S-94301A140 3/8"-16 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 with 18-8 stainless steel construction, ideal for harsh industrial environments
- Reliable coarse threading with UNC 3/8"-16 specification ensures quick assembly and reduced cross-threading risk
- Precise Class 2B thread fit guarantees consistent engagement and vibration resistance in demanding applications
- External hex drive design provides secure tool grip for efficient installation and removal
- Full regulatory compliance with RoHS 3 and REACH standards for safe use in regulated industries
- Durable open-end cap profile offers reliable protection for bolt ends while maintaining structural integrity
- Optimized dimensions (11/16" width, 3/8" height) ensure compatibility with standard tools and space-constrained assemblies
Professional Applications & Engineering Value
This 3/8"-16 UNC cap nut delivers exceptional performance in industrial fastening systems where corrosion resistance and thread reliability are critical. The 18-8 stainless steel composition provides excellent durability against moisture, chemicals, and temperature variations, making it suitable for manufacturing equipment, automotive assemblies, and outdoor structures. The coarse thread spacing and Class 2B thread fit ensure rapid installation while maintaining secure connections in high-vibration environments. The external hex drive configuration allows for high-torque application with standard tools, reducing installation time and improving workplace efficiency. These cap nuts serve as ideal terminal fasteners for threaded rods and bolts where both aesthetic finish and functional protection are required.
Specification Summary & Compliance
This cap nut features UNC 3/8"-16 coarse threads with Class 2B thread fit tolerances, right-hand thread direction, and 3/8" thread depth. Manufactured from 18-8 stainless steel with an open-end profile and external hex drive. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for hazardous substance restrictions. Dimensions include 11/16" width across flats and 3/8" total height.
