Corbin Russwin CL3857 Grade 2 ...
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Corbin Russwin Corbin Russwin CL3857 Storeroom/Closet Standard-Duty Cylindrical Lever Lock COR-CL3857-KEYED

Corbin Russwin CL3857 Grade 2 Storeroom/Closet Standard-Duty Cylindrical Lever Lock

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Model: CL3857 NZD 626
$453.67
$261.95
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  • Corbin Russwin ADDER-CORBIN RUSSWIN-[KEYING]=KD - Keyed Different ADDER-CORBIN RUSSWIN-[KEYING]=KD - Keyed Different
  • Corbin Russwin ADDER-CORBIN RUSSWIN-[KEYING]=KA - Keyed Alike ADDER-CORBIN RUSSWIN-[KEYING]=KA - Keyed Alike
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Corbin Russwin CL3857-KEYED Storeroom/Closet Cylindrical Lever Lock | Grade 2 | ANSI F86 | UL 3-Hour Fire Rated

Commercial-Grade Storeroom Security with Lever Release™ Vandal-Resistant Design

The Corbin Russwin CL3857-KEYED is a standard-duty Grade 2 cylindrical lever lockset engineered for storeroom and closet applications in commercial environments. Compliant with ANSI function F86, this keyed lock features a deadlocking latchbolt operated by key in the outside lever or by rotating the inside lever, with the outside lever freewheeling in the locked position and the inside lever always free. Designed for doors ranging from 1-3/8" to 1-3/4" in thickness with a 2-3/4" backset, the CL3857-KEYED is part of the CL3800 Series and is built to deliver an outstanding combination of value and performance for standard commercial applications. The most common configuration features the NZD Newport lever in 626 Satin Chrome finish.

Professional Features & Benefits

  • Grade 2 standard-duty lever lockset per ANSI/BHMA A156.2 Series 4000, Grade 2
  • Lever Release freewheeling levers for vandal resistance
  • Solid cast levers with no plastic inserts
  • Thrubolts prevent chassis rotation; ensure alignment, smooth operation and long life
  • Non-handed spring cassette prevents lever sag
  • 1/2" throw latchbolt accommodates 7/8" and 1" edge bore preps
  • 2-3/8", 2-3/4", 3-3/4" and 5" backsets available
  • UL/cUL listed for 3-hour fire doors up to 4' x 10'
  • 14 finishes plus MicroShield® antimicrobial options
  • High Security and security key systems available (Access 3®, Pyramid)
  • Five-year limited warranty

Technical Specifications

  • Grade: ANSI/BHMA A156.2 Series 4000, Grade 2
  • Door Prep: ANSI/BHMA A156.115
  • Handing: Non-handed
  • Door Thickness: 1-3/8" to 1-7/8" (35–48mm) standard; optional 2" 2-1/4" (57mm)
  • Backset: 2-3/4" (70mm) standard; optional 2-3/8", 3-3/4", 5"
  • Latchbolt: Stainless steel, 1/2" (13mm) throw
  • Front: Wrought brass, bronze, or stainless steel, 2-1/4" x 1-1/8" (standard)
  • Strike: Wrought brass or stainless steel, ANSI curved lip, 4-7/8" x 1-1/4" x 1-1/4" lip to center
  • Cylinder: Brass, 6-pin L4 keyway, 0-bitted standard
  • Minimum Stile: 4-1/2" (114mm)
  • Certifications: ANSI/BHMA A156.2 Grade 2; UL/cUL 3-hour fire rating; ADA A117.1; NFPA 80; Windstorm/Hurricane certified
  • Warranty: Five-year limited

Professional Applications

  • Interior Office Storerooms and Supply Closets
  • Commercial Retail Complexes and Back-of-House Areas
  • Multi-Family and Multi-Tenant Residential Properties
  • Restaurant and Food Service Facilities
  • Educational Facility Storage and Utility Rooms
  • Healthcare Institution Supply and Equipment Closets
  • Government and Municipal Building Interior Doors

Why Choose Corbin Russwin Quality?

Corbin Russwin CL3800 Series cylindrical lever locksets deliver professional-grade reliability through solid cast lever construction, a UL-cUL 3-hour fire rating, and ANSI/BHMA Grade 2 certification—all backed by a 7 Year Limited warranty. The steel substrate with zinc dichromate corrosion resistance and independent lever return springs ensure consistent, long-lasting performance in demanding commercial environments. With the Lever Release™ vandal-resistant design and thrubolts for solid door attachment, the CL3857-KEYED is engineered to provide dependable storeroom and closet security across a wide range of standard commercial applications.

