BEST 45H Series Heavy Duty Mor...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,358.00
$873.33
BEST BEST 45H Series (T - Dormitory Function) - Rose Trim Heavy Duty Mortise Lock, Single Keyed BES-45H-T-RS

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

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Model: 45H7TD3H626
$1,358.00
$873.33
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,358.00
$873.33
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BEST 45H Series Heavy Duty Mortise Lock with Dormitory Function and Rose Trim

Professional Grade Mortise Lock for Commercial Dormitory Applications

The BEST 45H Series Heavy Duty Mortise Lock delivers commercial-grade security with dormitory function operation and rose trim configuration. Engineered with a 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. The lock case is manufactured from 0.095" cold rolled steel for exceptional strength and meets ANSI A156.13 Series 1000 Grade 1 Operation and Strength standards.

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 corrosion protection and maximum durability.
  • Armored Front Protection: Completely surrounds latch and deadbolt providing increased lateral strength with staked assembly design for self-alignment during installation.
  • Roller Bearing Hub Mechanism: Provides smooth, wear-resistant operation with four position hub toggle design for easy handing changes without opening case.
  • Enhanced Case Integrity: Four case cover screws at each corner plus interlocking armored front and cover design at the latch for superior structural strength.
  • Reversible Latch Operation: Rotates 180 degrees for easy handing change without opening case with non-handed cylinder retainer for installation flexibility.
  • Self-Aligning Trim Mechanism: Enables fast, easy, and accurate installation with lever return spring mechanism located in trim for enhanced protection against lever droop.
  • ANSI Grade 1 Compliance: Meets ANSI A156.13 Series 1000 Grade 1 Operation and Strength standards for demanding commercial 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), mortise pocket dimensions, and handing requirements.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for the 2-3/4" backset configuration.
  3. Prepare door mortise pocket and frame strike pocket according to specifications, ensuring proper clearance for the 8" H x 1-1/4" W faceplate and armored front assembly.
  4. Install lock case into door mortise with armored front self-aligning to door bevel, then secure with appropriate fasteners per manufacturer torque specifications.
  5. Install rose trim with self-aligning mechanism and adjust four position hub toggle for desired operation (always locked, always unlocked, or locked by key).
  6. Test lock operation including latch throw (3/4"), deadbolt throw (1"), and lever return function to verify proper alignment and smooth operation. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Student Housing and Dormitory Facilities
  • Apartment and Multi-Unit Residential Buildings
  • Educational Institution Housing
  • Extended Stay and Hospitality Properties
  • Healthcare Facility Patient Rooms
  • Senior Living and Assisted Care Facilities
  • Commercial Building Private Offices

Antimicrobial Finish Options

BEST UltraShield antimicrobial protected coating available in 626AM (satin chrome) and 630AM (satin stainless steel) finishes. The UltraShield finish inhibits the growth of bacteria and other microbes on hardware surfaces, recommended for healthcare, elderly care, education, transportation, food service, and hospitality applications where product cleanliness is a high priority.

Why Choose BEST Quality?

BEST 45H Series mortise locks deliver professional-grade reliability with 0.095" cold rolled steel construction and solid stainless steel components engineered for demanding commercial applications. The precision roller bearing hub mechanism and enhanced case integrity design with four corner screws ensure dependable performance in high-traffic dormitory and residential environments. ANSI Grade 1 compliance and multiple finish options including antimicrobial coatings provide the durability and hygiene standards required for institutional applications.

