Kaba Ilco DCJL Double Cylinder...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$27.59
$25.77
Kaba Ilco Kaba Ilco Double Cylinder Jimmyproof Locks ILC-DCJL

Kaba Ilco DCJL Double Cylinder Jimmyproof Lock with 2-1/2" Backset and KW1 Keyway

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Model: 535-53-41

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

$27.59
$25.77
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Kaba Ilco DCJL Double Cylinder Jimmyproof Lock with 2-1/2" Backset and KW1 Keyway

The Kaba Ilco DCJL Double Cylinder Jimmyproof Lock is a rugged auxiliary lock that uses vertical gate locking action to drive two bolts into a strike plate for added door security. Built for commercial applications, this keyed double cylinder lock features a 2-1/2" (64mm) backset, a 1-1/4" (30mm) crossbore, and fits doors ranging from 1-1/4" to 2-1/4" (30mm to 55mm) thick. The lock ships with a standard KW1 keyway, with an SC1 keyway also available for alternate key systems.

Key Features

  • Backset: 2-1/2" (64mm) for compatibility with standard door preparation.
  • Crossbore: 1-1/4" (30mm) crossbore matches common installation templates.
  • Door Thickness Range: Fits doors from 1-1/4" to 2-1/4" (30mm to 55mm) for broad application coverage.
  • Keyway: Standard KW1 keyway, with SC1 keyway also available for alternate key systems.
  • Vertical Gate Locking Action: Rugged jimmyproof design locks two bolts into a strike plate for added resistance to forced entry.
  • Double Cylinder Operation: Keyed design suited for commercial door trim and accessory applications.

Technical Specifications

  • Product Group: Door Trim and Accessories
  • Product Subgroup: Auxiliary and Rim Locks
  • Product Type: Jimmy Proof Locks
  • Subcategory: Latches & Catches
  • Commercial/Residential: Commercial
  • Keyed: Yes
  • Product Category: Door Trim and Accessories

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Kaba Ilco DCJL?

Kaba Ilco DCJL double cylinder jimmyproof locks deliver a rugged vertical gate locking mechanism built for demanding commercial door applications. With a 2-1/2" backset, 1-1/4" crossbore, and support for door thicknesses from 1-1/4" to 2-1/4", this keyed lock is engineered to fit a wide range of commercial door trim and accessory installations where dependable, forced-entry resistant performance is essential.

Product Specs

Product Group:
Door Trim and Accessories
Product Subgroup:
Auxiliary and Rim Locks
Product Type:
Jimmy Proof Locks
Subcategory:
Latches & Catches
Keyed Function:
Double Cylinder
Commercial/Residential:
Commercial
Keyed:
Yes
Lock Function:
Double Cylinder
Product Function:
Double Cylinder
Product Category:
Door Trim and Accessories
Department:
Door Hardware

Kaba Ilco 535-53-41 – Frequently Asked Questions

1) Will a Kaba Ilco double cylinder jimmyproof lock fit a 1-3/8 inch apartment door?
Yes. The Ilco double cylinder jimmyproof lock covers doors from 1-1/4 to 2-1/4 inches thick, so 1-3/8 inch interior doors and 1-3/4 inch entry doors are both inside the range. That range is wide enough to cover most of a mixed apartment stock without ordering a different lock per door thickness.
2) What hole size and backset do I need to drill for an Ilco jimmyproof lock?
Prep is a 1-1/4 inch (30mm) crossbore at a 2-1/2 inch (64mm) backset. That backset is deeper than the 2-3/8 and 2-3/4 inch backsets used for bored locksets, so a jimmyproof cylinder hole is its own prep, not something you reuse from an existing knob or deadbolt bore.
3) Does a double cylinder jimmyproof lock need a key to get out from the inside?
Yes, and that is the point of the double cylinder function: there is a keyed cylinder on both faces, so the lock cannot be thrown or released from inside without a key. That kills the risk of someone reaching through broken glass or a mail slot to turn a thumbturn, which is why it goes on glass-panel and sidelight-adjacent doors. It also means anyone inside is locked in without a key, so check your local egress code for the occupancy before specifying it on a required exit.
4) Can I key an Ilco jimmyproof lock to my existing Kwikset or Schlage keys?
Both major residential keyways are covered. Standard supply is KW1, which is the Kwikset keyway, and an SC1 (Schlage) version is offered as its own order option. Pick the keyway that matches the keys already in the building and the lock drops into an existing key system rather than adding a second key to the ring.
5) How does a jimmyproof lock hold a door compared with a regular deadbolt?
Instead of throwing one horizontal bolt into the frame, the jimmyproof uses a vertical gate action: two bolts drop through interlocking rings on the strike plate. Because the bolts sit inside the strike rather than beside it, spreading or prying the frame does not pull the bolt clear the way it can with a conventional deadbolt. It surface mounts on the inside face of the door, so it adds security to an existing door without a new deadbolt bore.
6) What quantities do Ilco double cylinder jimmyproof locks come in?
They ship in multi-packs, not singles. KW1 comes as a 5-piece box pack or a 5-piece clam shell pack, and the SC1 keyway version comes as a 10-piece box pack. If you are standardizing a building or stocking a truck that works fine; if you need one lock for one door, you are still buying the pack.
7) Does a jimmyproof lock have handing, and does it work on an outswing door?
Handing is not a factor. The lock body mounts to the inside face of the door and the strike mounts to the jamb, and the bolts engage vertically through the strike rings, so the same lock works left or right hand. It is an inswing-door lock by nature, though: the strike must sit on the frame face on the same side as the lock body, which an outswing door does not give you.
8) Is the Ilco jimmyproof lock rated for commercial use?
It is a commercial-grade item, and the usual place it lands is apartment entry doors, small storefronts, and back-of-house doors in multi-family buildings where a landlord wants pry resistance added to an existing door. The 1-1/4 to 2-1/4 inch thickness range covers the door stock in most of those buildings.
How fast can I get the Kaba Ilco 535-53-41 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 Kaba Ilco 535-53-41 come with a warranty?
Absolutely. The Kaba Ilco 535-53-41 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 Kaba Ilco 535-53-41?
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 Kaba Ilco 535-53-41 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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