Cal-Royal SL03 Classroom Grade...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$105.73
$89.52
Cal-Royal Cal-Royal SL03 Classroom Grade 2 Lever Lock, Pioneer SL Series SL03

Cal-Royal SL03 Classroom Grade 2 Cylindrical Lever Lock, Pioneer SL Series

(No reviews yet) Write a Review

Model: SL03-26D
Selected Finish is

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

$105.73
$89.52
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Cal-Royal SL03 Classroom Grade 2 Cylindrical Lever Lock, Pioneer SL Series

The Cal-Royal SL03 is an ANSI Grade 2 cylindrical leverset from the Pioneer SL/CSL Series, engineered for classroom function (ANSI F84) applications. This non-clutch mechanism features a deadlocking latch bolt operated by lever from either side, except when the outside lever is locked from outside by key — the inside lever remains always free for safe egress. Fits doors from 1-3/8" to 1-3/4" thickness, with a solid brass 1/2" throw latchbolt that is UL listed and reversible for RH or LH applications. Conforms with ANSI/BHMA A156.2, Series 4000, Grade 2 requirements and exceeds 400,000 cycles of durability testing.

Key Features

  • Door Thickness Range: Accommodates 1-3/8" to 1-3/4" thickness doors for standard commercial applications.
  • Backset Options: 2-3/4" standard backset, with 2-3/8", 3-3/4", and 5" available as optional configurations.
  • Heavy-Duty Durability: Conforms with ANSI/BHMA A156.2, Series 4000, Grade 2 requirements and exceeds 400,000 cycles for long-term reliability in high-traffic applications.
  • Solid Brass Latchbolt: 1/2" throw solid brass latchbolt, UL listed and reversible for RH or LH door applications.
  • Adjustable Front Plate: 2-1/4" x 1-1/8" front, adjustable for flat or beveled doors 1/8" in 2".
  • Individual Lever Springs: Independent spring on each side prevents lever sag, maintaining reliability and reducing maintenance over time.
  • Classroom Function Keying: 6-pin "C" keyway cylinder with 2 keys per lock; outside lever locks by key while inside lever stays always free. Control key and masterkey keying available.
  • Durable Construction: Wrought brass, bronze, or stainless steel body with zinc casting levers plated to match trim finish.
  • Flexible Installation: Optional thru-bolt installation and reversible latchbolt design simplify field installation for RH or LH doors.

Certifications & Compliance

  • ANSI/BHMA A156.2, Series 4000, Grade 2
  • Exceeds 400,000 Cycles
  • UL Listed Latchbolt
  • Meets ADA Requirements for Barrier-Free Applications

Technical Specifications

  • Subcategory: Cylindrical Leversets
  • Product Group: Mechanical Locks
  • Latch Faceplate: 2-1/4" x 1-1/8", adjustable for flat or beveled doors 1/8" in 2", for 2-3/4" backset. Optional 2-1/4" x 1" for 2-3/8" backset
  • Keyed Function: Single Cylinder
  • Product Subgroup: Bored Locksets
  • Product Type: Leversets
  • Keyed: Yes
  • Commercial/Residential: Commercial
  • Product Attribute: Cylindrical Locks
  • Door Strike: SA Strike standard, "T" and full lip Strike available on request.
  • Product Category: Mechanical Locks
  • Product Substrate: Wrought Brass, Bronze or Stainless Steel, levers are Zinc casting, plated to match trim finish.
  • 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 SL03?

Cal-Royal Pioneer SL Series leversets deliver professional-grade reliability with solid brass, UL listed latchbolts and construction that exceeds 400,000 test cycles under ANSI/BHMA A156.2 Grade 2 standards. Individual lever springs and reversible hardware design make the SL03 a dependable choice for classroom doors in demanding commercial and educational environments.

