Lock pin
The most common material for pin-tumbler locking cylinders, keys, and components is brass. Cylinders and components (pins, levers, wafers, etc) also commonly use nickel-silver, steel, and other materials.
The most common material for pin-tumbler locking cylinders, keys, and components is brass. Cylinders and components (pins, levers, wafers, etc) also commonly use nickel-silver, steel, and other materials.