A foldable key blade is essentially a traditional mechanical key that can fold into a compact form, usually housed within a key fob or holder. This design allows the key blade to be protected when not in use and folded out easily when needed to operate locks such as car doors or ignition cylinders.

This compact form reduces the bulkiness of carrying traditional keys and prevents accidental damage or injury caused by exposed key blades. Foldable key blades are typically integrated into electronic key fobs for vehicles but are also used in standalone security keys where portability and protection are priorities.

The hallmark of foldable key blades is their hinge mechanism that allows the blade to pivot and fold into the key housing. This hinge is usually constructed with durable metal pins and precision engineering to ensure smooth operation and long-lasting performance.

Foldable key blades generally feature a locking system that keeps the blade securely extended during use and firmly locked inside the housing when folded. This locking mechanism is critical to prevent accidental folding while inserting or turning the key.

The blade itself maintains the traditional flat, cut profile that matches the lock’s tumblers or wafers, ensuring compatibility with standard lock systems.

Foldable key blades are typically made from hardened metals such as stainless steel or nickel-plated brass. These materials provide the necessary strength and wear resistance required for daily use.

https://www.hc-key.com/product/foldable-key-blank/

Applicable models：    Santana Jetta Golf Audi 100
Product material:    Brass + electroplating
Product specification:     2.2×9.6×53.6
Product unit weight:    5.7 g
Product advantages:     Easy cutting, easy processing.