The automotive key blade is a fundamental component of traditional and modern vehicle keys, serving both mechanical and functional purposes. Its primary role is to provide access to the vehicle by engaging with the lock cylinder. The blade is cut to match a specific pattern that corresponds with the vehicle’s locking system, ensuring that only the correct key can unlock or start the car.

One of the main functions of the key blade is security. The unique cut of the blade aligns with the tumblers inside the lock, preventing unauthorized access. This simple yet effective mechanism has been a reliable method for decades, giving drivers confidence in the safety of their vehicles.

Another important function is operation. For vehicles equipped with mechanical ignition systems, the key blade must be inserted into the ignition cylinder to start the engine. Even in modern vehicles that feature remote or electronic systems, many keys still include a blade as a backup option, ensuring the car can be accessed and started if the electronic function fails.

Additionally, the key blade plays a role in convenience. Its compact size makes it easy to carry, while its durability allows it to withstand frequent use without losing effectiveness. Some designs also integrate the blade with remote control features, combining traditional and modern functions into a single unit.

The automotive key blade is essential for access, security, and operation. Whether used alone or as part of an advanced key system, it remains an important feature that supports everyday vehicle use.

https://www.hc-key.com/product/kd-car-key-blade/
Applicable models：    50# Hyundai Yuet Blade HYN14 HY17 HY11
Product material:    Brass + electroplating
Product specification:     2.8×8.3×53.8
Product unit weight:    6.3 g
Product advantages:     Easy cutting, easy processing.