S-91851A038 1"-8 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 with 18-8 stainless steel construction, ideal for harsh industrial environments
- Enhanced load distribution due to the extra-wide thin profile, reducing surface pressure and material stress
- Quick and easy installation with coarse UNC threads and external hex drive, speeding up assembly processes
- Reliable thread engagement ensured by Class 2B thread fit, minimizing cross-threading and loosening risks
- Durable long-term performance in demanding applications, backed by robust material and precise manufacturing
- Compliance with global standards including RoHS 3 and REACH, ensuring safe and sustainable use
- Versatile right-hand threading for standard fastening operations across various machinery and equipment
Professional Applications & Engineering Value
This 1"-8 UNC coarse thread hex nut is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding settings. The 18-8 stainless steel material offers excellent resistance to rust and chemicals, making it suitable for outdoor, marine, and chemical processing applications. Its extra-wide thin profile provides a larger bearing surface, distributing clamp load more effectively to prevent joint failure and reduce the need for frequent maintenance. Combined with the Class 2B thread fit, this nut ensures smooth assembly and reliable holding power in heavy-duty equipment, structural frameworks, and automotive assemblies, enhancing overall operational efficiency and safety.
Specification Summary & Compliance
This hex nut features a 1"-8 UNC coarse thread with Class 2B thread fit for consistent dimensional accuracy and ease of use. Key dimensions include a width of 1 5/8" and height of 35/64", adhering to standard inch measurement systems. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial markets. Manufactured to precise specifications, this nut meets common industry requirements for reliability and environmental safety.
