What is ANSI Grade 2 lock?

Author: Kari Zboncak  |  Last update: Friday, July 1, 2022

ANSI Grade 2- This is a high residential security or low commercial grade. It is designed to offer superior security and durability for homes and light commercial use. ANSI Grade 3 - This is a basic residential security lock that meets the lowest acceptable quality standards for locks by the ANSI.

What is the difference between ANSI Grade 1 and 2?

Grade 1 not only meets commercial building requirements, it also provides the best security available against vandalism and heavy usage. Grade 2 meets light commercial requirements and exceeds residential building requirements. These locks are adequate for lighter duty doors where security is less of an issue.

What is a Grade 2 security rating?

What is Lock Grade 2. Lock grade 2 is the next level up in terms of testing and security. Grade 2 locks are not usually sufficient for many commercial buildings, but they exceed the building requirements for residential buildings. Grade 2 door knobs must handle 400,000 cycles, 4 door strikes and a 250-pound weight test ...

What is ANSI grade for locks?

A lock's security is denoted by its American National Standards Institute (ANSI) grade, with Grade 1 the most secure and Grade 3 the least. A builder-quality tubular lock will likely be a Grade 3, a good-quality handleset a Grade 2.

What is ANSI grade mean?


The American Nation Standards Institute (ANSI) grading system for deadbolts was developed by the Builder's Hardware Manufactures (BHMA). This grading system ranges from 1 (the highest grade) to 3 (the lowest grade). It factors in longevity of the lock, toughness, and latch length.

Lock Grades Explained - Understanding Lock Grades

What is the highest grade lock?

Optimal for commercial and residential use, Grade 1 is the strongest grade ANSI recognizes. The best grade equates it to the highest grade security. The doorknob tolerates a minimum of 800,000 cycles, 6 door strikes and 360-pound weight test to earn this rank.

How do I choose a deadbolt lock?

How to choose a good deadbolt lock
  1. Look for a lock with key control. A deadbolt lock with key control can help you control who is allowed to make copies of your keys. ...
  2. Seek out saw resistance. ...
  3. Hardened case steel is helpful. ...
  4. Don't forget the double cylinder. ...
  5. 10 Security Checks For Your Home.

What grade is Kwikset?

ANSI Grade 1 (Best) - Kwikset - Door Locks - Door Hardware - The Home Depot.

What is a Grade 3 deadbolt?

The BHMA/ANSI has three, separate grades for deadbolts, simply labeled grades 1 through 3. Grade 1 is the highest quality, and the most dependable deadbolt you can have. Grade 3 is your average deadbolt which will provide an accepted, but minimal, level of security.

What kind of door lock is most secure?

Deadbolt door locks are the most secure type of key lock and are usually used on a home's exterior door. Available in single- and double-cylinder styles, deadbolts are rated according to their strength from Grade 1 to Grade 3. A Grade 1 is the highest grade and provides the most security.

How are locks rated?

The rating issued by the American National Standards Institute (ANSI) can help you suss out the strongest door locks available. Locks are given a grade rating of 1, 2, or 3 based on a lock's durability and its potential to withstand attempted forced entry. Grade 1: This is the highest rating a lock can receive.

What locks are bump key proof?

Top 7 Bump Proof Lock Reviews
  • Schlage BE375 CAM 619 Electronic Deadbolt Lock. ...
  • Master Lock DSO0615 Bump-Proof Single Cylinder Deadbolt. ...
  • Lockey USA Digital M210 Mechanical Deadbolt Door Lock. ...
  • Mul-T-Lock ‎008J-MD1–D Cronus Single Cylinder Deadbolt. ...
  • The Lock Locker Bump-Proof Deadbolt Door Locker.

Is Schlage or Kwikset better?

Also in the non-forced entry category, there is no doubt Schlage is better. With a better, more precise manufacturing process and 2 additional security pins than the Kwikset deadbolt, Schlage locks are significantly harder to pick, bump or compromise in non-destructive ways.

What are the grades for door knobs?

BHMA is a group of industry experts who grade residential door hardware performance in the categories of Security, Durability and Finish. A grade of 'C' is good, 'B' is better, and 'A' is best. A grade of AAA is the best grade possible in all three categories.

What is a storeroom lock set?

Storeroom locks are used when the outside lever should be locked at all times. A key is used to retract the latchbolt and open the door; when the key is removed the door is locked on the outside. There is no means to lock/unlock the door from the inside.

What grade are emtek locks?

Features: Solid forged brass construction. Grade 1 BHMA rating ensures that you're getting the best security available.

Which lock brand is best?

The 7 Best Lock Brands
  • Schlage: The Brand that you Can Trust. ...
  • Kwikset: The Best Selling Lock Brand. ...
  • Baldwin: With Both Traditional and Contemporary Styles. ...
  • Corbin/Russwin: The Most Decent-Quality Lock Brand. ...
  • Yale: The Brand That Anyone Can Rely On! ...
  • Medeco: the Name That Itself Is Quality.

Are double key deadbolts illegal?

In the U.S., there is no single comprehensive law against dual-cylinder deadbolts. Individual cities and states have local property and fire codes that may prohibit the use of dual-cylinder deadbolts. The code may prohibit the use of dual-cylinder deadbolts in some buildings and allow them in others.

Is Kwikset 980 bump proof?

Kwikset 980 Single Cylinder Deadbolt

The Kwikset 980 has a top security rating and is resistant to lock picking, bumping, and drilling. The 980 is easy to install and fits most standard doors.

What is Kwikset Z Wave?

The Kwikset Signature Series deadbolt with Home Connect featuring Z-Wave™ protocol to enable true remote locking and unlocking. Homeowners can remotely access and control the lock from anywhere in the world, using a smartphone, tablet, or Internet-connected device.

What is ANSI Bhma Grade 3 security?

Grade 2 or Grade 3 products must also pass certain standards tests, but the requirements are less stringent. These products are generally used at a lesser frequency and in less abusive environments. The most significant difference between the ANSI/BHMA grades is the cycle test.

Which is better single or double cylinder deadbolt?

Generally, single-cylinder deadbolts are less secure than double-cylinder options. They could potentially allow easier access to the home from intruders in the know. Furthermore, they're easy for small children to use, which means they could get outside without anyone being aware.

What is the difference between a deadbolt and a deadlock?

Well, deadlocks and deadbolts are the same in that they both need a key to lock. However, while a deadlock can only be unlocked in deadlock mode with a key, deadbolts can be locked and unlocked with a key and have a metal lock that extends from the door into the wall.

Why would you want a double cylinder deadbolt?

The major benefit of double cylinder deadbolts is that they are designed to offer high security level. This makes doors that have them more difficult for intruders to pick or unlock. Double cylinder deadbolts are the safest choice for homeowners.

What does UL function mean?

UL is an acronym for Underwriters Laboratories Inc. which is an independent product safety certification organizations. UL develops standards by which they test door hardware to verify that it meets certain safety requirements during use, or in the event of a fire or other circumstances. Not all locks are UL listed.

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