Product Specs

Subcategory:
Cylindrical Leversets
Product Group:
Mechanical Locks
Latch Faceplate:
2-1/4" x 1-1/8", adjustable for flat or beveled doors 1/8" in 2", for 2-3/4" backset. Optional 2-1/4" x 1" for 2-3/8" backset
Keyed Function:
Single Cylinder
Grade:
Grade 2
Product Subgroup:
Bored Locksets
Product Type:
Leversets
Keyed:
Yes
Latch Throw:
1/2"
Commercial/Residential:
Commercial
Handle Type:
Lever
Lock Function:
Classroom
Product Attribute:
Cylindrical Locks
Product Model:
SL03
Product Function:
Classroom
Door Thickness Range:
1-3/8" to 1-3/4"
Door Strike:
SA Strike standard, "T" and full lip Strike available on request."
Product Category:
Mechanical Locks
Product Substrate:
Wrought Brass, Bronze or Stainless Steel, levers are Zinc casting, plated to match trim finish.
Department:
Door Hardware

Cal-Royal SL03-26D – Frequently Asked Questions

1) What backset do I need to order with the Cal-Royal SL03, and will it hit my existing door prep?
Order it as either 2-3/4 inch (the standard) or 2-3/8 inch, and you must pick one; the Pioneer SL series also lists 3-3/4 inch and 5 inch as optional backsets. Measure from the door edge to the center of the bore hole on the door you are retrofitting: 2-3/8 and 2-3/4 are the two backsets you will find on almost every existing prep. The latch front changes with the backset too, 2-1/4 x 1-1/8 inches on the 2-3/4 inch backset and an optional 2-1/4 x 1 inch front for the 2-3/8 inch backset, so match the faceplate to the mortise already cut in the door edge.
2) Do I have to specify handing for the Cal-Royal SL03 lever?
No handing to specify. The latchbolt is reversible in the field for right hand or left hand doors, so one lock covers either swing. That is what lets a property manager stock a single part number for a building with doors swinging both ways.
3) Will the Cal-Royal SL03 latch into the strike that is already in my frame?
The latchbolt throws 1/2 inch, which is normal for a cylindrical bored lock, so it will engage a standard ANSI strike already in the frame as long as the strike lip and backset line up. An SA strike ships as standard with the lock, and a T strike or a full lip strike can be requested instead, which matters on a wood frame or where the door is set back and you need more lip to guide the bolt.
4) Is the Cal-Royal SL03 lever lock rated for a school corridor or other high traffic door?
It conforms to ANSI/BHMA A156.2, Series 4000, Grade 2 and exceeds 400,000 cycles of durability testing. The latchbolt is solid brass and UL listed, and each lever carries its own independent spring so the lever does not sag over time, which is the usual failure on a heavily used corridor leverset. It also meets ADA requirements for barrier-free openings, which is why the lever, not a knob, is what goes on a classroom door.
5) Classroom function or classroom security function, which lock do I need?
Classroom function, which is what the SL03 is, locks the outside lever with a key from the corridor side only. If your district requires a teacher to lock the door from inside the room without stepping into the hallway, you need classroom security function instead, which has a second cylinder on the inside. The Dexter C1000 Series is offered in both, a Grade 1 classroom lever and a Grade 1 classroom security lever, both fitting 1-3/8 inch to 1-3/4 inch doors, if the lockdown-from-inside requirement applies to your building.
6) What is the closest classroom function lever lock to the Cal-Royal SL03 if a Grade 1 lock is required?
The Dexter C1000 Series classroom cylindrical lever lock is a Grade 1 classroom function leverset that fits doors 1-3/8 inch to 1-3/4 inch, the same door thickness range the Cal-Royal SL03 covers. The Dexter uses a clutching lever mechanism, while the SL03 is a non-clutch design. Both are keyed classroom locks, so the opening prep and the function behavior at the door are the same: key locks the outside lever, inside lever stays free for egress. Specify the Dexter C1000 classroom when the spec sheet calls for ANSI Grade 1; the SL03 conforms with ANSI/BHMA A156.2 Series 4000 Grade 2.