Product Specs

Series:
45H
Standard Cylinder:
SFIC Prep Less Core
Duty Level:
Heavy Duty
Keyed Function:
Single Cylinder
Product Group:
Mechanical Locks
Product Subgroup:
Mortise Locks and Trim
Product Type:
Mortise Locks
Subcategory:
Mortise
Keyed:
Yes
Commercial/Residential:
Commercial
Lock Type:
Mortise
Lock Function:
Dormitory
Product Attribute:
Mortise Locks
Electronic:
No
Product Function:
Apartment/Dormitory
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 45H7TD3H626 – Frequently Asked Questions

1) What does dormitory function do on the BEST 45H mortise lock?
Dormitory function on the BEST 45H means the outside lever is controlled by the key and the deadbolt is thrown by key outside or by the inside turn. The four position hub toggle lets you set the outside lever always locked, always unlocked, or locked by key, so the same lock can serve a student room that needs to latch behind the occupant or a corridor door that stays free during the day. It is a single cylinder configuration, with the cylinder on the outside only.
2) Does the 45H come with a cylinder core, or do I order the core separately?
It ships prepped for a small format interchangeable core, less core. You supply the SFIC core in your own keyway and keying system, which is how most facilities standardize a dorm or apartment building on one master key. Note the security grading: the 45H is Grade 1 for operation and strength but Grade 2 security as standard. To reach Grade 1 security you need a drill resistant core (1CD, 1CDP, 1CDF or 1CDX) with escutcheon trim, or the 1EK7K4 high security cylinder with sectional trim.
3) Is the BEST 45H handed, or can I change the hand in the field?
Non-handed in practice. The stainless latchbolt rotates 180 degrees for a handing change without opening the case, the four position hub toggle handles the function setting the same way, the auxiliary bolt is non-handed, and the cylinder retainer is non-handed as well. That means one lock on the shelf covers left and right hand openings, which matters when you are maintaining a building full of doors.
4) Will the 45H latch and deadbolt into my existing ANSI mortise strike?
The latchbolt throws 3/4 inch and the deadbolt throws a full 1 inch, so it needs a strike with a deadbolt pocket deep enough for a 1 inch bolt, not a latch-only strike. Faceplate is 8 x 1-1/4 x 1/16 inches and adjusts to the door bevel automatically during installation, so it drops into a standard mortise faceplate cutout of those dimensions. If you are replacing a latch-only mortise lock, plan on frame work for the deadbolt.
5) We are specifying apartment entry doors, not dorm rooms. Is there a mortise lock better suited than the BEST 45H?
The BEST 45H dormitory function is catalogued for apartment and dormitory use, so it suits multi-family entries directly. If the opening is a residential-style door taking a 2-1/2 inch backset instead of the 2-3/4 inch backset the 45H uses, the Baldwin 6301 entry/apartment mortise lock body is offered in a 2-1/2 inch backset in both knob by knob and lever by lever (6301LS) versions, for doors 1-3/4 inch and over.
6) We want keypad or credential access on dorm room doors instead of a key. What replaces the BEST 45H?
The BEST 45H is a mechanical, non-electronic mortise lock. For credential access on a mortise prep, the Schlage CO-100-MS standalone electronic mortise lock with keypad reader is Grade 1 heavy duty for 1-3/4 inch doors, the TownSteel FME-2000 is a Grade 1 heavy duty mortise lockset with RFID for 1-3/4 inch doors, and the Dormakaba E-Plex E5086 is a Grade 1 pushbutton and card mortise lock. Confirm the function you need on each, since those models are catalogued under privacy, classroom, and entry/egress rather than dormitory.
7) What trim and lever choices do I have to specify when ordering a 45H rose trim lock?
Three rose options: H flat 2-3/4 inch, R concave 2-3/4 inch, and S flat 3-1/2 inch. The larger 3-1/2 inch rose is useful when you are covering up wear or old prep marks around the hub. Lever and knob choices are 12 solid tube with no return, 3 solid tube with return, 4 round knob, Contour with angle return, Curved with return, Curved without return, and Gull Wing. Levers with a return are the usual pick for commercial corridors. The lever return spring sits in the trim, which is what keeps levers from drooping over time.
8) Which 45H finish should I use in a hospital or senior living building?