Manufacturer Resources

Corbin Russwin Condensed Catalog

Product Specs

Subcategory:
Cylindrical Locks
Product Group:
Mechanical Locks
Series:
CL3800 Series
Grade:
Grade 2
Duty Level:
Medium Duty
Keyed Function:
Single Cylinder
Lock Function Description:
Deadlocking latchbolt by key in outside lever or by rotating inside lever. (Lever handle is freewheeling in locked position). Inside lever always free.
Standard Cylinder:
Conventional 6-pin Cylinder, L4 Keyway
Standard Latch:
Deadlatch - Square corner front, 2-1/4" x 1-1/8", 2-3/4" backset
Standard Strike:
ANSI Curved Lip 1-1/4" Lip Length
Warranty:
7 Year Limited
ANSI/BHMA:
F86
Product Subgroup:
Bored Locksets
Product Type:
Leversets
Keyed:
Yes
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Handle Type:
Lever
Lock Function:
Storeroom/Closet
Product Attribute:
Cylindrical Locks
Product Model:
CL3357
Product Function:
Storeroom
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/8" to 1-3/4"
Fire Rating:
Yes
Product Category:
Mechanical Locks
Product Substrate:
Steel, Zinc dichromated for corrosion resistance
Backset (Distance):
2-3/4"
Department:
Door Hardware

