Locksmithschool4u Logo
 
Depth and Space Charts

Below are some basic depth and space charts.  If you are just getting started you might consider getting a Foley Belsaw key machine, they can be found on Craigslist for around $200 - $400.  You can use it in conjunction wit the charts below to make a most common keys from code.  

 
Auto Residential and Commercial
HPC Depth and Space Charts