key cutting machine

They are used to make copies of keys

Some do angle-teeth and flat teeth keys.

These can be code key, semi-automatic, automatic, flat steel/bit key, laser key, manual key or tubular key

automatic does much of the work

A tubular key cutting machine is used when an original key has a tubular shape. A tubular key, AKA barrel key, is one that is designed to open a tubular pin tumbler lock. It has a hollow, cylindrical shaft usually much shorter and has a larger diameter than most conventional keys.

Some have a BUILT-IN CUTTER SHAFT LOCK

Some are multi-purpose double cutter

Some are referred to as heavy-duty

A key is a device which is used to open a lock. It usually consists of a specially-shaped piece of flat metal, with cut notches (forming teeth), and/or milled grooves which fit the shape of a lock and can open a correctly combinated lock by (usually) being turned in the lock housing.

A master key is designed to open a set of several locks

A Do Not Duplicate key is one that has been stamped do not copy.

double-sided key is very similar to a house or car key with the exception that it has two sets of teeth, an upper level standard set of teeth and a lower, less defined set of teeth beside it

The phrase key cut is used in mining engineering in strip mine operations, the section excavated adjacent to the new highwall.

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