BEST 45H Series Heavy Duty Mor...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,244.00
$770.00
BEST BEST 45H Series (LT - Privacy Function) - Rose Trim Heavy Duty Mortise Lock, Non-Keyed BES-45H-LT-RS

BEST 45H Series Heavy Duty Mortise Lock with Privacy Function and Rose Trim

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Model: 45H0LT14H626
$1,244.00
$770.00
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,244.00
$770.00
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BEST 45H Series Heavy Duty Mortise Lock with Privacy Function and Rose Trim

Professional-Grade Mortise Lock Solution for Commercial Applications

The BEST 45H Series Heavy Duty Mortise Lock delivers commercial-grade security with privacy function and rose trim configuration. Engineered with solid one-piece stainless steel anti-friction latch providing 50% more surface contact with strike, this mortise lock features a 2-3/4" backset and 8" H x 1-1/4" W x 1/16" T stainless steel faceplate. Manufactured from 0.095" cold rolled steel case construction and meets ANSI A156.13 Series 1000 Grade 1 Operation and Strength standards for demanding commercial environments.

Professional Features & Benefits

  • Enhanced Latch Design: Solid one-piece stainless steel anti-friction latch provides 50% more surface contact with strike for superior strength and security with precision-engineered curve for enhanced cycle life.
  • Heavy-Duty Construction: Case, cover, and armored front manufactured from 0.095" cold rolled steel with zinc dichromate plating for exceptional durability and corrosion protection.
  • Reversible Operation: Non-handed design with reversible latch that rotates 180 degrees for easy handing change without opening case, plus four position hub toggle for flexible configuration.
  • Armored Front Protection: Completely surrounds latch and deadbolt providing increased lateral strength with staked assembly design for self-alignment during installation.
  • Roller Bearing Mechanism: Smooth, wear-resistant operation with lever return spring mechanism located in trim for enhanced protection against lever droop.
  • Grade 1 Performance: Meets ANSI A156.13 Series 1000 Grade 1 Operation and Strength, Grade 2 Security standards for commercial applications.
  • Self-Aligning Installation: Trim mechanism and faceplate automatically adjust for fast, easy, and accurate installation with proper door bevel alignment.
  • Antimicrobial Options: Available with UltraShield antimicrobial protected coating in 626AM and 630AM finishes for healthcare and high-cleanliness applications.

Technical Specifications

45H Series –The design and operation of the BEST® mortise lock meets the intent
of the standard for ANSI A117.1 section 404.2.6.
Builders Hardware Manufacturers Association:
45H Series –ANSI A156.13, Series 1000, Grade 1 Operation and Strength, Grade 2 Security. To meet Grade 1 Security, a drill resistant core
(1CD, 1CDP, 1CDF, or 1CDX) must be used with escutcheon trims, and 1EK7K4 high security cylinder must be used with sectional trims.
47H Series – ANSI A156.13, Series 1000, Grade 1 Operational, Strength, and Security

Auxiliary bolt – Stainless steel, non-handed.
Backset – 2-3/4"
Case –0.095” cold rolled steel, 5- 7/8" H x 7/8" D x 4-1/16" W. Steel is zinc dichromate plated for corrosion protection.
Deadbolt – Stainless steel, 1" throw.
Latchbolt –Solid stainless steel, 3/4" throw. Latch is oil-impregnated for anti-friction operation. Reversible without opening case.
Strike – For complete strike package spec’s see page 5.
Door Thickness – Standard lock configuration designed for doors 1-3/4" thick. Thick door configuration available for doors up to
5" thick (specify thickness when ordering).
Faceplate –Stainless steel, brass or bronze material, 8" H x 1-1/4" W x 1/16" T. Lock face automatically adjusts to proper bevel during
installation.
Products protected by one or more of the following patents: 4,873,853 5,590,555 5,794,472
Finishes –
• 605 - bright brass, clear coated
• 606 – satin brass, clear coated
• 611 – bright bronze, clear coated
• 612 – satin bronze, clear coated
• 613* – oxidized satin bronze, oil rubbed
• 618 – bright nickel plated, clear coated (brass base material)
• 619 – satin nickel plated, clear coated (brass base material)
• 622 – flat black coated (brass base material) 625 – brightchromium plated (brass base material)
• 626 – satin chromium plated (brass base material)
• 629 – bright stainless steel
• 630 – satin stainless steel
• 690* – dark bronze coated (brass base material)
*613 finish is designed to wear over time, providing an “antique” appearance.
*690 finish will continue as a dark brown appearance over time.
Antimicrobial Finish –
• 626AM – satin chrome plated with UltraShield™ antimicrobial protected coating
• 630AM – satin stainless steel with UltraShield™ antimicrobial protected coating
The BEST UltraShield finish inhibits the growth of bacteria and other microbes on the surface of the hardware.
NOTE: BEST UltraShieldTM option is recommended for use on any hardware application where product cleanliness is a high priority. i.e;.
Hospital/Healthcare, Elderly Care, Education, Transportation, Food-Service, Hospitality.

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness (standard 1-3/4" or up to 5" thick door configuration), stile width, and handing as applicable to this mortise lock.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for proper mortise preparation.
  3. Prepare door and frame by drilling required holes and routing mortise cavity as specified in manufacturer instructions for 2-3/4" backset configuration.
  4. Install all mounting hardware and secure the lock case to door per manufacturer torque specifications, ensuring proper alignment with armored front self-alignment feature.
  5. Adjust operational components including four position hub toggle for proper privacy function operation, lever alignment, and smooth operation throughout the full range of motion.
  6. Test lock operation to verify proper latch and deadbolt function, privacy operation, and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

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

Why Choose BEST Quality?

BEST 45H Series mortise locks deliver professional-grade reliability with solid stainless steel construction and 0.095" cold rolled steel case rated for Grade 1 commercial performance. The precision-engineered anti-friction latch design provides enhanced cycle life with 50% more strike contact surface for superior strength and security. Engineered for demanding commercial applications where dependable operation and long-term durability are essential.

Product Specs

Series:
45H
Standard Cylinder:
SFIC Prep Less Core
Duty Level:
Heavy Duty
Keyed Function:
Non-Keyed
Product Group:
Mechanical Locks
Product Subgroup:
Mortise Locks and Trim
Product Type:
Mortise Locks
Subcategory:
Mortise
Keyed:
No
Commercial/Residential:
Commercial
Lock Type:
Mortise
Product Attribute:
Mortise Locks
Electronic:
No
Face Plate:
8" H x 1-1/4" W x 1/16" T
Product Category:
Mechanical Locks
Backset (Distance):
2-3/4"
Department:
Door Hardware

BEST 45H0LT14H626 – Frequently Asked Questions

1) Will the BEST 45H privacy mortise lock fit a 1-3/4 inch door?
Yes. The standard 45H configuration is built for 1-3/4 inch doors, which is the usual commercial thickness. For anything thicker, BEST makes a thick-door configuration up to 5 inches, but you have to call out the actual door thickness when you order. Mortise prep uses a 2-3/4 inch backset and the armored front is 8 inches by 1-1/4 inches by 1/16 inch thick.
2) Is the BEST 45H LT privacy function keyed, and does it take a cylinder?
The LT privacy function is non-keyed. No key cylinder is involved in the lock function itself, so it operates by thumbturn from the inside for bath, bedroom, exam room and similar openings. The 45H case is still supplied with the BEST small format interchangeable core prep, less core, so keyed functions in the same series can run on the same keying program.
3) Do I have to specify handing when ordering a BEST 45H mortise lock?
No. The 45H is non-handed. The latch reverses by rotating 180 degrees without opening the case, and there is a four position hub toggle inside, so one lock covers left and right hand openings. Handy if you are stocking spares for a building rather than ordering per door.
4) What grade is the BEST 45H mortise lock rated to for a school or hospital spec?
The 45H meets ANSI A156.13, Series 1000, Grade 1 Operation and Strength, Grade 2 Security. Its design and operation also meet the intent of ANSI A117.1 section 404.2.6. If the spec demands Grade 1 Security, BEST calls for a drill resistant core (1CD, 1CDP, 1CDF or 1CDX) with escutcheon trims, or the 1EK7K4 high security cylinder with sectional trims. The 47H Series is the one rated Grade 1 for Operational, Strength and Security outright.
5) Will the 45H latch pick up my existing ANSI mortise strike?
The latchbolt throws 3/4 inch and the deadbolt throws 1 inch, both solid stainless steel, off a 2-3/4 inch backset. Those are the standard throws for an ANSI Series 1000 mortise lock, so an existing ANSI strike and frame prep will normally accept it. Measure the strike lip and the existing mortise pocket against the 8 x 1-1/4 inch armored front before you commit on a retrofit.
6) What is a direct alternative to the BEST 45H privacy mortise lock from another manufacturer?
The Hager 3840S is the closest straight equivalent: it is a Grade 1 privacy/bed/bath mortise lock with a 2-3/4 inch backset, the same backset the BEST 45H uses, and covers doors 1-3/4 inch to 2 inch thick. The Cal-Royal NM8440 is another Grade 1 privacy mortise lockset, listed with a deadbolt and for 1-3/4 inch doors. The BEST 45H is supplied with SFIC prep less core and comes in rose trim with 14 finishes including 626AM and 630AM antimicrobial, so pick the peer that matches your trim and keying program.
7) I do not need the privacy locking function, just a latch. What mortise lock should I use instead?
For an opening that only needs latching, look at a passage-function mortise lock rather than the BEST 45H privacy configuration. The Schlage PM010 is a Grade 1 passage latch mortise lock, non-keyed, for 1-3/4 inch doors. The Falcon MA101 is a Grade 1 heavy-duty mortise passage lock that is field reversible and fire rated. Hager offers passage in both trim styles: the 3810S with rose and the 3810E with escutcheon, both 2-3/4 inch backset for 1-3/4 to 2-1/2 inch doors.
8) The opening needs to be keyed, not privacy. What takes the place of the BEST 45H here?
The BEST 45H privacy configuration is non-keyed, so a keyed opening needs a different function. For a storeroom door, the Accentra 8805FL is a Grade 1 storeroom mortise lock with Arcadia lever, and the Cal-Royal NM8080 is a Grade 1 storeroom mortise lockset offered with an interchangeable core option, which suits shops already running small format cores. For a classroom door, the Corbin Russwin ML2003 and the Cal-Royal NM8070 are both Grade 1 classroom mortise locksets for 1-3/4 inch doors. For an office door, the Cal-Royal NM8050 is a Grade 1 office/entrance mortise lockset with auxiliary deadlatch.
9) For a behavioral health or patient room, is the BEST 45H the right choice or is there a better option?
For ligature-resistant openings, the TownSteel MRX-L-01 and MRX-A-01 are Grade 1 heavy duty passage mortise locksets built as anti-ligature lever and arch trim in stainless steel, and the Marks USA 5PDN is a Grade 1 hospital passage mortise push/pull paddleset described as ligature resistant and ADA compliant in satin stainless steel. Those are passage function. The BEST 45H privacy version is a heavy duty commercial mortise lock available in 626AM and 630AM antimicrobial finishes, which is the healthcare angle it covers.
10) Will a Baldwin 6301 mortise lock body drop into the same prep as the BEST 45H?
No. The Baldwin 6301 entry/apartment mortise lock body uses a 2-1/2 inch backset, while the BEST 45H is built on a 2-3/4 inch backset, so the cylinder and knob centerlines do not line up in the same mortise pocket. The Baldwin 6301 is also an entrance/apartment function rather than privacy, and is listed for doors 1-3/4 inch and over. If you are matching an existing 2-3/4 inch commercial prep, stay with a 2-3/4 inch backset lock.
11) What trim and lever choices do I pick from on the BEST 45H rose trim privacy lock?
Three decisions go on the order. Trim style: H rose 2-3/4 inch flat, R rose 2-3/4 inch concave, or S rose 3-1/2 inch flat. Lever style: 12 solid tube with no return, 3 solid tube with return, 4 round knob, Contour with angle return, Curved with return, Curved without return, or Gull Wing. Then finish. Levers with a return are the ones most school and healthcare specs ask for.
12) Does BEST offer an antimicrobial finish on the 45H for a healthcare job?
Two of them. 626AM is satin chrome with the UltraShield antimicrobial coating, 630AM is satin stainless with the same coating. BEST recommends UltraShield wherever cleanliness is a priority, hospital and elderly care, education, transportation, food service and hospitality. The coating inhibits growth of bacteria and other microbes on the hardware surface.
13) What else is in the same class if the BEST 45H privacy lock is not the right fit?
For Grade 1 privacy in a mortise case, the Cal-Royal NM8440 is a heavy duty Grade 1 privacy mortise lockset with deadbolt listed for 1-3/4 inch doors, and the Hager 3840S is a Grade 1 privacy mortise lock on a 2-3/4 inch backset for 1-3/4 to 2 inch doors, so it covers a slightly thicker door than the Hager privacy alternative would suggest at a glance. If you need credential control instead of a thumbturn, the Schlage CO-100 mortise is a Grade 1 privacy function with a keypad reader.
14) I need a passage or storeroom function, not privacy. What should I be looking at instead?
The 45H LT is privacy only, so it is the wrong function for a corridor or a supply room. For passage, the Falcon MA101 is a Grade 1 heavy duty field reversible mortise passage lock and the Schlage PM010 is a Grade 1 non-keyed passage mortise latch. For storeroom, look at the Cal-Royal NM8080 (Grade 1, interchangeable core option) or the Accentra 8805FL in the 8800 Series. For classroom, the Corbin Russwin ML2003.
15) Can I use an electronic privacy lock instead of the mechanical BEST 45H?
Yes, if you want code-based control on the same mortise prep. The Schlage CO-100 standalone electronic mortise lock is a Grade 1 heavy duty privacy function lock with a keypad reader for 1-3/4 inch doors. The Schlage Electronics LEBMB-ADD is a Grade 2 mobile-enabled mortise lock covering privacy, office and apartment functions on 1-3/4 inch doors with a 3 hour fire rating. The BEST 45H is a non-electronic mechanical lock, so the electronic peers add power and programming that the 45H does not require.
16) Is a Sargent 4874 mortise deadbolt a substitute for the BEST 45H privacy lock?
No. The Sargent 4874 is a double cylinder mortise deadbolt with a 2-3/4 inch backset, so it provides bolt-only security with no latch and no lever operation. The BEST 45H privacy configuration is a complete mortise lockset with rose trim and lever or knob styles including curved with return, gull wing and round knob. A deadbolt like the 4874 or the Kaba Ilco 185 deadbolt would be added alongside a latching lock, not in place of one.
17) What should I order if I need matching non-functional trim on an inactive leaf next to a BEST 45H opening?
