S-91845A265 1 1/2"-12 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Enhanced vibration resistance due to the fine thread spacing, maintaining secure fastening in high-stress and dynamic equipment.
• Reliable and precise fit with Class 2B thread tolerance, ensuring smooth assembly and reducing the risk of cross-threading.
• High torque capability provided by the standard external hex drive and 2 1/4" width, allowing for secure tightening with common tools.
• Long-term durability and material integrity, offering excellent strength and resistance to wear in heavy-duty applications.
• Compliance with major regulations including RoHS 3 and REACH, ensuring safety and environmental standards for global supply chains.
• Broad compatibility with UNF fine thread components, making it a versatile choice for machinery, automotive, and structural assemblies.

Professional Applications & Engineering Value

This 1 1/2"-12 UNF Class 2B hex nut is engineered to address critical challenges in industrial settings where corrosion resistance and thread reliability are paramount. Constructed from 18-8 Stainless Steel, it effectively combats rust and chemical degradation, extending service life in demanding environments like marine, chemical processing, and food machinery. The fine thread spacing and UNF thread type provide superior holding power against vibrations, preventing loosening in heavy-duty equipment and automotive systems. With an external hex drive and standard profile, it ensures easy installation and high torque application, reducing assembly time and maintenance costs. This nut is a trusted solution for engineers seeking durable, compliant fasteners that enhance the safety and longevity of their designs.

Specification Summary & Compliance

This hex nut adheres to Class 2B thread fit for consistent dimensional accuracy and smooth engagement. It conforms to UNF (Unified National Fine) thread standards with a right-hand thread direction and fine thread spacing. Manufactured to precise specifications, including a width of 2 1/4" and height of 1 9/32", it ensures reliable performance in inch-based systems. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting stringent environmental and safety requirements for industrial use.