7) Which lever lock should I use instead of the Cal-Royal SL03 on a classroom door that needs to be locked and unlocked from inside the room?
The Dexter C1000 Series classroom security lever lock is a Grade 1 keyed classroom security function leverset for doors 1-3/8 inch to 1-3/4 inch. Classroom security is the function to specify when the room side needs key control of the outside lever. The Cal-Royal SL03 is standard classroom function, ANSI F84, where the outside lever is locked by key from the outside only and the inside lever is always free.
8) What Grade 2 lever lock covers a storeroom door when the Cal-Royal SL03 classroom function is not the right function?
The Hager 2580 with Withnell lever is a Grade 2 storeroom function cylindrical lock for doors 1-3/8 inch to 2 inch. Storeroom function keeps the outside lever locked at all times with the key retracting the latch, while the Cal-Royal SL03 is classroom function, where the key locks and unlocks the outside lever and it stays as set. For office and entry openings in the same Grade 2 family, the Hager 2525 entry lock and the Falcon B511CP6D entrance/office lever lock both cover that function.
9) Will a Grade 1 passage lever like the Falcon K101 or Corbin Russwin CL3110 work in place of the Cal-Royal SL03?
No. The Falcon K101 is a Grade 1 heavy duty passage lock and the Corbin Russwin CL3110 from the CL3100 Series is a Grade 1 vandal resistant passage/closet lock, and neither is keyed. Passage function levers turn freely from both sides at all times, so they cannot secure a classroom door. The Cal-Royal SL03 is a keyed classroom lock where the outside lever locks by key. If the requirement is Grade 1 and keyed classroom, the Dexter C1000 classroom lever lock is the function match.
10) I need a lock for a utility or institutional room, not a classroom - what takes the place of the Cal-Royal SL03 there?
Asylum or institution function is the one to specify: the outside lever stays locked and the inside lever is also key controlled. The Dexter C1000 Series asylum lock is a Grade 1 asylum function cylindrical lock for doors 1-3/8 inch to 2 inch, and the Arrow MK33-BD-CS is a Grade 2 heavy duty asylum function lock with a ball knob on a Schlage C keyway. The Cal-Royal SL03 leaves the inside lever always free for safe egress, which is required on a classroom door but is the opposite of what an asylum function opening calls for.
11) Which commercial lever lock fits a 2 inch thick door if the Cal-Royal SL03 does not?
The Cal-Royal SL03 accommodates doors 1-3/8 inch to 1-3/4 inch. For a thicker leaf, the Hager 2525 Grade 2 entry lock and Hager 2510 Grade 2 passage lock both cover 1-3/8 inch to 2 inch, the Hager 2580 storeroom lock covers the same range, and the Falcon K101 Grade 1 passage lock covers 1-3/8 inch to 2-1/4 inch. Match the function to the opening first, then the thickness.
12) Can the Cal-Royal SL03 be masterkeyed into an existing school key system?
The SL03 is a single cylinder keyed lock with a 6-pin C keyway and ships with 2 keys per lock. Masterkeying and control key options are available, so it can be brought into a building master system rather than keyed as a standalone. Bring the keyway and the key system chart to your locksmith when you order.
13) What finishes does the Cal-Royal SL03 come in, and will the levers match my other door hardware?
Eight finishes: US1 black, US3 polished brass, US4 satin brass, US5 antique brass, US10 satin bronze, US15 satin nickel, US26 polished chrome, and US26D satin chrome. The lock body is wrought brass, bronze or stainless steel, and the levers are zinc castings plated to match the trim finish, so the lever and rose read as one finish across the opening. US26D satin chrome is the usual pick when you are matching existing commercial hardware in a school or office.
14) Is a Grade 2 lever lock enough for a classroom door, or should I go Grade 1?