Corbin Russwin CL3857 NZD 626 – Frequently Asked Questions

1) What does the storeroom function on the CL3857 actually do when someone is inside the room?
The outside lever on the CL3857 stays locked at all times and freewheels when you turn it, so it never gives access without a key. Key in the outside lever retracts the deadlocking latchbolt. The inside lever is always free, so anyone in the storeroom walks out without a key and the door relocks behind them. That is ANSI function F86: nobody can leave it accidentally unlocked, which is why it suits supply closets, back-of-house and utility rooms.
2) Can I use the Corbin Russwin CL3857 on a labeled fire door?
Yes. The CL3857 storeroom lever is UL/cUL listed for 3-hour fire doors up to 4 feet by 10 feet, and the storeroom function keeps the latch positively latched with free egress from the inside, which is what a fire door assembly needs. Order the deadlatch (600F10 square corner or 600F13 rounded corner) rather than a plain spring latch, since the deadlocking latch is part of how the opening performs.
3) Do I have to order the CL3857 lever lock left hand or right hand?
No handing to specify. The CL3857 is non-handed, so one part number covers both swings and a property manager can stock a single spare for every storeroom door in the building. The non-handed spring cassette also keeps the levers from sagging over time.
4) Will a Corbin Russwin CL3857 fit a narrow aluminum stile door?
No. The CL3857 needs a minimum stile of 4-1/2 inches (114mm), so a narrow stile aluminum entrance will not take it. This is a bored cylindrical lock for standard hollow metal and wood commercial doors with a 2-1/4 x 1-1/8 inch latch front. On a narrow stile glass front door you want a mortise or deadlatch designed for that stile width instead.
5) How do I order the CL3857 so it works on my existing Corbin Russwin master key system?
Cylinder prep is an order choice on the CL3857, and it decides whether the lock joins your system. Options are the conventional 6-pin cylinder with L4 keyway (standard, 0-bitted), CL6 for a Corbin Russwin 6-pin large format interchangeable core less core, CL7 for the 7-pin LFIC less core, M08 for a small format IC prep less core, or LC for less conventional cylinder if you are supplying your own. If the building runs SFIC, take M08 and drop your own cores in. Keying is specified separately as keyed different or keyed alike where several closets share one key.
6) Will the CL3857 fit a door already bored for another cylindrical lock?
In most cases yes. The CL3857 is prepped to ANSI/BHMA A156.115, the standard door prep for bored locks, and its 1/2 inch throw latchbolt suits both 7/8 inch and 1 inch edge bore preps, so it covers the two edge bores you find in the field. Confirm the backset on the existing bore: 2-3/4 inch is standard here, with 2-3/8 inch, 3-3/4 inch and 5 inch backsets available for doors bored differently.
7) What is the closest Grade 2 storeroom lever lock to the Corbin Russwin CL3857?
The Cal-Royal AG05 is the nearest match: it is a Grade 2 storeroom lever lockset with a deadlocking latchbolt for doors 1-3/8 inch to 1-3/4 inch thick, the same door thickness range the CL3857 covers. Both are keyed storeroom-function levers where the outside lever stays locked and the latchbolt deadlocks. The CL3857 carries the ANSI F86 designation and ships with a conventional 6-pin L4 keyway cylinder, so if the opening is being keyed into an existing Corbin Russwin system the CL3857 is the one that drops into that key system; the AG05 would need its own keying decision.
8) Which storeroom lever should I use on a door thicker than 1-3/4 inches?
The Hager 2580 with the Withnell lever is a Grade 2 storeroom cylindrical lock rated for doors 1-3/8 inch to 2 inch thick, so it covers the range above 1-3/4 inches. The Corbin Russwin CL3857 lists a door thickness range of 1-3/8 inch to 1-3/4 inch. Both are Grade 2 storeroom-function levers, so the security behavior at the opening is the same; the difference is the door itself.
9) I do not need the closet keyed - what is the non-keyed version of a Grade 2 cylindrical lever for a closet?
For a closet that only needs to latch, a passage-function lever does the job without a cylinder. The Accentra 5301LN Augusta is a Grade 2 cylindrical lever in passage/hall/closet function from the 5300 Series, and the Falcon B101 is a Grade 2 medium-duty non-handed cylindrical passage lever from the B Series. The Corbin Russwin CL3857 is keyed, single cylinder, with a deadlocking latchbolt retracted by key in the outside lever - which is what you want only if the closet has to stay secured against people in the corridor.
10) What is the difference between the CL3857 storeroom function and a classroom lever like the Cal-Royal AG03 or Dexter C1000?
They look alike on the door and are not interchangeable. The Corbin Russwin CL3857 is storeroom function, ANSI F86: the outside lever is always locked and freewheels, the key retracts the deadlocking latchbolt, and the inside lever is always free - nobody can leave the outside lever unlocked. A classroom lever such as the Cal-Royal AG03, a Grade 2 classroom lever in the AG Series with a 2-3/4 inch backset, or the Dexter C1000 in Grade 1 classroom function, is keyed so the outside lever can be left unlocked for the period and relocked by key. If the requirement is that the storeroom is never accidentally left open, classroom function is the wrong substitute.
