S-91884A219 10-32 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
- Superior corrosion resistance and lightweight strength from 2011 aluminum alloy, ideal for weight-sensitive applications without compromising durability
- Precise Class 2B thread fit ensures smooth engagement and reliable fastening in demanding assembly operations
- Fine UNF 10-32 threading provides increased thread contact for enhanced vibration resistance and load distribution
- External hex drive design allows for easy installation and removal with standard tools, reducing assembly time
- RoHS 3 compliance with exemption meets environmental regulations while maintaining optimal machinability for industrial use
- Compact 3/8" width and 11/32" height offers space-efficient sealing in confined assembly environments
- Right-hand thread direction ensures compatibility with standard industrial equipment and simplifies maintenance procedures
Professional Applications & Engineering Value
Engineered for precision assemblies requiring reliable sealing and vibration resistance, this 2011 aluminum cap nut solves critical challenges in aerospace, electronics, and machinery applications. The fine UNF 10-32 thread with Class 2B fit maintains consistent clamping force under dynamic loads, while the external hex drive enables quick servicing in hard-to-reach areas. The aluminum construction prevents galvanic corrosion when paired with compatible materials, extending service life in harsh environments. These cap nuts provide secure thread protection and contamination prevention in automated manufacturing systems, reducing downtime and maintenance costs.
Specification Summary & Compliance
Manufactured to UNF thread standards with Class 2B thread fit tolerance for precise engagement. Dimensions include 10-32 thread size, 3/8" width, 11/32" height, and 5/32" thread depth. Compliant with RoHS 3 (2015/863/EU) under exemption 6(b)-II for lead as an alloying element in aluminum machining applications. Right-hand thread direction and external hex drive conform to industrial fastener specifications for reliable performance in technical assemblies.
