240-4-BR.438

Overview

The E-Z LOK 240-4-BR.438 is a press-fit threaded insert designed for plastic substrates. It features a flush head profile and is constructed from brass material. The component provides a 1/4-20 internal thread size. Its overall length is specified as 7/16 inch, which corresponds to approximately 0.438 inches. The recommended drill size for installation is 0.3125 inches.

Feature Summary

• Keylocking design ensures secure retention within plastic materials without rotation or pull-out under load.
• Flush head configuration allows for a low-profile finish suitable for surface-mounted applications.

Applications

• Insertion into thermoplastic components requiring durable threaded connections
• Assembly of electronic housings where flush mounting surfaces are required
• Installation in automotive interior plastic panels

Procurement Notes

Verify the specific suffix requirements against official E-Z Lok documentation to ensure correct packaging quantity and material specification. Confirm that the 0.3125-inch drill size matches your manufacturing tooling capabilities before procurement.

Selection Notes

Select this model when a flush-head brass insert is required for 1/4-20 threads in plastic. Ensure the substrate thickness accommodates the 7/16-inch length. Verify compatibility with the intended thermoplastic material properties during the design phase.

Part Context

This part belongs to the E-Z Press series of keylocking inserts. These components are engineered specifically for plastic applications, offering superior holding power compared to standard inserts. The brass construction provides corrosion resistance and electrical conductivity.

Replacement Considerations

No public confirmed substitute part numbers are available for this specific model. Consult E-Z Lok technical support for equivalent specifications if direct replacement is necessary.

FAQ

What is the recommended drill size for installing this insert?

The recommended drill size for installation is 0.3125 inches.

Is this insert suitable for metal substrates?

This model is specifically designed and documented for use in plastic substrates.