Aluminum Hex Head Screws

Where an electrical connection is required, the aluminum screw itself can form a current path. Its conductivity is about 60% of that of pure copper. In the design of battery pack connection or chassis grounding, using aluminum screws and ensuring that the surface treatment is conductive oxidation can effectively establish a low-impedance connection, which has the dual functions of structural fixation and electrical conduction.

Colored by anodizing, the aluminum screws themselves serve as design elements. More than dozens of standard colors are provided, such as black for hiding, gold for high-end decoration, or different colors for regional identification (such as different maintenance levels), which not only realizes mechanical functions, but also improves the overall texture and maintainability of the product.

In mobile vehicles, the lightweight effect of aluminum screws directly translates into energy savings. Research shows that for every 100 kilograms of vehicle mass reduced, fuel consumption per 100 kilometers can be reduced by 0.3 to 0.6 liters.

In a car that uses more than 200 screws, replacing steel with aluminum can save several kilograms of weight. The long-term cumulative fuel savings and carbon dioxide emission reduction effects are significant. It is an important engineering practice in response to environmental regulations.

When the connection objects are also aluminum alloy parts, the thermal expansion coefficient of aluminum screws (approximately 23.5×10⁻⁶/°C) perfectly matches the base material.

In outdoor base stations where the temperature difference between day and night reaches 60°C, this matching can significantly reduce the thermal stress on the connectors caused by the temperature difference and avoid loose connections or structural deformation. Compared with steel screws, it can reduce thermal stress by up to 70%.