S-95030A190 1/2"-13 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Secure cotter pin locking mechanism prevents loosening under vibration and heavy loads for enhanced operational safety
- Zinc-plated steel construction provides excellent corrosion resistance in harsh industrial environments
- 1/2"-13 UNC coarse threading ensures quick installation and removal while maintaining strong holding power
- Class 2B thread fit delivers reliable engagement with mating components for consistent performance
- Standard external hex drive design allows for easy installation using common wrench tools
- Precisely sized cotter pin slots (0.148" depth, 0.15" width) accommodate standard 1/8" pins for positive locking
- Right-hand threading compatibility works seamlessly with standard rotating equipment and machinery
Professional Applications & Engineering Value
This castle locknut delivers critical safety performance in high-vibration applications where traditional fasteners might fail. The zinc-plated steel construction withstands environmental exposure while the cotter pin locking mechanism provides absolute security against rotational loosening. Engineered with 1/2"-13 UNC coarse threads and Class 2B fit, this external hex drive nut maintains precise alignment in automotive, agricultural, and industrial machinery applications. The standardized slot dimensions ensure compatibility with common 1/8" cotter pins, making it ideal for axle assemblies, rotating shafts, and other critical connections where safety and reliability are paramount.
Specification Summary & Compliance
This heavy-duty locknut features 1/2"-13 UNC coarse threads with Class 2B thread fit for consistent engagement. The external hex measures 3/4" across flats with a 7/16" height profile. Manufacturing complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring safe use in industrial applications worldwide. The cotter pin slot accommodates standard 1/8" diameter pins with minimum slot dimensions of 0.148" depth and 0.15" width for reliable locking performance.
