
Deadbolt grades explained: what Grade 1, 2 and 3 actually test
The grade stamped on the box is a real standard with real tests behind it. What it measures, what it ignores, and why the strike plate matters more than the brand.
✳Written by
LAK Locksmith has been working across the Greater Toronto Area since 2021, from 470 N Rivermede Rd in Vaughan. These guides are written by the technicians who do the work — residential, commercial and automotive — and are kept to what can be demonstrated on a doorstep rather than what sells.


The grade stamped on the box is a real standard with real tests behind it. What it measures, what it ignores, and why the strike plate matters more than the brand.

Four checks that take about five minutes, before you pay anyone to program a replacement remote you might not need.

What an electronic deadbolt genuinely changes, what it does not, and the three failure modes worth planning for before one goes on your front door.

Push-to-start keys are paired to the car rather than cut for it. What pairing means, why the vehicle has to be present, and what changed with security gateways.

Ten things to do with the keys, the doors and the garage in the first week at a new address. Most of them are free.