S-94846A560 1 1/4"-12 ASME B18.2.2 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 zinc-plated steel construction, extending service life in demanding industrial environments
- Enhanced load distribution from the thin hex profile, reducing material usage while maintaining structural integrity
- Reliable torque transmission through the external hex drive design, ensuring secure installation with standard tools
- Precision thread engagement with Class 2B fine UNF threads, minimizing vibration loosening in high-stress applications
- Guaranteed mechanical performance meeting Grade 5 strength requirements, supporting medium-duty to heavy-duty fastening needs
- Regulatory compliance assurance with RoHS 3 and REACH standards, enabling use in regulated industries worldwide
- Interchangeable compatibility through ASME B18.2.2 conformance, ensuring proper fit with standardized components
Professional Applications & Engineering Value
This 1 1/4"-12 UNF thin hex nut delivers critical engineering advantages where space constraints and vibration resistance are paramount. The zinc-plated steel construction provides essential corrosion protection for machinery, automotive assemblies, and structural frameworks exposed to environmental elements. The fine thread spacing and Class 2B thread fit create superior resistance to vibrational loosening, making these industrial hex nuts ideal for equipment subjected to dynamic loads or thermal cycling. The reduced profile allows installation in confined spaces without compromising the Grade 5 strength rating, offering designers flexibility in compact assembly configurations while maintaining heavy-duty performance standards.
Specification Summary & Compliance
Manufactured to exacting ASME B18.2.2 specifications with Class 2B thread fit tolerance for consistent mating with UNF threaded components. The 1 1/4"-12 UNF fine thread configuration ensures precise engagement, while the thin hex profile (1 7/8" width × 23/32" height) provides space-efficient fastening. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, alongside meeting Grade 5 mechanical property requirements for reliable performance in industrial applications.
