S-91847A031 3/8"-16 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 from 18-8 stainless steel construction, ideal for harsh industrial environments
- Space-saving thin profile (7/32" height) enables use in tight clearance applications
- Reliable coarse thread engagement with UNC 3/8"-16 threads for faster assembly and reduced cross-threading risk
- Precision Class 2B thread fit ensures consistent mating with male threads for vibration-resistant connections
- External hex drive design provides excellent tool access and torque transmission during installation
- Full regulatory compliance with RoHS 3 and REACH standards for global supply chain integration
- Durable inch-system compatibility for seamless integration with existing North American equipment and components
Professional Applications & Engineering Value
This 18-8 stainless steel thin hex nut delivers critical performance advantages in demanding applications where corrosion resistance and space constraints are primary concerns. The UNC coarse thread profile with Class 2B fit provides reliable engagement in high-vibration environments common to industrial machinery, automotive assemblies, and outdoor equipment. The reduced height profile enables use in compact designs while maintaining full thread engagement strength. Manufactured from 18-8 stainless steel, this external hex drive nut maintains integrity in moist, chemical, or temperature-variable conditions that would compromise standard steel fasteners. The combination of right-hand threading and standardized inch dimensions ensures compatibility with existing tooling and components across manufacturing and maintenance operations.
Specification Summary & Compliance
This thin hex nut features precision 3/8"-16 UNC coarse threads with Class 2B thread fit per ASME B1.1 standards, ensuring consistent dimensional accuracy across production batches. The nut measures 9/16" across flats with a 7/32" height profile. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming absence of restricted substances for global market acceptance. The 18-8 stainless steel composition provides inherent corrosion resistance without additional plating requirements.
