BEST 45H Series Heavy Duty Mortise Lock with Privacy Function and Double Visual Indicator
Professional Grade Mortise Lock with Enhanced Security Features
The BEST 45H Series Heavy Duty Mortise Lock delivers commercial-grade security with privacy function and double visual indicator capability. 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 is designed for doors 1-3/4" thick. The lock meets ANSI A156.13 Series 1000 Grade 1 Operation and Strength standards with Grade 2 Security rating for demanding commercial applications.
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 exceptional durability and corrosion protection.
- Visual Indicator System: Double visual indicator shows padlock icon open for unlocked and padlock icon closed and painted red for locked states with clear indication functionality.
- 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.
- Professional Grade Rating: ANSI A156.13 Series 1000 Grade 1 Operation and Strength, Grade 2 Security certification for commercial applications with ADA compliance meeting ANSI A117.1 section 404.2.6 intent.
- Precision Engineering: Roller bearing hub mechanism provides smooth, wear-resistant operation with self-aligning trim mechanism for fast, easy, and accurate installation.
- Security Features: Solid machined cylinder rings with wavy washer provides resistance to wrenching, plus cylinder security screw prevents removal without first removing interchangeable core.
- Antimicrobial Options: Available with UltraShield antimicrobial protected coating in 626AM satin chrome or 630AM satin stainless steel 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
- Review manufacturer specifications and verify door preparation requirements including door thickness of 1-3/4" standard (up to 5" thick door configuration available), stile width, and handing as applicable to this mortise lock.
- 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.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for 2-3/4" backset configuration.
- Install all mounting hardware and secure the mortise lock to door and frame per manufacturer torque specifications using the four case cover screws and interlocking armored front design.
- Adjust operational components including the four position hub toggle for proper alignment, latching, and smooth operation throughout the full range of motion with lever return spring mechanism.
- Test device operation to verify proper function of privacy function, visual indicators, 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
Anti-Microbial Option
Available with UltraShield antimicrobial protected coating in 626AM satin chrome plated or 630AM satin stainless steel finishes. The BEST UltraShield finish inhibits the growth of bacteria and other microbes on the surface of the hardware, 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 through four corner screws plus interlocking design ensure dependable performance where security and durability are essential. Multiple finish options including antimicrobial coatings provide versatility for specialized applications.
Manufacturer Resources
Product Specs
- Series:
- 45H
- Standard Cylinder:
- Less Cylinder
- Duty Level:
- Heavy Duty
- Keyed Function:
- Non-Keyed
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Mortise Locks and Trim
- Product Type:
- Mortise Locks
- Subcategory:
- Mortise
- Keyed:
- No
- Commercial/Residential:
- Commercial
- Lock Type:
- Mortise
- Product Attribute:
- Indicator Locks
- Electronic:
- No
- 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
- Function:
- Privacy