Simplex 1031

Push Button Cipher Lock with Passage

Reviews (9) | Customer Questions (4)


SKU: 1031
Your Current Selections:
Your Current Selections:
  • 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 ¾




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

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4.78 out of 5 stars

9 reviews

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Customer Questions & Answers

  1. Answered by the admin

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

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

    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.

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

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

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