S-90527A520 M8 Cap Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with Nylon 6/6 plastic construction, eliminating rust and chemical degradation in harsh environments
• Reliable sealing protection with closed-end cap design that prevents contamination and moisture ingress in assemblies
• Exceptional temperature performance maintaining structural integrity across -40° to 185°F (-40° to 85°C) operating range
• Precision thread engagement with Class 6H metric thread fit ensuring consistent fastening performance and vibration resistance
• Easy installation and removal through standard 13mm external hex drive compatible with common wrench tools
• Lightweight electrical insulation ideal for applications requiring non-conductive, non-magnetic fastening solutions
• Environmental compliance assurance with RoHS 3 (2015/863/EU) certification for restricted substance control

Professional Applications & Engineering Value

This M8 x 1.25 mm Nylon 6/6 plastic cap nut delivers critical engineering advantages where metal fasteners fail. The Class 6H thread fit provides precise engagement with mating components while the coarse thread spacing enables rapid assembly in production environments. The Nylon 6/6 material offers excellent chemical resistance against oils, solvents, and UV exposure, making it ideal for electrical enclosures, automotive components, and food processing equipment where corrosion prevention and electrical insulation are paramount. The temperature range of -40° to 185°F ensures reliable performance in both freezing conditions and elevated temperature applications, while the closed-end cap profile provides both aesthetic finishing and functional protection against debris and moisture ingress.

Specification Summary & Compliance

This metric cap nut features M8 x 1.25 mm coarse thread spacing with Class 6H thread fit per ISO metric standards, ensuring dimensional accuracy and interchangeability. The external hex drive measures 13mm across flats with 15mm overall height and 8.6mm thread depth. Manufactured from Nylon 6/6 plastic with right-hand thread direction, this component is RoHS 3 (2015/863/EU) compliant and suitable for applications requiring restricted substance control. The standard cap nut profile and temperature performance make it suitable for various industrial fastening requirements.