Locksmith Key Cutting and Duplication 2

Question 1

What is the purpose of a 'bitting list' in locksmithing?

Accepted Answer

A manufacturer-provided chart of bitting codes for a key series

Answer

A list of all keys that have been duplicated illegally

Answer

A checklist for inspecting a lock after installation

Answer

A list of key blanks stocked in a shop

Question 2

What is the maximum number of active cuts typically found on a standard 5-pin residential key?

Accepted Answer

5

Answer

4

Answer

6

Answer

7

Question 3

Which term describes the difference in height between the deepest and shallowest cuts a manufacturer allows in a key series?

Accepted Answer

MACS (Maximum Adjacent Cut Specification)

Answer

Bitting range

Answer

Key section

Answer

Cut differential

Question 4

When cutting a key by code, a locksmith references a 'depth and space' specification. What does 'space' refer to?

Accepted Answer

The distance from the shoulder (or tip) to each cut position along the blade

Answer

The depth of each cut below the key blade

Answer

The clearance between the key and the keyway

Answer

The gap between the plug and the shell

Question 5

A locksmith uses a 'code book' or software to look up code 'A1234'. This code is best described as a:

Accepted Answer

Direct code (blind code)

Answer

Indirect code (key code)

Answer

Bitting by impression

Answer

Key series prefix

Question 6

After cutting a new key by code, the locksmith discovers it will not turn the lock smoothly. The most likely cause is:

Accepted Answer

The cuts were made at incorrect depths or spacing

Answer

The key blank bow is too wide

Answer

The key is made of the wrong metal alloy

Answer

The bow was cut at an angle

Question 7

What machine function allows a locksmith to cut a key from a code without an original key present?

Accepted Answer

Code-cutting (code machine) mode

Answer

Duplication mode

Answer

Impression mode

Answer

Decoding mode