BEST 45H Series Heavy Duty Mortise Lock Body - Public Entrance Function with Field Reversible Operation

BEST 45H Series Heavy Duty Mortise Lock Body - Public Entrance Function with Field Reversible Operation

Professional-Grade Mortise Lock Solution for Commercial Applications

The BEST 45H Series mortise lock body delivers heavy-duty performance for public entrance applications with field reversible operation. This lock body only configuration features a 2-3/4" backset, 1" deadbolt throw, and 3/4" latchbolt throw in a robust case measuring 5-7/8" H x 7/8" D x 4-1/16" W. Manufactured from 0.095" cold rolled steel with zinc dichromate plating for corrosion protection, this ANSI A156.13 Grade 1 Operation and Strength rated lock meets ANSI A117.1 accessibility standards.

Professional Features & Benefits

• Heavy-Duty Steel Construction: 0.095" cold rolled steel case, cover, and armored front provide exceptional strength and durability for demanding commercial applications.
• Field Reversible Design: Reversible latch rotates 180 degrees for easy handing change without opening the case, with four position hub toggle for flexible configuration.
• Enhanced Security Features: Solid one-piece stainless steel anti-friction latch provides 50% more surface contact with strike for superior strength and security.
• Precision Engineering: Roller bearing hub mechanism provides smooth, wear-resistant operation with enhanced cycle life and reduced strike wear.
• Reinforced Construction: Armored front completely surrounds latch and deadbolt providing increased lateral strength with self-aligning installation capability.
• Professional Grade Rating: ANSI A156.13 Series 1000, Grade 1 Operation and Strength, Grade 2 Security certification for commercial applications.
• Accessibility Compliance: Meets ANSI A117.1 section 404.2.6 accessibility standards for universal design requirements.
• Anti-Microbial Options: Available with UltraShield antimicrobial protected coating (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 body.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for the 8" H x 1-1/4" W faceplate.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for the 2-3/4" backset configuration.
4. Install all mounting hardware and secure the lock body to door per manufacturer torque specifications using the four case cover screws and interlocking armored front design.
5. Adjust operational components including the four position hub toggle for proper alignment, latching, and smooth operation of the 1" deadbolt throw and 3/4" latchbolt throw.
6. Test lock body 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 lock bodies deliver professional-grade reliability with 0.095" cold rolled steel construction and precision-engineered components rated for ANSI A156.13 Grade 1 performance standards. The solid one-piece stainless steel anti-friction latch and roller bearing hub mechanism provide enhanced durability and smooth operation. Engineered for demanding commercial applications where dependable security and accessibility compliance are essential.