BEST 8T Series Classroom One-Way Single-Keyed Tubular Deadbolt with 1" Stainless Steel Throw
Premium Security Tubular Deadbolt for Commercial Applications
The BEST 8T Series Classroom One-Way Single-Keyed Tubular Deadbolt delivers enhanced security for commercial office spaces, educational facilities, and residential applications requiring superior protection. Featuring a full 1" stainless steel throw deadbolt and solid construction, this tubular deadbolt fits standard door preparations with 1-3/4" door thickness compatibility. The 8T Series incorporates wrought brass or bronze trim with a 2-3/4" diameter rose design and is UL listed for use as auxiliary lock on 3-hour fire doors.
Professional Features & Benefits
- Full 1" Stainless Steel Throw: Solid stainless steel deadbolt provides maximum security and corrosion resistance for long-term durability.
- Attack-Resistant Design: Free-turning, wrench-resistant, tapered cylinder ring and optional hidden mounting screws enhance security against forced entry attempts.
- Premium Construction Materials: Wrought brass or bronze trim with solid extruded brass or bronze cylinder ensures professional-grade durability and appearance.
- Fire Door Compatibility: UL listed for use as auxiliary lock on 3-hour fire doors (GWXT) with C-UL mark for Canadian compliance.
- Interchangeable Core System: Original BEST interchangeable core permits instant, economical rekeying and integration into existing masterkeyed systems.
- Simple Installation: Self-aligning and reversible strike design with standard door preparation requirements for efficient installation.
- ADA Compliance: ADA turn lever option available for accessibility requirements in commercial applications.
- Manufacturer Warranty: 3 Year warranty coverage for added confidence and protection.
Technical Specifications
- Faceplate: Brass or bronze; 8T2 - 1” x 2 1/4”; 8T3 - 1 1/8” x 2 1/4”
- Strikes: ANSI rectangular 1 1/8” x 2 3/4”; ANSI curved lip 1 1/4” x 4 7/8”;
ANSI curved lip 1 1/8” x 2 3/4”; ANSI high security rectangular 1 1/4” x 4 7/8” - Trim: Wrought brass or bronze; rose or turned lever rose; 2 3/4” diameter
to cover 2 1/8” bore; machined brass or bronze cylinder ring - Backset: 2 3/8” for 8T2; 2 3/4” for 8T3
- Deadbolt: 8T2 - 1” throw, 5/8” x 7/8”, brass nickel plated, concealed hardened
steel free-turning pin; 8T3 – 1” throw, 5/8” x 7/8”, solid stainless steel - Door thickness: 1 3/4” doors standard, other thicknesses available
DOWNLOAD & RESOURCES
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including 1-3/4" door thickness and standard bore dimensions for tubular deadbolt installation.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door surfaces for proper alignment.
- Prepare door by drilling required 2-1/8" bore hole and routing faceplate mortise as specified in manufacturer instructions.
- Install deadbolt assembly and secure mounting hardware per manufacturer torque specifications, utilizing self-aligning strike features.
- Adjust cylinder operation and thumbturn mechanism for proper alignment and smooth operation throughout full throw range.
- Test deadbolt operation to verify proper 1" throw extension and retraction, making final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Commercial Office Buildings
- Educational Facilities and Classrooms
- Healthcare Institutions
- Retail Establishments
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
- Industrial and Warehouse Facilities
Why Choose BEST Quality?
BEST 8T Series tubular deadbolts deliver professional-grade reliability with premium materials including wrought brass or bronze construction and solid stainless steel throw bolts. UL listed for 3-hour fire door applications with 3 Year warranty coverage. Engineered for demanding commercial applications where dependable security performance and attack resistance are essential.
Manufacturer Resources
Product Specs
- Series:
- T Series
- Warranty:
- 3 Year
- Keyed:
- Yes
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Product Type:
- Deadbolts
- Subcategory:
- Bored Locksets
- Keyed Function:
- Single Cylinder
- Commercial/Residential:
- Commercial
- Lock Type:
- Tubular
- Lock Function:
- Deadbolt
- Product Attribute:
- Deadbolts
- Product Function:
- Cylinder x Thumbturn
- Door Hand Direction:
- Non-Handed
- Door Thickness Range:
- 1-3/4"
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware