Cal-Royal NM8466 Heavy Duty Gr...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$331.08
Cal-Royal NM8466 Heavy Duty Grade 1, Store Door Lock Mortise Lockset

Cal-Royal NM8466 Heavy Duty Grade 1 Store Door Mortise Lockset with ANSI F14 Function

(No reviews yet) Write a Review

Model: NM8466-SS-RH-US26D
$331.08
Selected Finish is
Selected Trim Design is
Selected Handing is

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

$331.08
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 NM8466 Heavy Duty Grade 1 Store Door Mortise Lockset with ANSI F14 Function

The Cal-Royal NM8466 is a Heavy Duty Grade 1 store door mortise lockset built for high-traffic commercial entrances. Featuring ANSI F14 function, the latch bolt operates by lever from either side while the deadbolt is projected or retracted by key on either side, with the latch bolt and deadbolt operating independently. Designed for 1-3/4" thick doors with a 2-3/4" backset, this lockset meets ANSI/BHMA A156.13, Series 1000, Operational & Security Grade 1 Standards and is UL Listed with an "A" Label 3-hour rating for use on fire doors, single or pair.

Key Features

  • Door & Backset Compatibility: Engineered for 1-3/4" thick doors with a 2-3/4" backset for standard commercial door preparation.
  • Front Plate Dimensions: Heavy gauge steel front measuring 8" x 1-1/4" x 3/32", accommodating flat doors and doors beveled 1/8" in 2".
  • Exceptional Durability: Exceeds 1,000,000 cycles, conforming to Federal Specification Type 86 and all dimensional and operational performance requirements.
  • Heavy-Duty Construction: Rust-proof heavy gauge zinc chromate steel lockcase with wrought brass armored front attached by machine screws that conceal lock mounting screws.
  • 1" Throw Deadbolt: Brass, chrome-plated deadbolt with hardened steel anti-saw rollers for enhanced security against forced entry.
  • Heavy-Duty Latchbolt: Brass, chrome-plated anti-friction latch bolt with individual spring design to prevent lever sag, easily field-reversible.
  • Guardbolt & Stopworks: Extruded brass, chrome-plated guardbolt paired with rocker-type brass, chrome-plated stopworks for reliable operation.
  • Curved Strike Plate: Brass, non-handed curved strike measuring 4-7/8" x 1-1/4", with a curved-up strike available upon request.
  • ADA Compliant Levers: Forged brass lever handles exceed ADA (American Disability Act) requirements for accessible operation.
  • Field-Reversible Handing: Fully handed but easily field-reversible for flexible installation across left- or right-hand doors.

Certifications & Compliance

  • ANSI/BHMA A156.13, Series 1000, Operational & Security Grade 1 Standards
  • Conforms to Federal Specification Type 86
  • UL Listed "A" Label (3-hour rating) for fire doors, single or pair; "F" mark stamped on strike
  • Conforms to UL10C and UBC 7-2-1997 standards
  • Conforms & Meets ADA Regulations
  • BHMA Certified Lifetime Warranty

Technical Specifications

  • Product Group: Mechanical Locks
  • ANSI/BHMA: Meets ANSI/BHMA A156.13, Series 1000, Operational & Security Grade 1 Standards Lock body conforms to Federal Specification Type 86, and all dimensional and operational performances, Exceeds 1,000,000 cycles
  • Product Subgroup: Mortise Locks and Trim
  • Latch Throw: 1" (deadbolt)
  • Commercial/Residential: Commercial
  • Cylinder and Keyways: 6-Pin solid brass "C" Keyway Standard
  • Keyed: Yes
  • Electronic: No
  • Door Hand Direction: Field Reversible
  • Product Category: Mechanical Locks
  • 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 NM8466?

Cal-Royal NM8466 mortise locksets deliver professional-grade reliability with rust-proof heavy gauge zinc chromate steel construction and brass, chrome-plated components rated to exceed 1,000,000 cycles. Engineered for demanding commercial storefront applications where fire safety, ADA compliance, and dependable Grade 1 security performance are essential.

