S-92718A421 1/4"-20 Cap Nuts
Cap Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance from nickel-plated brass construction, extending service life in harsh environments
- Reliable thread engagement with Class 2B thread fit ensuring consistent fastening performance
- Quick installation with coarse UNC threading and external hex drive for efficient assembly
- Effective sealing capability with closed-end cap design protecting threads from contaminants
- Durable material strength from brass core providing excellent mechanical performance
- Standard inch compatibility with 1/4"-20 UNC threading for broad industrial application
- Secure grip surface with 7/16" hex width allowing for proper torque application
Professional Applications & Engineering Value
This nickel-plated brass cap nut delivers exceptional value in applications where corrosion resistance and thread protection are critical. The combination of brass material with nickel plating creates a robust barrier against moisture, chemicals, and environmental factors, making it ideal for automotive assemblies, industrial machinery, and outdoor equipment. The UNC coarse thread design with Class 2B fit ensures reliable engagement even in vibrating environments, while the external hex drive provides straightforward installation with standard tools. The closed-end cap nut profile effectively seals threaded ends, preventing contamination and enhancing the longevity of connected components in demanding fastening applications.
Specification Summary & Compliance
This cap nut features precise 1/4"-20 UNC coarse threading with Class 2B thread fit per ASME B1.1 standards, ensuring proper clearance and engagement. The dimensional specifications include 7/16" width across flats, 3/8" height, and 5/32" thread depth for consistent performance. Manufactured from nickel-plated brass with right-hand thread direction and external hex drive configuration. Complies with industry standards for inch-measurement fasteners and meets RoHS and REACH environmental requirements for safe industrial use.