Grade 2 at 400,000-plus cycles handles classroom and office doors in most schools and commercial buildings. Where the specification on the drawing calls out Grade 1, or the opening is an abused entry or vandal-prone corridor, step up: the Dexter C1000 Series classroom lever is Grade 1 and fits the same 1-3/8 inch to 1-3/4 inch door range, and the Corbin Russwin CL3100 Series is a Grade 1 vandal resistant cylindrical lever, though that one takes 1-3/4 inch to 2 inch doors and will not go on a 1-3/8 inch leaf.
15) I need locks for the whole floor, not just classrooms. What matches the SL03 on the non-classroom doors?
The SL03 is the keyed classroom lock; the other openings on a floor need different functions in the same Grade 2 cylindrical lever family. For storerooms the Hager 2580 is a Grade 2 storeroom lever for 1-3/8 inch to 2 inch doors, for offices and entries the Hager 2525 is Grade 2 entrance, and for corridors and closets that never lock the Falcon B101 is a Grade 2 medium duty passage lever. Keeping to one grade and one lever style across the floor is how you standardize the maintenance stock.
16) Will the Cal-Royal SL03 mount on a beveled door edge?
Yes. The 2-1/4 x 1-1/8 inch latch front adjusts for either a flat or a beveled door edge at 1/8 inch in 2 inches, which is the standard bevel on a commercial door edge, so you do not order a separate beveled front. Thru-bolt installation is also available if you want the roses pulled together through the door on a hollow metal or worn wood leaf.
17) Can I use a Kwikset or other residential lever on a classroom door instead?
No, and it is the common mistake on a budget job. Residential leversets such as the Kwikset 200BRNL Breton passage lever are Grade 3 and passage function, meaning no key and no lock at all, and the Kwikset 300BRNL is Grade 3 privacy, which locks from inside with a button. Neither gives you key control from the corridor, and neither meets a Grade 2 commercial spec. For a keyed classroom door on a commercial opening you need a Grade 2 or better cylindrical lock in classroom function.
18) Do I need a keyed lever like the Cal-Royal SL03 on a corridor or closet door, or is there a simpler option?
A corridor, hall, or closet door that never locks takes a passage lever, which has no cylinder and no keying to manage. Grade 2 passage leversets include the Falcon B101 with non-handed levers, the Hager 2510 with Withnell design for doors 1-3/8 inch to 2 inch, the Accentra 5301LN Augusta from the 5300 Series, and the Design Hardware J75 flat lever for 1-3/4 inch doors. The Cal-Royal SL03 is a keyed single cylinder classroom lock, so it carries a 6-pin C keyway cylinder and two keys per lock that a passage opening has no use for.
19) Is the Corbin Russwin 585F715 lock lever a replacement lever for the Cal-Royal SL03?
No. The Corbin Russwin 585F715 is a Grade 1 lock lever for the ED8000 pushpad exit device and CL3300 cylindrical lock series, so it is trim for that specific device family rather than a complete lockset. The Cal-Royal SL03 is a complete keyed classroom cylindrical leverset with its own chassis, solid brass 1/2 inch throw latchbolt, and levers plated to match the trim finish. Levers from one manufacturer's chassis do not cross to another's.
20) Can a Grade 3 residential lever be used on the same doors as the Cal-Royal SL03?
Grade 3 leversets such as the Kwikset 200BRNL Breton passage set for 1-3/8 inch to 1-3/4 inch doors, the Callan Asheville passage lever, and the Master Lock BC Series keyed entry lever cover lighter duty openings. The Cal-Royal SL03 conforms with ANSI/BHMA A156.2 Series 4000 Grade 2 and exceeds 400,000 cycles of durability testing, and it is a commercial classroom function lock. On a school or institutional corridor door written to a Grade 2 minimum, a Grade 3 set does not meet the spec.
21) What is the keyless alternative to the Cal-Royal SL03 for a room that should not be on the key system?