For patient rooms and care environments BEST offers UltraShield antimicrobial coatings in 626AM satin chrome and 630AM satin stainless steel, which inhibit bacterial and microbial growth on the hardware surface. If antimicrobial is not required, satin stainless 630 and satin chrome 626 are the usual institutional picks. The full finish range also includes 605 bright brass, 606 satin brass, 611 bright bronze, 612 satin bronze, 613 oil rubbed, 618 bright nickel, 619 satin nickel, 622 matte black, 625 bright chrome, 629 bright stainless and 690 dark bronze. Note 613 is meant to wear to an antique look over time.
9) Is the BEST 45H ADA compliant for lever operation?
BEST states that the design and operation of the 45H mortise lock meets the intent of ANSI A117.1 section 404.2.6, the accessibility requirement covering door hardware operation. Pair it with one of the lever trims rather than the 4 round knob if accessibility is the driver, since a knob is not an accessible operating device.
10) I need a classroom or storeroom function instead of dormitory. What else do you have in a Grade 1 mortise lock?
Dormitory is not the right function if the door must stay locked outside at all times or be lockable only from the corridor. For storeroom, look at the Accentra 8805FL Grade 1 in the 8800 Series or the Cal-Royal NM8080. For classroom, the Corbin Russwin ML2003 and the Cal-Royal NM8070 are both Grade 1 mortise classroom locks listed for 1-3/4 inch doors. For office/entrance, the Cal-Royal NM8050. All are mortise bodies, so the door prep stays the same type of pocket.
11) Can I get the 45H with a keypad or card reader for student housing?
No. The 45H is a mechanical lock with no electronic option. If you want credential-based access on a dormitory or apartment door, look at electronic mortise locks such as the Schlage LE Series LEBMB-ADD, which lists privacy, office and apartment functions, the TownSteel FME-2000 Grade 1 RFID mortise lockset, or the Dormakaba E-Plex 2066 pushbutton keyless mortise lock. Keep the 45H where a keyed mechanical lock on your existing SFIC system is what the job calls for.
12) Is the BEST 45H tough enough for a high traffic apartment building entry?
It is built for that duty. Case, cover and armored front are 0.095 inch cold rolled steel with zinc dichromate plating for corrosion resistance, the armored front wraps both latch and deadbolt for lateral strength, and there are four case cover screws, one at each corner, plus an interlocking front and cover at the latch. The hub runs on roller bearings, and the solid one-piece stainless anti-friction latch gives 50 percent more surface contact with the strike. It meets ANSI A156.13 Series 1000 Grade 1 for operation and strength.
13) Does the 45H come with a strike, and what else do I need to complete the install?
You will need three things settled before the lock works on the door: the SFIC core, since the lock is supplied prepped less core; the strike package, which BEST specifies separately from the lock body; and the door thickness call-out if the door is anything other than 1-3/4 inches. Trim is part of the lock selection itself, rose style plus lever or knob style. Templates for the 2-3/4 inch backset prep come from the manufacturer documentation.
14) The door only needs to stay locked from the outside at all times with key entry. Do we need the dormitory function of the BEST 45H?
No. A storeroom function is the simpler choice when the outside lever is always locked and key entry is the only way in. The Accentra 8805FL is a Grade 1 storeroom mortise lock from the 8800 Series, and the Cal-Royal NM8080 is a Grade 1 storeroom mortise lockset for 1-3/4 inch doors with an interchangeable core option. The BEST 45H dormitory function adds the ability to set the lock always locked, always unlocked, or locked by key, which is what a dorm or apartment entry typically wants.
15) Is a Cal-Royal NM8050 or NM8070 a drop-in substitute for the BEST 45H dormitory lock?
They are Grade 1 mortise locksets for 1-3/4 inch doors like the standard BEST 45H configuration, but the functions differ. The NM8050 is office/entrance and the NM8070 is classroom, while the 45H is dormitory function with a single cylinder key. Swapping in either changes how the opening behaves for residents, so match the function first. The 45H also ships prepped for a small format interchangeable core less core if the property is keyed on SFIC.
16) Can I use a Schlage PM010 or L0170 on the same opening as a BEST 45H dormitory lock?
