Is a Grade 3 Lock Good

Grade 3 Deadbolts are the Least Secure and NOT Recommended Lock grade 3 is the least secure of the three lock grades. It should be considered basic door hardware, for non high security situations, and is the least expensive. It is also the common lock you will find on homes.

What is the difference between Grade 2 and Grade 3 locks?

Grade 2 requires a key in knob, must hold up to 150 lb-in and a lever must hold up to 225 lb-in. Grade 3 requires a key-in-knob to withstand at least 120 lb-in and a lever lock must withstand at least 180 lb-in.

What is a Grade 3 deadbolt?

The American National Standards Institute, or ANSI, created deadbolt grades. … Grade 3 is your average deadbolt which will provide an accepted, but minimal, level of security.