S-99612A119 3/8"-24 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 for extended service life in harsh environments
- Exceptional strength and reliability from Grade 5 classification, suitable for high-stress industrial applications
- Secure left-hand thread engagement prevents loosening in counter-rotating machinery and specialized equipment
- Precision UNF fine threading (3/8"-24) ensures tight, vibration-resistant connections with Class 2B fit
- Space-saving thin profile (7/32" height) enables use in confined assemblies without compromising strength
- Easy installation and removal with standard external hex drive (9/16" width) using common wrench tools
- Environmental compliance assurance meeting RoHS 3 and REACH standards for regulated industries
Professional Applications & Engineering Value
This Grade 5 thin hex nut delivers critical performance where standard fasteners fail. The zinc-plated steel construction provides essential corrosion protection for outdoor equipment, automotive systems, and marine applications. Its left-hand UNF fine threads (3/8"-24) are engineered specifically for rotating components where reverse-thread direction prevents accidental disassembly. The Class 2B thread fit ensures consistent engagement with mating bolts while the thin hex profile accommodates space-constrained designs in machinery, conveyor systems, and precision instruments. This combination of material durability and specialized threading solves common vibration-induced loosening and corrosion challenges in demanding industrial environments.
Specification Summary & Compliance
This 3/8"-24 UNF left-hand thread hex nut features Class 2B thread fit for precision engagement and Grade 5 strength classification for heavy-duty applications. Dimensions include 9/16" width across flats and 7/32" height thin profile. Manufactured to UNF fine thread standards with external hex drive compatibility. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for use in regulated industries worldwide.