S-90831A180 1/2"-20 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance from the 316 stainless steel with black-oxide finish, ideal for harsh industrial environments.
- Space-saving design with a thin profile (5/16" height) for applications where clearance is limited.
- Reliable, fine-thread engagement with 1/2"-20 UNF threads and Class 2B fit for secure, vibration-resistant connections.
- Easy installation and removal facilitated by the standard external hex drive and 3/4" width for common tools.
- Right-hand threading ensures compatibility with standard assembly procedures and components.
- Compliance with major environmental regulations including RoHS 3 and REACH, supporting responsible sourcing.
- Durable, long-lasting performance in demanding applications due to high-grade materials and precision manufacturing.
Professional Applications & Engineering Value
This thin hex nut is engineered to address common challenges in industrial assembly, such as component corrosion and space constraints. The black-oxide 316 stainless steel finish provides superior protection against rust and chemical exposure, making it suitable for marine, chemical processing, and outdoor equipment. Its UNF fine thread and Class 2B thread fit ensure tight, secure fastening that resists loosening under vibration, critical in machinery and automotive applications. The external hex drive allows for quick installation with standard wrenches, reducing assembly time and improving efficiency in production lines. This nut delivers reliable performance where precision and durability are paramount.
Specification Summary & Compliance
This nut features a 1/2"-20 UNF thread with fine thread spacing and a Class 2B thread fit for consistent dimensional accuracy. It adheres to standard inch measurement systems and is manufactured to meet industry specifications for external hex drive nuts. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.
