BEST 45H Series Heavy Duty Mor...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,513.00
$1,001.12
BEST BEST 45H Series (C - Entrance Function) - Escutcheon Trim Heavy Duty Mortise Lock, Double Keyed BES-45H-C-ES

BEST 45H Series Heavy Duty Mortise Lock with Entrance Function and Escutcheon Trim

(No reviews yet) Write a Review

Model: 45H7C3J618
$1,513.00
$1,001.12
Selected Finish is
Selected Lever Style is
Selected Trim Style is

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

$1,513.00
$1,001.12
Adding to cart… The item has been added
Free Shipping on orders over $99
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

BEST 45H Series Heavy Duty Mortise Lock with Entrance Function and Escutcheon Trim

Professional-Grade Commercial Mortise Lock Solution

The BEST 45H Series Heavy Duty Mortise Lock delivers commercial-grade security with entrance function operation and double cylinder keying. Featuring a 2-3/4" backset and 8" H x 1-1/4" W x 1/16" T stainless steel faceplate, this mortise lock is engineered from 0.095" cold rolled steel for exceptional durability. ANSI A156.13 Series 1000 Grade 1 Operation and Strength certified with Grade 2 Security rating for demanding commercial applications.

Professional Features & Benefits

  • Heavy-Duty Steel Construction: 0.095" cold rolled steel case, cover, and armored front provide superior strength and durability 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.
  • 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.
  • ANSI Grade 1 Certified: Meets ANSI A156.13 Series 1000 Grade 1 Operation and Strength with Grade 2 Security rating for commercial applications.
  • Cylinder Security Features: Solid machined cylinder rings with wavy washer provides resistance to wrenching, plus cylinder security screw prevents removal without first removing interchangeable core.

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 product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
  6. Test device operation to verify proper function 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 solid stainless steel components rated for demanding commercial applications. ANSI A156.13 Series 1000 Grade 1 certification ensures consistent performance and durability. Engineered for high-traffic commercial environments where dependable security and smooth operation are essential.

Product Specs

Series:
45H
Standard Cylinder:
SFIC Prep Less Core
Duty Level:
Heavy Duty
Keyed Function:
Double 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:
Entrance
Product Attribute:
Mortise Locks
Electronic:
No
Product Function:
Entrance/Office
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 45H7C3J618 – Frequently Asked Questions

1) What is the entrance function on this 45H series mortise lock?
Entrance function allows key operation from outside and thumb turn from inside. Outside lever is always locked and requires key entry. Inside lever is always free for egress. Common for front doors and secure entrances.
2) What door thickness does this heavy duty mortise lock accommodate?
Standard mortise locks typically fit 1-3/4" to 2-1/4" door thickness. Verify your door thickness and check manufacturer specifications for exact compatibility. Trim kits may be available for thicker doors.
3) How do I determine left hand or right hand for this mortise lock?
Stand outside the door. If hinges are on your right, it's right hand. If hinges are on your left, it's left hand. Order the correct handing as mortise locks are not field reversible.
4) What grade rating does this heavy duty mortise lock meet?
Heavy duty mortise locks typically meet ANSI Grade 1 commercial standards. Grade 1 provides highest security and durability for high-traffic applications. Verify specific grade rating in product specifications.
5) What finishes are available for the escutcheon trim?
Common finishes include satin chrome, bright chrome, oil rubbed bronze, and satin brass. Finish availability varies by manufacturer. Check product options or contact for specific finish availability.
6) Does this lock meet commercial building code requirements?
Grade 1 mortise locks typically meet IBC and ADA requirements for commercial applications. Inside lever provides free egress as required by fire codes. Verify with local authority having jurisdiction for specific code compliance.
7) What mortise preparation is required for installation?
Requires standard mortise pocket typically 4-1/2" x 1" x 2-3/4" deep. Also needs holes for cylinder, lever spindle, and thumb turn. Use manufacturer template for precise measurements and drilling locations.
8) Are replacement cylinders available for this mortise lock?
Yes, mortise cylinders are replaceable and available in various keyways. Common types include SFIC, standard mortise, and high security cylinders. Match thread length to lock body requirements.
9) How do I adjust the latch bolt on this mortise lock?
Latch bolt typically adjusts via screws in the lock body. Remove lock from door for access. Adjust deadlocking plunger and latch bolt extension as needed. Refer to manufacturer instructions for specific adjustment procedures.
10) What accessories are available for the 45H series?
Common accessories include different lever designs, escutcheon plates, cylinders, and trim kits. Door position switches and electric strike compatibility may be available. Check with manufacturer for complete accessory list.
11) Can this mortise lock be used on exterior doors?
Yes, heavy duty mortise locks are designed for exterior applications. Choose appropriate finish for weather exposure. Ensure proper weatherstripping and door preparation to protect internal mechanisms from moisture.
12) What is the backset measurement for this mortise lock?
Standard mortise locks use 2-3/4" backset from door edge to lever center. Some models offer 2-3/8" backset option. Measure existing preparation or check door specifications before ordering.
How fast can I get the BEST 45H7C3J618 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 45H7C3J618 come with a warranty?
Absolutely. The BEST 45H7C3J618 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 45H7C3J618?
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 45H7C3J618 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.
!