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

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

Professional Grade Mortise Lock for Commercial Security Applications

The BEST 45H Series Heavy Duty Mortise Lock delivers commercial-grade security with classroom function operation and escutcheon trim design. This single cylinder mortise lock features a 2-3/4" backset, solid stainless steel construction, and meets ANSI A156.13 Grade 1 Operation and Strength standards. The lock accommodates doors 1-3/4" thick with an 8" H x 1-1/4" W x 1/16" T stainless steel faceplate for professional installation requirements.

Professional Features & Benefits

• Heavy-Duty Construction: 0.095" cold rolled steel case with zinc dichromate plating provides exceptional durability and corrosion resistance for demanding commercial applications.
• Enhanced Security Design: Solid one-piece stainless steel anti-friction latch offers 50% more surface contact with strike for superior strength and security performance.
• Grade 1 Performance: Meets ANSI A156.13 Series 1000 Grade 1 Operation and Strength standards with Grade 2 Security rating for professional applications.
• Reversible Operation: Field-reversible latch rotates 180 degrees for easy handing changes without opening the case, plus non-handed cylinder retainer for installation flexibility.
• Precision Engineering: Roller bearing hub mechanism and lever return spring in trim provide smooth operation with enhanced protection against lever droop.
• Armored Front Protection: Complete latch and deadbolt protection with staked assembly design that self-aligns with door bevel during installation.
• Antimicrobial Options: Available with UltraShield antimicrobial protected coating (626AM and 630AM finishes) for healthcare and high-cleanliness applications.
• Comprehensive Specifications: 1" throw stainless steel deadbolt, 3/4" throw latchbolt, and non-handed stainless steel auxiliary bolt for complete security coverage.

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

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

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 through four-corner screw design ensure dependable performance where security and durability are essential. Multiple finish options including antimicrobial coatings provide solutions for specialized environments requiring enhanced cleanliness standards.