S-90936A200 4-40 Press-Fit Nuts
Press-Fit Nuts
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Basic Information
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Other Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction, ensuring long-term durability in harsh industrial environments
- Reliable press-fit installation with round head design for secure, permanent mounting in panels as thin as 0.054"
- Precision thread engagement with Class 2B fit and 4-40 UNC coarse threads, reducing cross-threading risks and speeding assembly
- Optimized for high-volume production using standard L drill bit (0.29" diameter), minimizing tooling costs and setup time
- Enhanced environmental compliance meeting RoHS 3 standards, making it suitable for global markets and sensitive applications
- Consistent right-hand threading for intuitive installation and compatibility with common fastening systems
Professional Applications & Engineering Value
This 4-40 UNC press fit nut delivers robust performance in panel mounting applications where vibration resistance and permanent retention are critical. The zinc-plated steel material provides excellent corrosion protection for electrical enclosures, telecommunications equipment, and industrial machinery. Its coarse thread design ensures quick assembly while maintaining Class 2B thread fit precision, eliminating the need for additional locking components. The press-fit round head configuration distributes mounting stress evenly, preventing panel distortion in thin-gauge materials. Engineered for 0.054" minimum panel thickness, this solution addresses common challenges in sheet metal fabrication by providing reliable threaded inserts that won't loosen under dynamic loads.
Specification Summary & Compliance
This press-fit nut features 4-40 UNC coarse threads with Class 2B thread fit tolerance per ASME/ANSI standards. Manufactured from zinc-plated steel with round head configuration (0.13" height, 0.36" OD). Designed for installation in 0.29" (L drill size) holes in panels with minimum 0.054" thickness. RoHS 3 (2015/863/EU) compliant for environmental safety. Right-hand thread direction ensures standard compatibility across inch-system applications.
