Lockey EXT-KIT
Extension Kit
$23.75
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!
- Required kit for mounting your new Lockey keyless door lock on a door that is greater than 2 11/64″ thick
- Maximum door thickness is 3″ when ordering lock with “key override,” 5″ thick max for locks without key override
- Order one extension kit per door
- Kit parts may vary based on lock model

Brand | Lockey |
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Manufacturer | Lockey |
Model | 1000 Series locks, 2830/2835/3830/3835 Series locks, C/M/2000/3000 Series locks |
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Customer Questions & Answers
- Q What would I choose for a metal shop front door (about 2.5 inches thick)? answer nowAsked by June 28, 2023 6:03 PMonA
The model of kit you would order is dependent on what model of Lockey you currently have or plan on purchasing. If you have questions or are unsure, please call us at 937-247-9327 and our experts will help you order the correct kit!
- Q What extension do I get for 4” thickness and C-120 lock? answer nowAsked by December 27, 2022 2:46 PMonA
When ordering this extension kit from the website, you must select the model option "C/M/2000/3000 Series". If you are still unsure about your current setup, please contact us at 937-247-9327 and our team will help you find exactly what you need for your application!
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Yes, you will want to select the option for C/M/2000/3000 Series locks.
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You will want to select the option for C/M/2000/3000 Series locks.
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You will need the extension kit for the Lockey C/M/2000/3000 series.
- Q I am ordering the Lockey 2500. What extension kit works for it? answer nowAsked by February 25, 2022 8:46 AMonA
Select C/M/2000/3000 Series locks for the Lockey 2500 model.
- Q What is your return policy? Can I return an item if it does not work for me? answer nowAsked by February 15, 2022 2:20 AMonA
Here is a page about our return policy https://www.gokeyless.com/returns/
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For the M210 model, you will need the EXT-KIT 2000 version. On the dropdown menu, this is the one labeled 'C/M/2000/3000 Series Locks'.
- Q How long is the spindle that comes included in this Kit? answer nowAsked by June 30, 2021 11:45 AMonA
The spindle in this kit is roughly 5 1/8 inches long.
- Q I am ordering an m220 digital lock for a double doors 2-1/2” thick. I need an extension spindle, ... answer nowAsked by June 21, 2021 10:06 PMonA
You will need the EXT-KIT 2000 for the M220. In the dropdown menu, select the option for C/M/2000/3000 series locks.
Lev (verified owner) –
I have a 4″ door for an outdoor sauna, and this works perfect. the extension kit is simple and smart
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David (verified owner) –
The door to our garage is a little thick so we needed this extension kit to get the lock installed correctly. Worked well!
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Jon Wang (verified owner) –
Even though after receiving the kit and the lock installation was fairly intuitive – online instructions would have been helpful in planning ahead. I did now know I needed to saw the metal length down and also would have liked specifics on recommended measuring techniques and insert depths in the lock fixtures themselves.
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JJJ (verified owner) –
Not sure how others got it to work. It didn’t fit at all. The screws were too big. And it wasn’t even worth returning because I would have had to pay shipping.
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Larry Long (verified owner) –
The gate I wanted to install the lock on is over 4″ thick so I got this extender kit which solved the problem perfectly!
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Danny (verified owner) –
I figured out that not all the male/female threads weren’t interchangeable. Poor instructions, but it’s not rocket science.
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Ray (verified owner) –
extension kit does not include a brass support pin.
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Patrick (verified owner) –
This extension kit works great.
Awesome and personalized customer service experience.
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HS (verified owner) –
Excellent lock. Surface mount made it easy to install on backyard gate. Since I expect gate to sag over time, adjusting the lock will be easy. Changing the code was fast as well. Very pleased with the lock
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Frankii Zhu (verified owner) –
don’t fit hex screw unless you are a genius to figure it out yourself. No direction whatsoever how to make it work. It’s a not necessary kit if lock provide 2 pieces of long screws that fit up to 3” door instead of just 1.
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