S-98190A112 8-32 Cap Nuts
Cap Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
Cap Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance thanks to the nylon 6/6 insert that locks the nut securely in place, preventing loosening under dynamic loads.
- Reliable performance in high-temperature environments, with the nylon insert maintaining its locking integrity up to 250°F.
- Durable and corrosion-resistant construction from Grade 2 steel and a robust black nylon cap that protects threads and enhances aesthetics.
- Easy installation and removal with a standard external hex drive design, compatible with common wrenches for efficient assembly.
- Secure coarse thread fit with UNC Class 2B threads ensuring consistent engagement and reducing the risk of cross-threading.
- Compliance with global environmental standards, meeting both REACH and RoHS 3 directives for safe and sustainable use.
- Compact and precise dimensions (11/32" width, 23/64" height) for versatile application in space-constrained assemblies.
Professional Applications & Engineering Value
This 8-32 UNC nylon insert lock nut is engineered to solve critical challenges in industrial settings where vibration and thermal cycling are common. The Grade 2 steel body provides excellent tensile strength, while the nylon 6/6 insert creates a prevailing torque that resists back-off, making it ideal for machinery, automotive, and electrical enclosures. The coarse thread and Class 2B fit ensure quick assembly and reliable performance in high-temperature applications up to 250°F. By combining a black nylon cap for thread protection with a standard external hex drive, this cap nut delivers both functional security and ease of maintenance, reducing downtime in heavy-duty operations.
Specification Summary & Compliance
This nut features an 8-32 UNC coarse thread with a Class 2B thread fit for precise dimensional accuracy. It adheres to standard manufacturing specifications for external hex drive and right-hand thread orientation. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, ensuring it meets stringent environmental and safety standards for industrial use.
