This product is a precisely designed hidden screw-based locking mechanism, developed specifically for fine jewelry applications such as rings, bracelets, pendants, and custom luxury pieces.

The mechanism is based on a screw and nut system that converts rotational motion into secure linear locking, offering:

High reliability

Smooth mechanical movement

Strong resistance against accidental opening

Its compact and concealed structure makes it ideal for high-end jewelry where security, aesthetics, and elegance are equally important.

This lock is suitable for:

Gold jewelry (18K, 14K)

Fine jewelry and luxury designs

Custom-made and mechanical jewelry concepts

The model is clean, well-structured, and optimized for:

Manufacturing reference

Prototyping

Customization and scaling

Perfect for jewelry designers, goldsmiths, CAD designers, and luxury brands looking for a unique and secure locking solution.