S-91847A440 1 1/4"-12 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance thanks to 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
- Precise and secure fastening with a Class 2B thread fit, offering excellent engagement and vibration resistance.
- Space-saving thin profile (23/32" height) ideal for applications with limited clearance without compromising strength.
- Easy installation and removal facilitated by the external hex drive design, compatible with standard tools.
- Reliable performance in fine-thread applications due to the 1 1/4"-12 UNF thread, providing enhanced load distribution.
- Compliance with stringent environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use.
- Durable and consistent quality from precise manufacturing, suitable for repetitive industrial use.
Professional Applications & Engineering Value
This 1 1/4"-12 UNF thin hex nut is engineered to address critical challenges in industrial assembly, where corrosion resistance and space constraints are paramount. The 18-8 Stainless Steel material combats rust and chemical exposure, making it ideal for marine, chemical processing, and outdoor equipment. Its thin profile allows for secure fastening in compact designs, such as machinery frames and automotive components, without sacrificing durability. The fine UNF threads and Class 2B fit ensure tight, reliable connections that resist loosening under vibration, reducing maintenance needs. With an external hex drive and right-hand threading, it supports efficient installation in high-volume production lines, enhancing workflow productivity while meeting rigorous industry standards.
Specification Summary & Compliance
This nut features a 1 1/4"-12 UNF fine thread with a Class 2B thread fit for consistent dimensional accuracy and ease of assembly. It adheres to standard inch measurement specifications, with a width of 1 7/8" and height of 23/32". The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.