Mechanical keypad leversets remove the room from the key system entirely. The Lockey 1150 heavy duty mechanical keypad lever set fits doors 1-1/8 inch to 2 inch, and the Lockey 2835 mechanical pushbutton keyless lever lock fits 1 3/16 inch to 2 inch doors with ADA compliance. Electronic options include the Delaney LP250 Grade 2 electronic keypad leverlock. The Cal-Royal SL03 is a keyed lock with a 6-pin C keyway cylinder, control key and masterkey keying available, which is what you want when the door has to sit inside a facility masterkey system instead.
22) Is a privacy lever an acceptable substitute for the Cal-Royal SL03 on a classroom door?
No. Privacy sets like the Hager 2540 Grade 2 privacy lock with Withnell lever for 1-3/8 inch to 2 inch doors, the Arrow MK02-TA privacy lock with Tudor knob, and the Kwikset 300BRNL Breton Grade 3 privacy set lock with a thumbturn from inside and release from outside with a tool, not a key. The Cal-Royal SL03 is a single cylinder keyed classroom lock where the outside lever is locked by key from the outside. Privacy function belongs on a restroom or bedroom door, not a keyed classroom opening.
23) I need levers instead of knobs on institutional doors - which of these are knob sets?
The Arrow HK11-BB entrance lock uses a ball knob, the Arrow MK02-TA privacy lock uses a Tudor knob, and the Arrow MK33-BD-CS asylum lock uses a ball knob. Knobs do not meet ADA barrier-free requirements for operable hardware. The Cal-Royal SL03 is a lever handle set that meets ADA requirements for barrier-free applications, which is why lever hardware is what gets specified on schools, healthcare, and government work.
24) Can I standardize a whole school on one lever design if some doors need the Cal-Royal SL03 and others need passage or entry?
Several manufacturers carry one lever design across functions so the openings match visually. Hager runs the Withnell lever through the Grade 2 2510 passage, 2540 privacy, and 2580 storeroom locks, all for 1-3/8 inch to 2 inch doors, with the Grade 2 2525 entry lock in the same family. Accentra runs the Augusta trim design across the 5301LN Grade 2 passage, the 4601LN Grade 2 passage, and the 455LN Grade 1 dummy. The Cal-Royal SL03 is the classroom function member of the Pioneer SL Series and is offered in eight finishes including US26D satin chrome, US15 satin nickel, and US4 satin brass, so the finish can be run through the facility.
25) Which lever lock replaces the Cal-Royal SL03 on a classroom door that needs access control?
Electrified cylindrical lever locks are the crossover. The Corbin Russwin CL33903 from the CL33900 Series is a Grade 1 fail safe electrified lever operating on 12VAC/DC for doors 1-3/4 inch to 2 inch, available keyed and with the NZ lever on a D rose. Fail safe means the lever unlocks on power loss. The Cal-Royal SL03 is a mechanical classroom lock keyed to a 6-pin C keyway, so it holds its state without power and without a wiring path through the frame.
26) Is a dummy trim lever the same as a Cal-Royal SL03 with the lock left unkeyed?
No. Dummy trim such as the BEST 9K Series 1DT Grade 1 single dummy, the BEST 7KC Series Grade 2 single dummy, the Accentra 455LN Augusta Grade 1 single dummy, and the Callan Bentley Grade 2 dummy lever is a fixed pull with no chassis and no latch at all. The Cal-Royal SL03 is a working cylindrical lockset with a deadlocking solid brass latchbolt, 1/2 inch throw, UL listed and reversible for right hand or left hand doors. Dummy trim is for an inactive leaf or a door held by another device.
27) Is the Accentra 107S Schlage cylinder adapter kit something I need with the Cal-Royal SL03?
No. The Accentra 107S is a Schlage cylinder adapter kit for Yale hardware, so it is a cylinder retrofit part for that brand's chassis. The Cal-Royal SL03 ships with its own 6-pin C keyway cylinder and two keys per lock, with control key and masterkey keying available, so no adapter is involved in putting it on the key system.
How fast can I get the Cal-Royal SL03-26D 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 SL03-26D come with a warranty?
Absolutely. The Cal-Royal SL03-26D 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 SL03-26D?
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
Why buy the Cal-Royal SL03-26D 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.
!