Cal-Royal SLD238 UL Square Cor...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$19.16
Cal-Royal Cal-Royal SL Design UL Deadlatch, 2-3/8" Backset SLD238

Cal-Royal SLD238 UL Square Corner Deadlatch for SL and XP Series Locksets, 2-3/8" Backset

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Model: SLD238-26D
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Cal-Royal SLD238 UL Square Corner Deadlatch for SL and XP Series Locksets, 2-3/8" Backset

The Cal-Royal SLD238 is a UL-listed square corner deadlatch engineered specifically for use with Cal-Royal SL and XP Series locksets, featuring a precise 2-3/8" backset and a 2-1/4" x 1" front size for accurate, reliable fit in commercial door preparations. Built for commercial applications, this deadlatch mechanism integrates seamlessly with a wide range of SL/XP lockset functions, ensuring proper latching performance and long-term durability in high-traffic environments. Designed as a direct-fit replacement or accessory component, it maintains the security integrity required for entry, storeroom, classroom, communicating, institution, and exit lockset configurations.

Key Features

  • Backset Specification: Precise 2-3/8" backset for accurate alignment with standard commercial door preparations.
  • Front Size: 2-1/4" x 1" square corner front plate for a clean, finished installation.
  • Square Corner Design: Square corner configuration matches standard commercial door mortise preparations for straightforward installation.
  • Broad Lockset Compatibility: Compatible with Cal-Royal SL00/XP00 Entry, SL01/XP01 Entry, SL05/XP05 Storeroom, SL03/XP03 Classroom, SL04/XP04 Communicating, SL09 Institution, and SL50/XP50 Exit locksets for versatile application across multiple door hardware functions.
  • UL Listed Construction: UL-listed deadlatch mechanism supports compliance requirements in commercial and institutional installations.
  • Commercial-Grade Application: Purpose-built as a parts and accessories component within the Latches product subgroup for dependable performance in commercial door hardware systems.

Certifications & Compliance

  • UL Listed

Technical Specifications

  • Subcategory: Commercial Locks Accessories
  • Product Group: Parts and Accessories
  • Product Subgroup: Latches
  • Product Type: Parts and Accessories
  • Commercial/Residential: Commercial
  • Front Size: 2-1/4" x 1"
  • Product Category: Parts and Accessories
  • Backset (Distance): 2-3/8 Inch, 1 x 2-1/4 Inch, Square Corner
  • Department: Door Hardware

Typical Applications

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

Why Cal-Royal SLD238?

Cal-Royal deadlatch components are built to precise specifications, ensuring the SLD238 delivers proper fit and function across the full SL and XP Series lockset lineup. With UL-listed construction and a square corner design matched to standard commercial door preparations, this deadlatch supports reliable, code-conscious performance in demanding commercial door hardware installations.

Product Specs

Subcategory:
Commercial Locks Accessories
Product Group:
Parts and Accessories
Product Subgroup:
Latches
Product Type:
Parts and Accessories
Commercial/Residential:
Commercial
Front Size:
2-1/4" x 1"
Product Model:
SLD238
Product Category:
Parts and Accessories
Backset (Distance):
2-3/8 Inch, 1 x 2-1/4 Inch, Square Corner
Department:
Door Hardware

