BEST 9K Series 2DT Double Dummy Trim Grade 1 Cylindrical Lever Lock
Premium Grade 1 Non-Latching Lever Solution for Inactive Doors
The BEST 9K Series 2DT Double Dummy Trim delivers Grade 1 cylindrical lock performance for inactive door applications requiring matching lever hardware without latching mechanisms. This through-bolt mounted pair of matching levers features BEST's innovative design with 2 3/4" standard backset, accommodating door thickness from 1 3/4" to 2 1/4". Built with high-quality zinc alloy lever handles and brass trim components, this non-keyed dummy function provides consistent aesthetics across door openings while meeting BHMA A156.2 Series 4000 Grade 1 standards.
Professional Features & Benefits
- Door Compatibility: Designed for 1 3/4" to 2 1/4" door thickness with 2 3/4" standard backset (3 3/4" and 5" available).
- Heavy-Duty Construction: High-quality zinc alloy lever handles with brass or bronze trim components for exceptional durability in commercial applications.
- Grade 1 Performance: BHMA A156.2 Series 4000 Grade 1 listing ensures superior torque resistance and long-term reliability.
- Through-Bolt Mounting: Strong through-bolt mounting studs increase torque resistance and provide secure installation with two 5/16" diameter holes at 12 and 6 o'clock positions.
- Rose Assembly Design: Rose locking pin and assembly design offers exceptional torque resistance, preventing twisting, bending, or breaking under attack.
- ADA Compliance: Design and operation meets ANSI A117.1 section 404.2.6 requirements for accessibility applications.
- Fire Rating: UL listed for use on 3-hour A label single or double swinging doors for life safety applications.
- Manufacturer Warranty: 10 Year warranty coverage for added confidence and protection.
Technical Specifications
- Commercial/Residential: Commercial
- Department: Door Hardware
- Door Hand Direction: Non-Handed
- Duty Level: Heavy Duty
- Electronic: No
- Function Description: This is a through bolt mounted pair of matching levers for an inactive door or a non-latching door
- Grade: Grade 1
- Handle Type: Lever
- Keyed: No
- Keyed Function: Non-Keyed
- Lock Function: Dummy
- Lock Type: Cylindrical
- PDF:9K Series Catalog: https://zensupply.com/content/pdf/best/BA-0003_BEST_9K-Catalog-03-24.pdf
- PDF:Service Manual for 9K Series: https://zensupply.com/content/pdf/best/4418941408539
- Product Attribute: Cylindrical Locks
- Product Category: Mechanical Locks
- Product Function: Dummy
- Product Group: Mechanical Locks
- Product Model: 2DT
- Product Subgroup: Bored Locksets
- Product Type: Leversets
- Series: 9K Series
- Subcategory: Bored Locksets
- Warranty: 10 Year
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness (1 3/4" to 2 1/4"), backset dimensions, and non-handed installation compatibility.
- Use manufacturer-provided templates to mark mounting hole locations accurately including standard ANSI A115.2 preparation plus two additional 5/16" diameter through-bolt holes at 12 and 6 o'clock positions.
- Prepare door by drilling required holes including 2 1/8" diameter hole for chassis and through-bolt mounting holes as specified in manufacturer instructions.
- Install through-bolt mounting hardware and secure the dummy trim assembly to door per manufacturer torque specifications for maximum attack resistance.
- Adjust lever alignment for proper positioning and smooth operation without engaging any latching mechanisms.
- Test lever 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
Anti-Microbial Option
BEST UltraShield antimicrobial protected coating (626AM finish) inhibits the growth of bacteria and other microbes on hardware surfaces. Recommended for healthcare, elderly care, education, transportation, food service, and hospitality applications where product cleanliness is a high priority.
Why Choose BEST Quality?
BEST 9K Series cylindrical locks combine top-quality materials and exceptional craftsmanship with Grade 1 BHMA certification and UL fire rating for demanding commercial applications. Built with critical brass and corrosion-treated steel components rated for heavy-duty performance, the 9K series delivers low maintenance operation with 10 Year warranty coverage. Engineered for professional applications where dependable security hardware and consistent aesthetics are essential.
Manufacturer Resources
Product Specs
- Series:
- 9K Series
- Subcategory:
- Bored Locksets
- Grade:
- Grade 1
- Duty Level:
- Heavy Duty
- Handle Type:
- Lever
- Keyed Function:
- Non-Keyed
- Warranty:
- 10 Year
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Product Type:
- Leversets
- Keyed:
- No
- Electronic:
- No
- Commercial/Residential:
- Commercial
- Function Description:
- This is a through bolt mounted pair of matching levers for an inactive door or a non-latching door
- Lock Type:
- Cylindrical
- Lock Function:
- Dummy
- Product Attribute:
- Cylindrical Locks
- Product Model:
- 2DT
- Product Function:
- Dummy
- Door Hand Direction:
- Non-Handed
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware