The internal mechanisms of locks are generally made of brass or die-cast zinc. The cam, which is the tongue that protrudes from the lock to secure it, is usually made of steel or stainless steel. The outer casing of a lock may be made of brass, chrome, steel, nickel or any other durable metal or alloy.

How is lock and key made?

Keys are cut with a machine called a key duplicator. Your original key is placed in a vice on one side of the key duplicator, lined up with the cutting tool (or blade), and a blank key is placed in a vice on the side of the machine that contains the alignment tool.

What are the mechanisms of a lock?

A locking mechanism is a mechanical system which provides assistance to the coupling and uncoupling of two connectors and the fixation of the two parts in operating position. The locking system helps to maintain the primary function of electrical continuity and is involved in the sealing performances of products.