A locksmith opens, repairs, installs and rekeys locks, cuts keys, and services safes. You start by learning how a pin tumbler lock works, because everything else builds on that. Then you add key cutting, rekeying and door hardware, and reach job-ready by running service calls professionally and legally. Later you grow into master key systems, electronic access control and safe work. Most locksmiths learn through hands-on practice and an apprenticeship or a helper job with an established shop. Licensing is state by state, so check your state's rules first. A few states require a license, and ma
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Every stage from beginner to expert, with lessons, practice drills, projects, interview questions and free resources. Free with a Rolearch account.
Stage 1 of 3 · about 10 weeks
Understand how common locks work, use basic tools safely, and rekey a simple lock.
How pin tumbler locks work
Most residential locks are pin tumblers. If you know why the key lifts the pins to the shear line, you can diagnose almost any problem, from a sticking key to a worn plug.
Rekeying and key basics
Rekeying is the most common job on a service call. It means changing the pins so a new key works and the old one does not. It is quick money and builds trust.
Hand tools and shop safety
Drills, files, key machines and cutting tools can injure you. Good habits protect your hands and eyes, and protect your customer's property.
Law, ethics and customer identification
Locksmiths hold trust. You must verify who owns the property before opening it. Bad ethics can cost you your license and your business.
Then 2 more stages (about 50 weeks in all) with lessons, drills, projects, 6 interview questions with strong answers and free resources.