Product Specs

Product Group:
Mechanical Locks
ANSI/BHMA:
Meets ANSI/BHMA A156.13, Series 1000, Operational & Security Grade 1 Standards Lock body conforms to Federal Specification Type 86, and all dimensional and operational performances, Exceeds 1,000,000 cycles
UL Listing Type:
UL Listed "A" Label (3 hours), for use on fire doors, single or pair of doors. "F" mark stamped on strike
Grade:
Grade 1
Product Subgroup:
Mortise Locks and Trim
Product Type:
Mortise Locks
Subcategory:
Mortise Lockset
Latch Throw:
1" (deadbolt)
Commercial/Residential:
Commercial
Cylinder and Keyways:
6-Pin solid brass "C" Keyway Standard
Lock Type:
Mortise
Keyed:
Yes
Product Attribute:
Mortise Locks
Electronic:
No
Product Model:
NM8466
Door Hand Direction:
Field Reversible
Door Thickness Range:
1-3/4"
Door Strike:
Brass, non-handed curved Strike 4-7/8" x 1 1/4". Curved-up Strike available upon request
Product Category:
Mechanical Locks
Product Substrate:
Steel
Backset (Distance):
2-3/4"
Department:
Door Hardware

Cal-Royal NM8466-SS-RH-US26D – Frequently Asked Questions

1) What does ANSI F14 store door function actually do on a mortise lock?
F14 gives you two independent bolts. The latch bolt retracts by lever from either side, so people can pass through freely, and the deadbolt is thrown or pulled back by key from either side. Neither one drives the other, so at closing time you key the deadbolt from outside and the storefront is locked; during business hours you leave the deadbolt retracted and the levers do the work. That is the classic retail and storefront entry setup, and it is why this is called a store door lock.
2) Can I use the Cal-Royal NM8466 on a fire-rated door?
Fire rated, yes. The NM8466 is UL Listed with an "A" Label 3-hour rating for use on fire doors, single or pair, with the "F" mark stamped on the strike, and it conforms to UL10C and UBC 7-2-1997. For an inspector, that stamped strike is what they look for, so keep the supplied strike with the lock rather than reusing an unmarked one.
3) Do I have to order the Cal-Royal NM8466 handed, or can it be reversed in the field?
Handing is ordered, but not final. The lock ships fully handed and is offered in left hand and right hand, and the latch bolt is field reversible if you get the wrong one or a door swing changes. Ordering the correct hand still saves a step on install.
4) Will the NM8466 deadbolt reach my existing strike pocket?
The deadbolt throws 1 inch, so it needs a full 1 inch of depth behind the strike face in the frame. The lock comes with a brass, non-handed curved strike measuring 4-7/8 x 1-1/4 inches. If your frame is cut for a standard ANSI 4-7/8 inch strike you are in good shape; if the existing pocket is shallower than 1 inch you will need to deepen it. A curved-up strike is available on request for frames that need it.
5) What cylinder and keyway does the Cal-Royal NM8466 come with, and can it go on my building's master key system?
It ships with 6-pin solid brass cylinders in the "C" keyway as standard, and the lock is keyed on both sides for the deadbolt. Six-pin brass cylinders are the normal platform for masterkeying, so a locksmith can pin these into an existing 6-pin system as long as that system uses the same keyway. If your building runs a restricted or proprietary keyway, plan on swapping cylinders.
6) Is the Cal-Royal NM8466 rated for high-traffic entrance doors like a school or apartment lobby?
It is a commercial Grade 1 lock. The NM8466 meets ANSI/BHMA A156.13 Series 1000 Operational and Security Grade 1, the lock body conforms to Federal Specification Type 86, and it exceeds 1,000,000 cycles. Grade 1 is the top ANSI/BHMA durability tier for locks, which is the level normally specified for entrances in schools, healthcare, multi-tenant residential and government work. The case is zinc chromate steel with a wrought brass armored front, and the deadbolt carries hardened steel anti-saw rollers.
7) My doors are 1-5/8 to 1-7/8 inches thick. Can I still use the Cal-Royal NM8466?
Not reliably. The NM8466 is specified for 1-3/4 inch doors only, so a 1-5/8 inch or 1-7/8 inch leaf falls outside what the trim is cut for. If you have a mixed range of door thicknesses in one building, the Alarm Lock DL2700CR and DL3500CR Grade 1 mortise locks are listed for 1-5/8 to 1-7/8 inches, though those are electronic classroom-function locks rather than a keyed store door lock. For thicker doors, the Hager 3800 Series mortise locks cover 1-3/4 up to 2-1/2 inches.
8) What is the closest Grade 1 keyed mortise lock to the Cal-Royal NM8466 for a storefront entrance?