Use a dummy trim rather than a lockset. The Schlage L0170 is a Grade 1 mortise non-keyed half dummy lever trim, heavy duty, for 1-3/4 inch doors. Emtek offers dummy mortise entrance locksets in decorative patterns such as the 3102 Memphis, 3104 Hamilton, 3106 Manhattan and 3019 Brisbane brass. The BEST 45H privacy lock is a working latching lock, so it is the wrong part for a leaf that never operates.
18) Is there a cylindrical alternative if I do not want to mortise the door?
Yes. The Schlage PC10 is a Grade 1 passage cylindrical lock, non-keyed with rose, for 1-3/4 inch doors, and it bores into the door rather than requiring a mortise pocket. Note that it is passage function, so it does not lock; the BEST 45H is a mortise lock with privacy function and rose trim, which needs the full mortise cavity routed but gives you the privacy locking the cylindrical passage lock does not.
19) My spec calls for escutcheon trim, not rose. What are my options against the BEST 45H?
The BEST 45H privacy configuration uses rose trim, offered as H 2-3/4 inch flat, R 2-3/4 inch concave, and S 3-1/2 inch flat. If the drawing calls for a full escutcheon plate, the Hager 3810E is a Grade 1 passage mortise lock with escutcheon on a 2-3/4 inch backset, and the Hager 3850E is a Grade 1 non-keyed office mortise lock with lever and escutcheon, also 2-3/4 inch backset, both for doors 1-3/4 inch to 2-1/2 inch. The Marks USA LA318GJ classroom security indicator mortise lockset uses a steel escutcheon measuring 8-1/2 inch H by 2-3/4 inch W by 7/16 inch.
20) What mortise lock should I use on a dorm or corridor door instead of the BEST 45H privacy function?
The Sargent 7925 is a Grade 1 heavy duty corridor/dormitory function mortise lock with rose trim and a single cylinder deadbolt, which matches the rose trim style of the BEST 45H while providing the dormitory exit function a corridor opening needs. The BEST 45H privacy configuration is non-keyed, so it is intended for restrooms and similar doors rather than a keyed corridor entry.
21) I need access control on this opening. What mortise lock replaces the BEST 45H?
Several credential-based mortise locks fit the same door type. The TownSteel FME-2000 is a Grade 1 heavy duty classroom mortise lockset with RFID for 1-3/4 inch doors, and the FME-4000 adds electronic intruder classroom function. The Dormakaba Saffire LX-I-M002 is an electronic RFID mortise lockset with BLE mobile access at BHMA Grade 2. For a wired opening, the Command Access ML190 is a heavy-duty motorized storeroom mortise lock with field selectable fail safe or fail secure operation on 24VDC. The BEST 45H is mechanical and non-electronic by comparison.
22) What finishes does the BEST 45H come in, and which ones change appearance over time?
Fourteen: 605 bright brass, 606 satin brass, 611 bright bronze, 612 satin bronze, 613 oil rubbed satin bronze, 618 bright nickel, 619 satin nickel, 622 matte black, 625 bright chrome, 626 satin chrome, 626AM, 629 in the catalog as bright stainless, 630 satin stainless, 630AM, and 690 statuary dark bronze. Note 613 is meant to wear to an antique look, and 690 stays a dark brown. If you are matching existing openings across a building, 626 and 630 are the stable commercial choices.
23) Is the BEST 45H an electronic or access control lock?
No, it is a purely mechanical heavy duty mortise lock. Nothing electrified, no reader, no wiring in the door. If the opening needs credentials or audit trail, that is a different product entirely, the TownSteel FME-2000 Grade 1 RFID mortise or the Dormakaba E-Plex 2066 pushbutton keyless mortise are examples of what to look at instead.
24) Is a Sargent 130KB thumbturn an alternative to the BEST 45H privacy lock?
No. The Sargent 130KB and 130W are standard duty mortise thumbturns, trim components that mount to a lock body, not complete locksets. The BEST 45H is a heavy duty mortise lock with a full case, latchbolt and rose trim. If you only need to replace a worn thumbturn on an existing Sargent lock, those parts apply; if you are locking a door from scratch, you need the complete lockset.
How fast can I get the BEST 45H0LT14H626 delivered?
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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 BEST 45H0LT14H626 come with a warranty?
Absolutely. The BEST 45H0LT14H626 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 BEST 45H0LT14H626?
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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