dynamic loads.
- Precise and reliable fit with Class 2B thread tolerance, enabling smooth assembly and reducing the risk of cross-threading.
- High torque capability from the standard external hex drive design, allowing for efficient installation with common tools.
- Heavy-duty performance with a substantial 1 7/8" width and 1 1/16" height, providing robust load distribution.
- Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility.
- Versatile right-hand threading for standard applications, simplifying procurement and inventory management.
Professional Applications & Engineering Value
This 1 1/4"-7 UNC hex nut is engineered to address critical challenges in industrial fastening, where corrosion resistance and vibration loosening are major concerns. The 18-8 stainless steel material provides exceptional durability against moisture, chemicals, and outdoor exposure, making it ideal for construction, marine, and chemical processing equipment. Its coarse thread design ensures quicker installation and superior performance in high-vibration environments, reducing maintenance needs. The Class 2B thread fit guarantees consistent engagement with mating bolts, minimizing assembly errors and enhancing structural integrity. This nut is a reliable choice for heavy-duty applications requiring long-term, secure fastening solutions.
Specification Summary & Compliance
This hex nut features a 1 1/4"-7 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy per inch system standards. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances. Manufactured to standard industrial specifications for external hex drive and right-hand thread direction, it is suitable for a wide range of engineering and construction applications.