11) Can I use an entrance/office lever instead of the CL3857 on a supply closet?
An entrance/office lever locks and unlocks from the inside, usually by button or turn, so anyone inside can leave it unlocked. Options in that function include the Hager 2525, a Grade 2 commercial cylindrical entry lever for doors 1-3/8 inch to 2 inch, the Falcon B511CP6D Grade 2 medium-duty entry/office lever, and the Arrow HK11 turn-pushbutton entrance lock with a ball knob for doors 1-3/8 inch to 1-3/4 inch. The Corbin Russwin CL3857 has no inside locking control at all - the inside lever is always free and the outside is retracted only by key. On a supply closet where stock has to stay secured regardless of who was in it last, that difference is the whole decision.
12) Is Grade 2 enough for a storeroom in a school or hospital, or should I step up to Grade 1?
Grade 2 medium duty covers interior storerooms, supply closets and back-of-house doors where traffic is moderate and the door is not on a main circulation path. The CL3857 carries ANSI/BHMA A156.2 Series 4000 Grade 2 with solid cast levers and thrubolts through the door. For a high traffic opening a Grade 1 heavy duty cylindrical lock is the step up, for example the BEST 9K Series or the Falcon K Series. For a psychiatric or utility room needing key control from both sides, the Grade 1 Dexter C1000 asylum function is the different animal.
13) What is a cheaper Grade 2 storeroom lever if I do not need the Corbin Russwin keyway?
Two Grade 2 storeroom levers sit alongside the CL3857: the Hager 2580 with Withnell lever, which covers 1-3/8 to 2 inch doors, and the Cal-Royal AG05 with a deadlocking latchbolt for 1-3/8 to 1-3/4 inch doors. Both give the same storeroom function. The reason to stay with the CL3857 is key system continuity, since it takes Corbin Russwin LFIC in 6 or 7 pin as well as SFIC prep, so it folds into an existing masterkey plan rather than starting a second one.
14) I need a lock for a closet that just needs to stay shut, not locked. Is the CL3857 the right one?
No, that is a passage or closet latch, not this. The CL3857 is keyed, and its outside lever is permanently locked until a key turns it. If the door only needs to stay closed and open from either side, look at a Grade 2 passage lever such as the Accentra 5301LN Augusta, the Falcon B101, or the Hager 2510. Use the CL3857 only where the contents need to be secured and staff coming out should never leave the door unlocked.
15) Can I get the CL3857 storeroom lever to match the lever style and finish on the rest of my doors?
Three lever designs are offered on the CL3857: Armstrong (AZD), Newport (NZD) and Princeton (PZD), across 14 finishes running from 605 bright brass and 606 satin brass through 611 and 612 bronze, the 613 oil-rubbed bronze family including 613E and 613L, 618 bright nickel, 619 satin nickel, 625 bright chrome, 626 satin chrome, 722 black oxidized bronze, plus BSP black suede and WSP white suede powder coat. Satin chrome 626 with the Newport lever is the usual commercial pick. Because the lock is non-handed, one lever design covers every door in the run regardless of swing.
16) Can the CL3857 be keyed alike so one key opens every storeroom in the building?
Yes. Keying is an order option: keyed different is standard, and keyed alike is available where a group of locks should share one key. Cylinders ship 0-bitted as standard, so a locksmith can pin them to your existing system rather than working around a factory bitting. For a whole building on one system, take the LFIC or SFIC prep less core and use your own cores.
17) Does the CL3857 lever meet ADA for a storeroom door in a public building?
The CL3857 is a lever design and is listed to ADA A117.1, so it operates without tight grasping or wrist twisting. It also carries NFPA 80 for fire door assemblies and a windstorm/hurricane certification, which matters on institutional and municipal work where the same opening has to satisfy several sections of the spec at once.
18) Is a Grade 1 cylindrical lever a step up from the CL3857 for a high-traffic storeroom?
The Corbin Russwin CL3857 is Grade 2 medium duty. If the opening warrants Grade 1, the Falcon K101 is a Grade 1 heavy-duty non-handed cylindrical lock with a fire rating and a 1-3/8 inch to 2-1/4 inch door thickness range, and the Falcon T101 is a Grade 1 heavy-duty cylindrical lever from the T Series - both in passage function, so neither secures the door on its own. Among the keyed Grade 1 options, the Dexter C1000 comes in entry/office and classroom functions for doors 1-3/8 inch to 1-3/4 inch. Grade 1 raises the cycle and strength testing tier; the storeroom behavior of the CL3857, outside lever always locked with the inside lever always free, is a function choice separate from grade.
19) Which lever works on a utility or equipment room where the key has to stay captive?
That is asylum or institutional function, keyed both sides, and it is a different lock from the Corbin Russwin CL3857. The Dexter C1000 in asylum function is ANSI F87, Grade 1, for doors 1-3/8 inch to 2 inch, and the Arrow MK33-BD-CS is a Grade 2 heavy-duty asylum lock with a ball knob and a conventional Schlage C keyway cylinder. The CL3857 is single cylinder with the inside lever always free, so the room can always be exited without a key - which is what a storeroom needs and an asylum opening deliberately does not.
20) We want to stop issuing keys for the stockroom - is there a keypad lever that replaces the CL3857?
