BEST 45H Series Heavy Duty Mor...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,369.00
$812.66
BEST BEST 45H Series (D - Storeroom Function) - Rose Trim Heavy Duty Mortise Lock, Single Keyed BES-45H-D-RS

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

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Model: 45H7D3H626
$1,369.00
$812.66
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,369.00
$812.66
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BEST 45H Series Heavy Duty Mortise Lock with Storeroom Function and Rose Trim

Professional Grade Mortise Lock for Commercial Security Applications

The BEST 45H Series Heavy Duty Mortise Lock delivers commercial-grade security with storeroom function and rose trim configuration. Featuring a 2-3/4" backset and ANSI A156.13 Grade 1 operation and strength certification, this mortise lock is engineered with 0.095" cold rolled steel construction for demanding commercial applications. The solid one-piece stainless steel anti-friction latch provides 50% more surface contact with strike for superior strength and security.

Professional Features & Benefits

  • Heavy-Duty Steel Construction: 0.095" cold rolled steel case, cover, and armored front provide exceptional durability and strength for high-traffic commercial environments.
  • Enhanced Latch Design: Solid one-piece stainless steel anti-friction latch offers 50% more surface contact with strike for superior strength and security with precision-engineered curve for enhanced cycle life.
  • Grade 1 Performance: ANSI A156.13 Series 1000 Grade 1 Operation and Strength certification ensures reliable performance in demanding commercial applications.
  • 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.
  • Roller Bearing Mechanism: Roller bearing hub mechanism provides smooth, wear-resistant operation with lever return spring mechanism in trim for enhanced protection against lever droop.
  • Armored Front Protection: Completely surrounds latch and deadbolt providing increased lateral strength with staked assembly design for self-alignment during installation.
  • Enhanced Case Integrity: Four case cover screws at each corner plus interlocking armored front and cover design at the latch for maximum structural integrity.
  • Antimicrobial Finish Options: Available with UltraShield antimicrobial protected coating (626AM, 630AM) for healthcare, education, and food service applications where cleanliness is priority.

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 proper backset alignment.
  3. Prepare door mortise pocket and frame strike pocket according to specifications, ensuring proper clearances for latch and deadbolt operation.
  4. Install mortise lock case into door pocket and secure with provided screws, utilizing the self-aligning trim mechanism for accurate positioning.
  5. Install strike and strike box assembly in frame, ensuring proper alignment with latch and deadbolt for smooth operation.
  6. Test lock operation including latch retraction, deadbolt extension, and key function to verify proper installation 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 0.095" cold rolled steel construction and ANSI A156.13 Grade 1 certification for demanding commercial applications. The solid stainless steel anti-friction latch and roller bearing hub mechanism provide enhanced cycle life and smooth operation. Engineered for demanding commercial applications where dependable security and long-term performance are essential.

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:
Storeroom
Product Attribute:
Mortise Locks
Electronic:
No
Product Function:
Storeroom
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 45H7D3H626 – Frequently Asked Questions

1) What is the storeroom function on this 45H Series mortise lock?
Storeroom function keeps the outside lever always locked. Entry requires a key from outside. Inside lever always operates freely for egress. Common for storage rooms, maintenance areas, and restricted access spaces.
2) What door thickness does this heavy duty mortise lock fit?
Standard mortise locks typically fit 1-3/4" to 2-1/4" thick doors. Verify your door thickness and consult the manufacturer's template for exact specifications. Thicker doors may require extended cylinders or longer screws.
3) How do I determine the handing for this mortise lock?
Stand on the side where hinges are not visible. If hinges are on your left, it's left-hand. If on your right, it's right-hand. Most mortise locks are field reversible, but verify the specific model requirements.
4) What finishes are available for the 45H Series rose trim?
Commercial mortise locks typically offer satin chrome, polished chrome, satin brass, and bronze finishes. Check the specific product listing for available options. Match existing hardware finishes for consistent appearance.
5) What grade rating does this heavy duty mortise lock have?
Heavy duty mortise locks are typically Grade 1 or Grade 2 rated per ANSI/BHMA standards. Grade 1 offers highest security and durability for critical applications. Verify the specific grade rating for your security requirements.
6) Does this lock meet fire door code requirements?
Many mortise locks are approved for fire-rated doors when properly installed. Check for UL listing and fire rating labels. Consult your local code official and fire door manufacturer for specific compliance requirements.
7) What cylinder type does this single keyed lock use?
Mortise locks typically use threaded mortise cylinders. Single keyed means one keyed cylinder on outside only. Inside has thumb turn or blank plate. Cylinders are usually sold separately from lock body.
8) What tools are needed to install this mortise lock?
Installation requires mortise template, drill, mortise chisel set, hole saw, and basic hand tools. A mortise jig speeds installation. Follow manufacturer's template exactly for proper fit and function.
9) How do I adjust the latch on this mortise lock?
Most mortise locks have adjustable latch bolts and deadbolts. Remove trim to access adjustment screws. Adjust for proper door alignment and strike plate engagement. Some models offer field-adjustable backset.
10) What other 45H Series functions are available?
The 45H Series typically includes classroom, office, entrance, privacy, and passage functions. Each serves different access control needs. Browse our mortise locks section for the complete range.
11) Can this lock handle heavy commercial doors?
Heavy duty mortise locks are designed for high-frequency commercial use. Verify door weight capacity and hinge strength. Proper installation and quality hardware ensure reliable operation under demanding conditions.
12) What is the standard backset measurement for mortise locks?
Standard mortise lock backset is 2-3/4". Some models offer 2-3/8" or adjustable backsets. Measure from door edge to center of cylinder hole. Incorrect backset affects lever alignment and operation.
How fast can I get the BEST 45H7D3H626 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 BEST 45H7D3H626 come with a warranty?
Absolutely. The BEST 45H7D3H626 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 45H7D3H626?
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 BEST 45H7D3H626 from ZenSupply?
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