BEST 45H Series Heavy Duty Mortise Lock Case Privacy Function Field Reversible
Professional Heavy Duty Mortise Lock Solution
The BEST 45H Series mortise lock case delivers Grade 1 operational and strength performance with privacy function capability. This field reversible lock case features a 2-3/4" backset and accommodates doors 1-3/4" thick with thick door configurations available up to 5" thick. Constructed from 0.095" cold rolled steel with zinc dichromate plating for corrosion protection, this heavy duty mortise lock meets ANSI A156.13 Series 1000 Grade 1 standards.
Professional Features & Benefits
- Heavy Duty Construction: 0.095" cold rolled steel case, cover, and armored front provide exceptional strength and durability for demanding commercial applications.
- Enhanced Case Integrity: Four case cover screws at each corner plus interlocking armored front and cover design at the latch ensure superior structural performance.
- Solid Stainless Steel Anti-Friction Latch: One-piece design provides 50% more surface contact with strike for superior strength and security with precision-engineered curve for enhanced cycle life.
- Field Reversible Design: Reversible latch rotates 180 degrees for easy handing change without opening case, with four position hub toggle design for flexible configuration.
- Roller Bearing Hub Mechanism: Provides smooth, wear-resistant operation for long-term reliability in high-traffic applications.
- Self-Aligning Installation: Armored front self-aligns with door bevel during installation, and trim mechanism ensures fast, easy, and accurate installation.
- Grade 1 Performance: ANSI A156.13 Series 1000 Grade 1 Operation and Strength certification with Grade 2 Security rating for professional applications.
- Antimicrobial Finish Options: Available with UltraShield antimicrobial protected coating in 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
- Review manufacturer specifications and verify door preparation requirements including door thickness (standard 1-3/4" or thick door up to 5"), backset requirements, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- 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 Grade 1 ANSI A156.13 certification. The solid stainless steel anti-friction latch and roller bearing hub mechanism provide enhanced durability for demanding commercial applications. Engineered for demanding commercial applications where dependable performance and field flexibility are essential.
Manufacturer Resources
Product Specs
- Series:
- 45H
- Standard Cylinder:
- SFIC Prep Less Core
- 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:
- Yes
- Commercial/Residential:
- Commercial
- Lock Type:
- Mortise
- Lock Function:
- Privacy
- Product Attribute:
- Mortise Locks
- Electronic:
- No
- Product Function:
- Privacy/Bed/Bath
- 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