Cal-Royal SLD238-26D – Frequently Asked Questions

1) Will the Cal-Royal SLD238 deadlatch work with my SL Series lockset?
The SLD238 is built for the Cal-Royal SL and XP Series locksets, and it covers the function range: SL00/XP00 and SL01/XP01 entry, SL05/XP05 storeroom, SL03/XP03 classroom, SL04/XP04 communicating, SL09 institution, and SL50/XP50 exit. If your lockset carries one of those designations, this is the latch that belongs in it. It is not a universal deadlatch, so a cylindrical lock from another manufacturer is not what this is made for.
2) Does the SLD238 deadlatch fit a 2-3/8 inch backset door prep?
Yes, the SLD238 is a 2-3/8 inch backset latch, which is the shorter of the two standard cylindrical backsets and the one usually bored on residential-width and narrower commercial doors. If the existing prep measures 2-3/4 inches from the door edge to the center of the bore, this latch will not reach the lock chassis and you need the 2-3/4 inch version instead.
3) What size mortise does the Cal-Royal SLD238 latch front need in the door edge?
The front plate measures 2-1/4 by 1 inch with square corners, so the door edge has to be mortised to that footprint with sharp corners rather than radiused. Most factory-prepped commercial doors are cut square, so this drops straight in. If your existing latch front has rounded corners, the square front will leave gaps at the corners of the mortise and you want a drive-in or radius-corner latch instead.
4) Can I replace just the latch on a Cal-Royal SL lockset instead of buying a whole new lock?
Yes. The SLD238 is sold as a direct-fit replacement latch for the SL and XP Series, so a seized or worn latch on an entry, storeroom, classroom, communicating, institution, or exit lockset can be swapped without replacing the chassis, trim, or cylinder. Confirm the door is bored at 2-3/8 inches and the edge mortise is 2-1/4 by 1 inch with square corners, and the new latch goes in with the same screws.
5) The Cal-Royal SLD238 is a keyed deadlatch for SL and XP Series locksets - what latch is used instead on a door that only needs to stay closed, with no keyed function?
The SLD238 is a UL square corner deadlatch with a 2-3/8 inch backset and a 2-1/4 inch by 1 inch front, made to work with Cal-Royal SL and XP Series locksets in entry, storeroom, classroom, communicating, institution and exit configurations. On an opening that only needs the door held shut - a closet, a utility door, a pair of doors with no lock function - a roller latch is the different approach. The ABH 1890 Series roller latch comes with a full lip cast strike and a 5/16 inch adjustable projection, and the ABH 1895 Series roller latch comes with a T strike and a 1/2 inch adjustable projection. A roller latch rolls out of the strike when the door is pushed; the SLD238 latches into a lockset that controls the door with a key or lever function.
6) Can a GMS interchangeable core be ordered in place of a Cal-Royal SLD238 to fix a lockset that will not latch?
No - those parts sit on opposite ends of the lock. The GMS IC6-26D is a 6-pin small format interchangeable core and the GMS IC7-26D is a 7-pin small format interchangeable core, both supplied un-combinated without keys, pins, springs or caps; the GMS ICM7-ST is a 7-pin Best SFIC straight mortise housing with a Yale cam. Those change what key turns the lock. The Cal-Royal SLD238 is the deadlatch itself, with a 2-3/8 inch backset and a 2-1/4 inch by 1 inch square corner front, and it is what engages the strike. A door that turns freely but will not stay latched is a latch question, not a keying one.
7) What is a deadlatch and why do I need one instead of a plain spring latch?
A deadlatch carries a small auxiliary plunger alongside the main latchbolt. When the door closes and the plunger rides up against the strike, it blocks the latchbolt from being pushed back, so the latch cannot be shimmed or carded open. That is why it is the required latch on entry, storeroom, and exit functions rather than a passage spring latch. The SLD238 covers entry, storeroom, classroom, communicating, institution, and exit functions across the Cal-Royal SL and XP lines.
8) Does the Cal-Royal SLD238 deadlatch need to be handed?
No handing to specify. The latchbolt on a cylindrical deadlatch of this type is reversible in the field, so one part covers left and right hand openings. What does have to match is the backset, at 2-3/8 inches, and the square corner 2-1/4 by 1 inch front.
9) Is a roller latch the same thing as the SLD238 deadlatch?
No, and they do different jobs. The SLD238 is a deadlatching latchbolt for a keyed SL or XP lockset, so it secures the opening. A roller latch such as the ABH 1890 Series, which comes with a full lip cast strike and 5/16 inch adjustable projection, or the ABH 1895 Series with a T strike and 1/2 inch adjustable projection, just holds a door closed against a strike with spring tension and offers no security. Roller latches are for closet and cabinet doors or doors held by a closer; they are not a substitute where a lockset is involved.
10) Can I standardize the SLD238 deadlatch across a school or healthcare facility with mixed lock functions?
Yes, and that is the practical reason to stock it. One part number covers the latch for entry, storeroom, classroom, communicating, institution, and exit functions across both the SL and XP Series, so a facility running mixed functions on the same doors carries a single 2-3/8 inch latch on the shelf rather than one per function. It is specified for commercial use, and it is UL listed.
11) Which of the two ABH roller latches gives more projection adjustment if a roller latch is the right call instead of a Cal-Royal deadlatch?
The ABH 1890 Series roller latch has a 5/16 inch adjustable projection and ships with a full lip cast strike. The ABH 1895 Series roller latch has a 1/2 inch adjustable projection and ships with a T strike. The larger adjustment range suits an opening where the gap between door and frame varies or the door has settled; the full lip cast strike wraps the frame edge where the jamb face needs protection. Neither takes the place of a Cal-Royal SLD238 deadlatch, which is the latch unit inside an SL or XP Series lockset and carries a UL listing.
12) The Codelocks CL4000-RSB and the Securitron AOS both come up when searching commercial latch parts - do either replace a Cal-Royal SLD238 deadlatch?
Neither one does; both mount on the frame side of the opening rather than in the door. The Codelocks CL4000-RSB is a glass door strike box for use with CL4000 or CL4500 glass door locks, and the Securitron AOS is a set of armature offset strikes. Those are what a latch or an armature meets. The Cal-Royal SLD238 is the deadlatch that goes into the door itself, with a 2-3/8 inch backset and a 2-1/4 inch by 1 inch square corner front sized to standard commercial door preparation, working with Cal-Royal SL and XP Series locksets.
13) For a healthcare or education opening where the door is held open electrically and also has to latch, what handles each job alongside a Cal-Royal SLD238?
Two separate parts do two separate jobs. The Cal-Royal SLD238 is the UL-listed deadlatch inside the Cal-Royal SL or XP Series lockset, with a 2-3/8 inch backset and a 2-1/4 inch by 1 inch square corner front, and it is what secures the door once it closes across entry, storeroom, classroom, communicating, institution and exit functions. The electric hold-open side is separate hardware: the ABH 20020 is a standard door armature head assembly with a 1-5/8 inch projection, and the Securitron AOS armature offset strikes address armature mounting. Ordering armature hardware does not cover the latch, and ordering the deadlatch does not cover the hold-open.
14) What finishes does the Cal-Royal SLD238 deadlatch come in?
Three finishes: US3 bright brass, US15 satin nickel, and US26D satin chrome. Match the latch front to the lockset trim it is going into, since the front plate is the only part of the latch that shows once the door is hung. US26D is the usual choice on commercial openings where the rest of the hardware is satin chrome or brushed.
How fast can I get the Cal-Royal SLD238-26D 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 Cal-Royal SLD238-26D come with a warranty?
Absolutely. The Cal-Royal SLD238-26D 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 Cal-Royal SLD238-26D?
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
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