S-90790A204 3/8"-16 Cap Nuts
Cap 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
- Enhanced corrosion resistance with black-oxide steel finish for extended service life in demanding environments
- Superior torque transmission through external hex drive design for secure fastening and easy installation
- Maximum thread engagement with 15/32" thread depth providing reliable vibration resistance
- Precision fit assurance with Class 2B thread fit ensuring consistent performance across applications
- Exceptional durability from extra-wide high profile design that withstands heavy mechanical stress
- Regulatory compliance with REACH and RoHS 3 standards for safe use in industrial settings
- Broad compatibility with 3/8"-16 UNC coarse threads for versatile application across equipment
Professional Applications & Engineering Value
This black-oxide steel cap nut delivers critical engineering solutions where vibration resistance and environmental protection are paramount. The extra-wide high profile design provides increased bearing surface area, distributing load more effectively to prevent loosening in heavy machinery, automotive assemblies, and structural frameworks. The UNC coarse thread configuration ensures rapid installation and superior performance in high-vibration environments, while the black-oxide coating offers reliable corrosion protection without compromising dimensional accuracy. Engineered for industrial applications requiring Class 2B thread fit precision, this cap nut maintains integrity under sustained mechanical stress, making it ideal for manufacturing equipment, construction machinery, and transportation systems where reliability cannot be compromised.
Specification Summary & Compliance
This cap nut features 3/8"-16 UNC coarse threads with Class 2B thread fit for precise dimensional accuracy and consistent performance. The manufacturing complies with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) standards with exemption 6(a)-I for lead as an alloying element in steel. Critical dimensions include 3/4" width across flats and 15/32" thread depth, ensuring proper engagement and load distribution in industrial fastening applications.