Yes, if code access suits the opening better than a key. The Delaney LP250 is a Grade 2 electronic keypad leverlock. Mechanical pushbutton options include the Lockey 2835, a keyless pushbutton lever with ADA compliance for doors 1-3/16 inch to 2 inch, and the Lockey 1150 heavy-duty mechanical keypad lever set for doors 1-1/8 inch to 2 inch with an adjustable backset. The Corbin Russwin CL3857 stays the choice where the stockroom must sit on the building master key - it takes a conventional 6-pin L4 keyway cylinder and is also offered in less-core LFIC 6-pin and 7-pin and SFIC prep versions for interchangeable-core key systems.
21) Is a Grade 3 residential lever an acceptable substitute for the CL3857 in a commercial building?
Grade 3 levers sit a tier below on ANSI/BHMA testing and are built for lighter cycles. Examples include the Cal-Royal AUS00, a Grade 3 entrance/office lever with a solid brass forged body for doors 1-3/8 inch to 1-3/4 inch, the Callan Artino Grade 3 entrance leverset, the Master Lock BC Series RL01 Grade 3 keyed entry lever, and the Kwikset 200BRNL Breton, a Grade 3 passage lever for doors 1-3/8 inch to 1-3/4 inch. The Corbin Russwin CL3857 is Grade 2, designated commercial, and fire rated. Where the specification or the fire door schedule calls for a rated commercial lockset, a Grade 3 entrance or passage lever does not meet it.
22) The restroom off the stockroom needs a lock too - can I use the same CL3857 there?
No, a restroom wants privacy function so it locks from inside without a key. The Hager 2540 is a Grade 2 privacy cylindrical lock with the Withnell lever for doors 1-3/8 inch to 2 inch, the Arrow MK02-TA is a Grade 2 privacy lock with a Tudor knob and a fire rating, and the Kwikset 300BRNL Breton is a Grade 3 privacy lever for doors 1-3/8 inch to 1-3/4 inch. The Corbin Russwin CL3857 has no inside locking control; the inside lever is always free and it is retracted from outside only by key.
23) Is escutcheon lever trim like the Imperial ED-EL500HD an alternative to the CL3857?
They are different classes of hardware. The Imperial USA ED-EL500HD is heavy-duty escutcheon lever trim in entry function from the ED-500 Series - trim that mounts to an exit device on the pull side of the door. The Corbin Russwin CL3857 is a cylindrical lock with its own chassis, deadlatch and strike, bored into the door on a 2-3/4 inch backset. If the door already carries a panic device, you need the trim; if the door is bored for a cylindrical lockset, you need the CL3857.
24) Which passage levers pair with a CL3857 when only some doors in the run need to be keyed?
Standardize the look and vary the function. Grade 2 passage levers include the Accentra 4601LN with Augusta trim from the 4600 Series, the Arrow GL01 with the Sierra lever for doors 1-3/4 inch to 2 inch, the Hager 2510 with the Withnell design for doors 1-3/8 inch to 2 inch, and the Design Hardware J75 flat lever for 1-3/4 inch doors. The Corbin Russwin CL3857 covers the keyed storeroom openings in the same run, non-handed, on doors 1-3/8 inch to 1-3/4 inch, and can be ordered keyed alike so one key opens every secured door in the group.
25) Will the CL3857 hold up in a kitchen or a coastal building where things corrode?
The chassis is steel with a zinc dichromate coating for corrosion resistance, the latchbolt is stainless steel, and the levers are solid cast with no plastic inserts. Thrubolts pull the two sides together through the door so the chassis cannot rotate loose under repeated use. That construction is aimed at restaurant back-of-house, food service and similar interior storerooms. It is medium duty, so a door being hit hundreds of times a day is a Grade 1 job.
26) I need matching trim on an inactive leaf next to a CL3857 storeroom door - what do I order?
An inactive or false door leaf takes dummy trim, which has no latch and no chassis. The BEST 7KC Series 1DT is a Grade 2 medium-duty non-keyed single dummy trim cylindrical lever, and the BEST 9K Series 1DT is the Grade 1 heavy-duty equivalent; the Accentra 455LN Augusta is a Grade 1 heavy-duty single dummy cylindrical lever from the 5400 Series. The Corbin Russwin CL3857 is a keyed cylindrical lever with a deadlatch and strike, so it is not what goes on a leaf that never latches - though matching the lever design and finish across the pair is worth doing, since the CL3857 comes in Armstrong, Newport and Princeton lever designs and 14 finishes including 626 satin chrome.
27) Can I swap in a decorative lever like the Baldwin Estate 5103 or a Deltana entry lever on a storeroom door?
Those are residential-styled levers for a different job. The Baldwin Estate 5103 with the 5048 rose comes in passage, privacy and half dummy versions, handed left or right on the dummies, and the Deltana Manchester 6201, Morant 6411 and Linstead 6431 are entry levers for doors 1-3/8 inch to 2 inch. None is a storeroom function. The Corbin Russwin CL3857 is non-handed, commercial, Grade 2 storeroom with a deadlocking latchbolt, so on a stockroom or utility closet in a commercial building it is the functional part - and it is offered in finishes including 613 satin bronze oil-rubbed and 722 black oxidized bronze oil-rubbed if the look is what is driving the choice.
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Does the Corbin Russwin CL3857 NZD 626 come with a warranty?
Absolutely. The Corbin Russwin CL3857 NZD 626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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