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 bitting list is a manufacturer-provided record of all numerical bitting codes for a key series, allowing locksmiths to cut keys by code without a physical original.

Question 2

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

Accepted Answer

5

Answer

A standard 5-pin cylinder uses a key with 5 bitting cuts, each corresponding to one pin stack in the lock.

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

MACS (Maximum Adjacent Cut Specification) defines the maximum allowable difference in depth between any two adjacent cuts to ensure the key can be properly picked up by the driver pins.

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

Spacing refers to the horizontal distance from the reference point (shoulder or tip) to each individual cut position along the length of the blade.

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

A direct code (or blind code) directly translates to specific bitting depths without requiring a look-up conversion table.

Locksmith Practice Test

Locksmith Practice Test

Locksmith Key Cutting and Duplication 2