Simplex 1031

Push Button Cipher Lock with Passage

Reviews (9) | Customer Questions (9)


Security made simple. The Kaba Simplex 1031 is a heavy-duty pushbutton lock designed to withstand high traffic and tough environments. No electronics, wires, or keys to worry about. Features passage mode for code free access during business hours.

SKU: 1031
Your Current Selections:
Your Current Selections:

Need assistance or have questions? Call our Cabinet Product Specialists at 877-439-5377 for more information and ordering assistance. We’re here to help!

Need assistance or have questions? Call our Commercial Product Specialists at 877-439-5377 for more information and ordering assistance. We’re here to help!

  • 100% Mechanical HEAVY DUTY push button lock
  • Fully bump and pick proof lock
  • Thousands of possible codes combinations
  • Auto-locking with passage feature (allows door to latch shut, but stay unlocked)
  • HEAVY DUTY Latch-bolt with deadlocking plunger
  • Covers existing standard ASA 161 door hole
  • Fits left and right swinging doors
  • All hardware and instructions included with order
  • Low maintenance, no batteries or wires
  • Fits nearly all hinged doors
  • Backset:  2 3/4″ included (2 3/8″ available at checkout)  How do I measure?
  • 3-year manufacturer warranty

GoKeyless™ is a factory trained and authorized Kaba Simplex® dealer. Sales, service, support, valid warranties. It's why thousands of clients around the world choose GoKeyless™ for their security and access control needs each year. Simplex 1031 - Combination Entry & Passage Tough-as-nails combination lock from the leader in top of the line security solutions, Kaba Ilco.  Kaba has been making high quality security products for over 100 years.  The Kaba Simplex 1000 Series is a stand-alone security lock that is highly weather resistant.  Entry is gained via a 1 to 5 digit code that is sequential.  Vandal resistant, the Simplex locks have found widespread acceptance in high-traffic commercial, institutional, and government buildings. Need this lock with a lever handle instead?  Click here
Exterior Dimensions

7 3/8 (H) x 3 1/8 (W) x 3 3/16 (D) in.

Inside Dimensions

9 (H) x 3 1/4 (W) in.


Weather Resistant

Code Length

1 to 5 Digits

Code Capacity


Door Thickness Minimum

1 3/8 in.

Door Thickness Maximum

2 1/4 in.

Door Handing


Door Prep

Standard 2 1/8 in. Cross-Bore, Edge Bore: 1 in., Through-Bolt Hole(s)

Door Stile Width

Minimum 4 in.


2 3/4 in.




Kaba Simplex

Lock Features

Passage Mode

Handle Type


Door Opening


Locking Device

Cylindrical Latch

Access Type

Keypad – Digits


Cast front housing, unified trim plate, Cast knob

Fire Rating

3-hour UL/ULC fire rating for A labeled doors


7.25 lbs


3 Year Manufacturer


Single Factor

Share your thoughts!

4.78 out of 5 stars

9 reviews

Let us know what you think...

2 reviews with a 4-star rating

  1. Jim, EIU of California

    This was our third purchase with The service has always been outstanding and they delivered as promised and on schedule. It was a pleasure to do business with them.

    (0) (0)

    Something wrong with this post? Thanks for letting us know. If you can point us in the right direction...

  2. Len from Pennsylvania

    Works as designed. Product arrived quickly and in great shape.

    (0) (0)

    Something wrong with this post? Thanks for letting us know. If you can point us in the right direction...




Creating an account will allow you to easily place repeat orders, track them, and get first access to promotions and discounts!

Your privacy — along with your trust in our products and service — is very important to us. Rest assured GoKeyless RESPECTS your privacy. privacy policy

Continue as a Guest

Don't have an account? Sign Up

Customer Questions & Answers

  1. Q Can you set the 1031 to have its bolt retracted? answer now
    Asked by Craig on February 13, 2022 7:57 PM

    The lock can be set to open without a code but the handle will still need to be rotated to open the door. 

  2. Q How do you engage the passage feature? answer now
    Asked by Paul Como on February 3, 2022 12:44 PM

    To activate the passage function on this model:

    1. Enter the existing combination.
    2. Turn the outside knob clockwise to the stop position and hold it in this position.
    3. Keeping the outside knob in its turned position, rotate the passage turn knob or keyed lock to the right clockwise to the horizontal position.
    4. Release the outside knob. The passage function is now activated, so the door can be opened without entering a combination.

  3. Q Can I change the circle knob to one with a handle? answer now
    Asked by Nancy Barnett on January 3, 2022 8:30 PM

    You cannot change this to a lever. You would need to purchase the L1031 instead. 

  4. A

    For the privacy lockout feature, you will need the Simplex 1076 model. 

  5. A

    This lock can be programmed with thousands of different combinations. However, only one code can be set at a time. 

    For instructions on changing the combination, please follow the steps in the link below!

    1000 series code change


  6. A

    Yes, to gain access you will need to enter the valid access code and rotate the knob below the keypad to open the door.

  7. Q How do you take the knob off? answer now
    Asked by Gerardo Ortiz on October 19, 2020 6:20 PM

    To remove the knob, you will want to use the pointed end of the included spanner wrench to depress the spring loaded retaining clip, visible through the poke hole on the base of the knob.

  8. Q Is this lock GSA approved? answer now
    Asked by Sean on March 23, 2017 6:51 PM
    Yes, you can purchase this on your GSA Advantage website or get a quote through our GSA representative. Please email  [email protected]
  9. A

    It absolutely does. This lock is non-handed, you can install on doors opening to the left or right. 

Send me a notification for each new answer.