S-90527A505 M4 Cap Nuts

Key Features & Benefits at a Glance

• Excellent corrosion resistance due to Nylon 6/6 plastic construction, ideal for humid or chemically aggressive environments.
• Secure and reliable fastening with a Class 6H thread fit, ensuring precise engagement and vibration resistance.
• Broad temperature tolerance from -40° to 185° F, maintaining integrity in varied operating conditions.
• Enhanced user safety and product finish with a cap design that covers exposed threads, preventing snags and offering a clean appearance.
• Easy installation and removal with a standard external hex drive, compatible with common wrenches for efficient maintenance.
• Lightweight and non-conductive properties reduce overall assembly weight and eliminate electrical conductivity risks.
• Environmentally compliant manufacturing meeting RoHS 3 standards, supporting global sustainability initiatives.

Professional Applications & Engineering Value

This M4 x 0.7 mm Nylon 6/6 Plastic Cap Nut is engineered to address common industrial challenges such as component corrosion, electrical insulation, and weight reduction. The Nylon 6/6 material offers inherent resistance to many chemicals and moisture, preventing rust and degradation in applications like electrical enclosures, automotive assemblies, and consumer electronics. Its metric coarse thread and Class 6H thread fit provide a secure, vibration-resistant connection that minimizes loosening under dynamic loads. The cap nut profile not only enhances safety by covering sharp thread ends but also contributes to a streamlined, professional finish. With a temperature range from -40° to 185° F, it performs reliably in both cold storage and moderate heat environments, making it a versatile plastic fastener for OEM and MRO needs.

Specification Summary & Compliance

This cap nut features an M4 metric thread size with a 0.7 mm coarse pitch and Class 6H thread fit per ISO standards, ensuring dimensional accuracy and interchangeability. The external hex drive style conforms to common wrench sizes for straightforward installation. It is manufactured in compliance with RoHS 3 (2015/863/EU) regulations, confirming the absence of hazardous substances. Key dimensions include a 7 mm width, 8 mm height, and 5.9 mm thread depth for consistent performance in various metric fastening applications.