Lockey EXTKIT Extension Kit fo...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$39.95
$29.50
Lockey Lockey Extension Kit, Thick Door Kit for Lockey Locks EXTKIT

Lockey EXTKIT Extension Kit for Thick Doors up to 5"

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Model: EXTKIT20003000

In Stock (leaves warehouse same day if ordered before 3pm ET)

$39.95
$29.50
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Lockey Extension Kit (EXTKIT) — Thick Door Installation for Lockey Mechanical Locks

The Lockey EXTKIT Extension Kit allows installation of Lockey mechanical push-button locks on doors and gates up to 5" thick. Select the correct variant for your lock series at checkout — each kit is engineered specifically for its series and is not interchangeable.

Compatibility by Variant

  • 1000 Series — EXTKIT-1000: for Lockey 1000 Series push-button locks
  • C / M / 2000 / 3000 Series — EXTKIT20003000: for C Series, M Series, 2000 Series, and 3000 Series locks
  • 2830 / 2835 / 3830 / 3835 Series — EXTKIT2835ADJUST: for 2830, 2835, 3830, and 3835 Series locks
  • Key Override — EXTKIT-KEYOVERRIDE: extension kit for Lockey locks equipped with a key override cylinder

Key Features

  • Extends lock spindle and hardware to accommodate doors and gates up to 5" thick
  • Four variants cover the full range of Lockey mechanical push-button lock series
  • Dedicated Key Override variant for locks with key bypass functionality
  • Commercial-grade construction built to Lockey's manufacturing standards
  • Provides all components required for a complete thick-door installation

Typical Applications

  • Thick commercial doors and hollow-metal frames
  • Wooden gates and perimeter access points
  • Industrial facility entry doors with oversized stiles
  • Multi-family and commercial properties upgrading to keyless mechanical access

Not sure which variant fits your lock? Match your Lockey lock model number to the series list above, or contact ZenSupply — we'll confirm the right kit before you order.

Manufacturer Resources

Lockey USA Lock Catalog

Product Specs

Product Group:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Extension Kits
Subcategory:
Push Button Lock Accessories
Commercial/Residential:
Commercial
Product Category:
Parts and Accessories
Department:
Door Hardware

Lockey EXTKIT20003000 – Frequently Asked Questions

How fast can I get the Lockey EXTKIT20003000 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Lockey EXTKIT20003000 come with a warranty?
Absolutely. The Lockey EXTKIT20003000 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Lockey EXTKIT20003000?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Lockey EXTKIT20003000 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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