Only if the opening does not need to be keyed. The Schlage PM010 is a Grade 1 non-keyed passage latch mortise lock and the L0170 is a Grade 1 heavy duty half dummy trim with no latching at all, both for 1-3/4 inch doors. The BEST 45H is keyed with a single cylinder and includes a 1 inch throw stainless deadbolt, so neither one provides the security an apartment or dorm entry needs.
17) Our doors are 1-5/8 to 1-7/8 inch thick. Will the BEST 45H fit, or should we look at something else?
The standard BEST 45H configuration is designed for 1-3/4 inch doors, with a thick door configuration available for doors up to 5 inch when the thickness is specified at order. If you need a lock rated across a 1-5/8 to 1-7/8 inch band, the Alarm Lock DL2700CR and DL3500CR Trilogy electronic mortise locks are Grade 1 classroom function over that thickness range, though they are keypad locks rather than a keyed mechanical dormitory lock.
18) For a behavioral health or patient room, is the BEST 45H the right mortise lock?
The BEST 45H is offered with UltraShield antimicrobial finishes in 626AM satin chrome and 630AM satin stainless steel, which BEST recommends for healthcare and elderly care, and it uses lever or knob trim. If the room requires anti-ligature trim, the TownSteel MRX-L-01 is a Grade 1 heavy duty anti-ligature lever mortise lockset and the MRX-A-01 is a satin stainless ligature resistant arch trim version, both passage function for 1-3/4 inch doors. The Marks USA 5PDN is a Grade 1 ligature resistant hospital passage push/pull paddleset.
19) The opening needs classroom security function rather than dormitory. What takes the place of the BEST 45H?
For classroom function on a mortise prep, the Corbin Russwin ML2003 is a Grade 1 mortise classroom lockset for 1-3/4 inch doors, and the Marks USA LA318GJ is a Grade 1 classroom security indicator mortise lockset with an ANSI strike and an 8-1/2 inch H x 2-3/4 inch W steel escutcheon. Note the escutcheon on the Marks unit against the BEST 45H, which uses rose trim in 2-3/4 inch flat, 2-3/4 inch concave, or 3-1/2 inch flat.
20) We need the outside lever controlled electrically from an access control panel on a dorm corridor. What do we use instead of the BEST 45H?
The BEST 45H is a mechanical lock with no electrical option. For a powered mortise lock on that opening, the Schlage L9092EU with 03A trim is a heavy duty corridor function mortise lock for 1-3/4 inch doors, keyed outside, with request to exit and 12/24VDC operation. The Command Access ML190 is a heavy duty motorized mortise lock with field selectable fail safe or fail secure operation on 24VDC in storeroom function.
21) Is a Hager 3800 Series mortise lock the same thing as a BEST 45H?
They share the 2-3/4 inch backset, but the functions are different. The Hager 3810S and 3810E are Grade 1 passage mortise locks, the 3840S is privacy, and the 3850E is a non-keyed office function with lever and escutcheon. The BEST 45H is keyed dormitory function with a single cylinder. Hager also lists a 1-3/4 to 2-1/2 inch door thickness range on the 3810 models, while the standard BEST 45H is built for 1-3/4 inch doors with a separate thick door configuration up to 5 inch.
22) What is the difference between the BEST 45H and the 47H?
Security grading. The 45H carries ANSI A156.13 Series 1000 Grade 1 for operation and strength with Grade 2 security, and gets to Grade 1 security only with a drill resistant core or the 1EK7K4 high security cylinder. The 47H is rated Grade 1 for operational, strength and security as supplied. If a spec sheet calls for Grade 1 security outright, the 45H needs the upgraded cylinder to satisfy it.
23) Is the Sargent 4874 mortise deadbolt an alternative to the BEST 45H dormitory lock?
No. The Sargent 4874 is a double cylinder mortise deadbolt with a 2-3/4 inch backset and no latch or lever operation. The BEST 45H is a complete dormitory mortise lockset with rose trim, a 3/4 inch throw stainless latchbolt, a 1 inch throw deadbolt, and a single cylinder key. A 4874 would be used where you only need a separate deadbolt, not where the opening needs a latching lever set.
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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 45H7TD3H626 come with a warranty?
Absolutely. The BEST 45H7TD3H626 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 45H7TD3H626?
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