8T SeriesTubular Deadbolts
Premium materials, security, and performance.
Incorporating top quality design, engineering, and materials, BEST’s T Series tubular deadbolts are easy to install, integrate, and rely on for durable security. Our T Series deadbolts provide for simple installation, without compromising security and performance. Solid construction and a 1″ stainless steel throw bolt offer enhanced durability and extra protection, while design features like tapered cylinder rings and optional hidden mounting screws make T Series deadbolts attack resistant. T Series tubular deadbolts deliver the quality and reliability you expect from BEST.
Features:
- No exposed mounting screws standard on 8T2/8T3 double cylinder M function only (available as an op tion on 8T2/8T3 K, L, and S function)
- Full 1″ stainless steel throw deadbolt
- Free-turning, wrench-resistant, tapered cylinder ring
- 8T2/8T3-solid extruded brass or bronze cylind
- Stainless steel for strength and corrosion resistance
- Simple installation; self-aligning and reversible strike
- May be keyed into existing BEST® masterkeyed system
- The original interchangeable core permits instant, economical rekeying
- ADA turn lever
- Deadbolt UL listed for use as auxiliary lock type on 3 hr. fire doors (GWXT). These locks also carry the C-UL mark which is officially accepted in all of Canada, indicating compliance with appropriate Canadian standards and codes.
- Products protected by one or more of the following patents: 4,301,667 D290,085 4,843,852 5,590,555 5,794,472
- Other Patents Pending
Specifications: Backset:
- 8T2 – 2 3/8″
- 8T3 – 2 3/4″
Cylinders:
- 8T2/8T3– ANSI A156.36-2010 Auxiliary Locks, Grade 1
- Operational, BHMA, Strength and Security with drill-resistant core
- (1CD/1CDP.1CDB/1CDF/1CDM/1CDX)
Deadbolt:
- 8T2/8T3– 1″ throw, 5/8″ x 7/8″ solid stainless steel bolt. Housing fits 1″ bore.
Door thickness:
- Fits 1 3/4″ doors (standard)
- 8T2/8T3: fits doors – from 1 3/8″ to 3″
- Specify if other than 1 3/4″
Faceplate:
- Brass or bronze base materia
- 8T2 – 1″ x 2 1/4″
- 8T3 – 1 1/8″ x 2 1/4″
8T2/8T3 Finishes:
- 605 – Bright brass
- 606 – Satin brass
- 611 – Bright bronze
- 612 – Satin bronze
- 613 – Dark oxidized satin
- 625 – Bright chromium
- 626 – Satin chromium
Strikes:
- 8TSTK – rectangular 1 1/8″ x 2 3/4″ (ANSI A156.36-2010)
- 8TS1 – curved lip 1 1/4″ x 4 7/8″ (ANSI A156.36-2010)
- 8TS4 – curved lip 1 1/8″ x 2 3/4″ (ANSI A156.36-2010)
- 8TS5 – high security rectangular 1 1/4″ x 4 7/8″
(ANSI A156.36-2010)
Trim:
- Wrought brass or bronze cylinder rose or turn lever rose, 2 3/4″ dia. to cover 2 1/8″ bore.
- Machined brass or bronze cylinder ring.





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