S-93350A552 1/4"-20 x 7/8" Coupling Nuts
Coupling 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 zinc-flake coating for extended service life in harsh industrial environments
- Precise Class 2B thread fit ensures smooth assembly and reliable connections with mating components
- Heavy-duty steel construction provides exceptional strength for demanding coupling applications
- Full UNC coarse threading enables faster installation and superior vibration resistance
- External hex drive design allows for easy installation with standard wrench tools
- Comprehensive compliance with RoHS 3 and REACH regulations for global market acceptance
- Optimized dimensions (3/8" width × 7/8" length) for space-efficient yet robust coupling solutions
Professional Applications & Engineering Value
This zinc-flake-coated steel coupling nut delivers exceptional engineering value in demanding industrial applications where corrosion resistance and structural integrity are paramount. The fully threaded UNC coarse thread pattern with Class 2B fit ensures reliable connections in extended shaft assemblies, while the external hex drive facilitates quick installation in confined spaces. Engineered for heavy-duty coupling applications, this nut maintains consistent performance in mechanical systems, automotive assemblies, and industrial equipment where vibration resistance and long-term durability are critical. The combination of steel core strength and advanced surface protection addresses common failure points in corrosive environments, making it ideal for outdoor equipment, marine applications, and manufacturing facilities.
Specification Summary & Compliance
This coupling nut features 1/4"-20 UNC coarse threading with Class 2B thread fit tolerance for precise mating compatibility. Manufactured to industry standards with fully threaded right-hand direction and standard coupling nut profile. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance. Dimensions include 3/8" width across flats and 7/8" length for standardized installation requirements.