The Cal-Royal NM8466 is a Grade 1 keyed mortise lockset with ANSI F14 store door function, meaning the latch retracts by lever from either side while a 1-inch deadbolt throws by key from either side, operating independently of the latch. The nearest keyed Grade 1 mortise peer is the Accentra 8805FL, an 8800 Series Grade 1 storeroom mortise lock with Arcadia lever. The difference is functional: storeroom keeps the outside lever locked at all times with entry by key, while the NM8466 store door function gives you lever operation from both sides plus a separately keyed deadbolt for after-hours lockup. Choose the 8805FL where the door should stay latched-secure around the clock, and the NM8466 where staff need free lever passage during business hours and a deadbolt at close.
9) I need a mortise lock on this opening but no key - what takes the place of the NM8466?
The Cal-Royal NM8466 is a keyed lockset with a 6-pin solid brass C keyway as standard, so it is the wrong choice where the opening should never lock. For non-keyed mortise openings, the Hager 3810E is a Grade 1 passage mortise lock with escutcheon and 2-3/4 inch backset for 1-3/4 inch to 2-1/2 inch doors, and the Hager 3810S is the same passage function with rose trim instead. The Schlage PM010 is a Grade 1 non-keyed passage latch mortise lock for 1-3/4 inch doors, and the Falcon MA101 is a Grade 1 heavy duty mortise passage lock in the MA Series with field reversible operation and a fire rating. The Hager passage pair shares the NM8466's 2-3/4 inch backset, so the door prep carries over.
10) Is a mortise deadbolt the same thing as the Cal-Royal NM8466 store door lock?
No. The Cal-Royal NM8466 combines a latch bolt and a 1-inch key-operated deadbolt in one mortise case, so a single lock body handles both daytime latching and after-hours bolting. A mortise deadbolt is bolt-only and adds no latch: the Sargent 4874 is a double cylinder mortise deadbolt with a 2-3/4 inch backset in the 4870 Series, and the Kaba Ilco 185 Series is a deadbolt-function mortise lock supplied with no handing. The Sargent 4874 matches the NM8466's 2-3/4 inch backset. Use a deadbolt like these where the door already has a separate latch or exit device and only needs a bolt added; use the NM8466 where one mortise pocket must provide both.
11) What mortise lock replaces the Cal-Royal NM8466 on a door thinner than 1-3/4 inches?
The Cal-Royal NM8466 is engineered for 1-3/4 inch thick doors, so a thinner leaf needs a different body. The Baldwin 6310 entry/storeroom knob-by-knob mortise lock body is specified for 1-3/8 inch and over with a 2-1/2 inch backset, and the Baldwin 6310190RRLS is the right hand reverse lever-by-lever version of the same entry/storeroom function on that 1-3/8 inch and over range. For ornamental iron stile doors, the Marks USA 21AC and 22AC entrance double cylinder mortise locks with round knob are cut for 1 inch doors. Note the backset shift: the Baldwin bodies are 2-1/2 inch where the NM8466 is 2-3/4 inch, so the door and jamb prep are not interchangeable.
12) Which Grade 1 mortise lock should I specify for a fire-rated opening if not the Cal-Royal NM8466?
The Cal-Royal NM8466 is UL Listed with an A Label 3-hour rating for use on fire doors, single or pair, with the F mark stamped on the strike. Among Grade 1 mortise peers carrying a stated fire rating, the Schlage LEMD-GRW ENGAGE Series wireless mortise lock is Grade 1 with a 3 hour fire rating, and the Falcon MA101 MA Series heavy duty mortise lock is Grade 1 with a fire rating, though it is passage function and provides no locking. The Schlage LEBMB-ADD mobile-enabled mortise lock also carries a 3 hour fire rating but is Grade 2 rather than Grade 1, which matters if the specification calls for Grade 1. For a keyed mechanical Grade 1 fire door with both a latch and a deadbolt, the NM8466 is the direct answer.
13) I need the outside lever to lock and unlock from an access control panel - what replaces the mechanical NM8466?
The Cal-Royal NM8466 is a non-electronic lockset, so it cannot be driven from a panel. For an electrified mortise case, the Schlage L9092EU 03A is a heavy duty electric lock/unlock outside lever mortise lock, keyed outside, with request to exit and 12/24VDC operation, for 1-3/4 inch doors. The Command Access ML190 Series is a heavy-duty motorized mortise lock in storeroom function with field selectable fail safe and fail secure operation on 24VDC. The BEST 45HW Series is a heavy duty wired electromechanical mortise lock with 12V/24V operation. Each of these requires power transfer to the door and, in the Schlage case, an RX signal path back to the panel - none of which the mechanical NM8466 needs.
14) What is the difference between SE escutcheon trim and SS sectional trim on the NM8466?
Escutcheon trim (SE) is a single long plate that covers the lever and the cylinder together, so it hides the old mortise cutout and any wear or mismatched holes in the door face. Sectional trim (SS) is separate pieces, a rose at the lever and a separate cylinder collar, which looks lighter and shows more of the door. Both are offered in all six finishes and both hands on the NM8466, so pick on appearance and on how clean the existing door face is.
15) Are the Cal-Royal NM8466 levers ADA compliant for a public entrance?
The forged brass lever handles exceed ADA requirements, so the lock meets the accessible-operation side of an ADA opening. Keep in mind ADA compliance at the door also depends on opening force and hardware height, which are set by the door and closer, not by the lockset.
16) I need a mortise lock for a classroom, not a storefront. Is the NM8466 the right one?
No. F14 store door function keys the deadbolt from both sides, which is not what a classroom opening needs. For classroom function look at the Corbin Russwin ML2003 Grade 1 mortise classroom lockset, which is also built for 1-3/4 inch doors. If the requirement is intruder-style lockdown from inside the room, the BEST 45HCA heavy duty mortise lock body with intruder function covers that instead.
17) What is a comparable Grade 1 mortise lock to the Cal-Royal NM8466 if I want a deadbolt-and-latch entry function?
Closest in intent is the Sargent 7925 dormitory exit function mortise lock, Grade 1 heavy duty, which pairs a latch with a single cylinder deadbolt on rose trim. Note the difference that matters: the Sargent 7925 is single cylinder on the deadbolt, while the NM8466 is keyed on both sides. If you only need the deadbolt with no latch at all, the Sargent 4874 double cylinder mortise deadbolt uses the same 2-3/4 inch backset.
18) Does the Cal-Royal NM8466 need power or wiring at the door?
No power, no wiring, no prep for a transfer hinge. The NM8466 is a fully mechanical keyed mortise lock. If the job actually calls for access control on a mortise prep, the BEST 45HW wired electromechanical mortise lock runs on 12V or 24V, and the Schlage L9092EU with request-to-exit is a 12/24VDC electric lock/unlock lever for 1-3/4 inch doors.
19) Will an Emtek mortise entrance lockset work as a substitute for the Cal-Royal NM8466 on a commercial door?
No, and the reason is function rather than style. The Cal-Royal NM8466 is a keyed commercial Grade 1 mortise lockset. The Emtek 3019 Brisbane, 3102 Memphis, 3104 Hamilton and 3106 Manhattan mortise entrance locksets are all dummy function, meaning they are trim only with no working latch or bolt. Dummy trim belongs on an inactive leaf or a pull-only door. The same caution applies to the Schlage L0170, a Grade 1 heavy duty L Series mortise half dummy trim for 1-3/4 inch doors, and the Falcon MESC600DT dummy escutcheon lever trim for M9900 Series exit devices. None of these secure an opening the way the NM8466's keyed deadbolt and latch do.
20) Can I put an electronic keypad or card reader mortise lock in the same door prep as the Cal-Royal NM8466?
The Cal-Royal NM8466 is a mechanical, non-electronic mortise lockset. If the opening needs credentials rather than a key, the mortise-prepped electronic peers include the Dormakaba E-Plex E5086, a Grade 1 back-to-back electronic pushbutton and card entry/egress mortise lock; the TownSteel FME-2000, a Grade 1 heavy duty RFID classroom mortise lockset for 1-3/4 inch doors; and the Schlage LEMD-GRW, a Grade 1 ENGAGE Series wireless mortise lock with a 125kHz proximity reader, mobile-enabled deadbolt with LED and Greenwich trim, right hand, carrying a 3 hour fire rating. Note that some electronic mortise bodies are cut for a narrower door: the Alarm Lock DL3500CR Grade 1 classroom mortise lock is specified for 1-5/8 inch to 1-7/8 inch doors, which covers the NM8466's 1-3/4 inch door, while the TownSteel and Schlage units above are 1-3/4 inch. Confirm the electronic body's own door prep template before ordering, since electrified mortise cases add wiring and reader cutouts the mechanical NM8466 does not require.
21) I only need the mortise lock body, not a complete lockset with trim - what are my options?
The Cal-Royal NM8466 ships as a complete lockset with forged brass lever trim, offered in SE escutcheon trim or SS sectional trim. If your doors already carry usable trim and you only need the case, the BEST 45H Series is a heavy duty mortise lock body in public entrance function with field reversible operation, and the BEST 45HCA Series is a heavy duty mortise lock body in intruder function. The Baldwin 6301 is an entry/apartment mortise lock body offered knob by knob or, as the 6301LS, lever by lever, both with a 2-1/2 inch backset for 1-3/4 inch and over doors. A body-only order means you are responsible for matching the existing trim, spindle and cylinder; the NM8466 arrives as a matched set with a 6-pin solid brass C keyway.
22) What mortise lock do I use instead of the NM8466 on a behavioral health or anti-ligature opening?
The Cal-Royal NM8466 uses forged brass lever handles that exceed ADA requirements, which suits a commercial storefront but not a ligature-resistant environment. For those openings, the TownSteel MRX-L-01 is a Grade 1 heavy duty stainless steel anti-ligature lever mortise lockset in passage function for 1-3/4 inch doors, and the MRX-A-01 is the same passage function in satin stainless steel with ligature resistant arch trim. The Marks USA 5PDN is a Grade 1 hospital passage mortise push/pull paddleset in satin stainless steel, ligature resistant and ADA compliant. All three are passage function, so they latch without locking; the NM8466 remains the choice where the opening must actually be secured.
23) Is a cylindrical lock an acceptable substitute for the Cal-Royal NM8466?
Not without changing the door. The Cal-Royal NM8466 is a mortise lock, which requires a rectangular pocket machined into the door edge at a 2-3/4 inch backset and takes an 8 inch by 1-1/4 inch by 3/32 inch armored front. A cylindrical lock such as the Schlage PC10, a Grade 1 passage cylindrical lock, non-keyed with rose for 1-3/4 inch doors, uses a bored cross-hole prep instead and will not fill a mortise pocket. If you are replacing an existing mortise lock, stay with a mortise body such as the Accentra 8805FL Grade 1 storeroom mortise lock so the existing pocket and strike prep still serve.
24) Can I mix handing between the Cal-Royal NM8466 and other mortise locks on the same building?
The Cal-Royal NM8466 is fully handed but field reversible, so one part number covers both left hand and right hand openings and the latch bolt reverses in the field without a return. Among mortise peers, the BEST 45H Series mortise lock body and the Falcon MA101 MA Series are also field reversible, and the Kaba Ilco 185 Series is supplied with no handing at all. Others are handed at order: the Schlage LEMD-GRW ENGAGE Series wireless mortise lock is specified right hand, and the Baldwin 6310190RRLS is a right hand reverse lever by lever body. On a mixed building, a field reversible or non-handed body cuts the number of distinct part numbers you have to stock.
25) What mortise lock fits a dormitory or corridor opening rather than a store door?
The Cal-Royal NM8466 carries ANSI F14 store door function, which leaves the lever operable from both sides during business hours. For a corridor or dormitory opening, the Sargent 7925 is a Grade 1 heavy duty dormitory exit function mortise lock in the 7900 Series with rose trim and a single cylinder deadbolt. Both carry a deadbolt, but the 7925's dormitory exit function governs the corridor side differently from the F14 store door arrangement, where the deadbolt is thrown and retracted by key from either side of the NM8466.
26) What finishes does the Cal-Royal NM8466 store door lockset come in?
Six finishes across both trim styles and both hands: US3 polished brass, US4 satin brass, US10B antique bronze oiled, US26 polished chrome, US26D satin chrome, and US32D satin stainless steel. For a building standardizing across openings, US26D and US32D are the two that read as the usual commercial satin look, and US32D is the one to match against stainless push plates and exit devices.
27) Will the NM8466 lever sag over time on a heavy entrance door?
Lever sag is designed against here. The anti-friction latch bolt uses an individual spring design specifically to keep the lever from drooping, separate from the latch return, and the levers themselves are forged brass rather than cast. That plus the 1,000,000-cycle rating is what separates this from a light-duty lockset on a door that gets pulled all day.
28) Is the Cal-Royal NM8466 lock case going to corrode on an exterior storefront door?
The lock case is rust-proof heavy gauge zinc chromate steel, and the working parts (deadbolt, latch bolt, guardbolt, stopworks) are brass with chrome plating. The armored front is wrought brass, attached with machine screws that cover the lock mounting screws so the case cannot be unscrewed from outside. For an exterior opening that still means the door and frame need to keep water off the lock pocket, but the lock itself is specified for that duty.
How fast can I get the Cal-Royal NM8466-SS-RH-US26D 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 NM8466-SS-RH-US26D come with a warranty?
Absolutely. The Cal-Royal NM8466-SS-RH-US26D 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 NM8466-SS-RH-US26D?
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 NM8466-SS-RH-US26D 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.
!