BEST 8T - T Series Tubular Deadbolt Part, Deadbolt Tube
Our T Series deadbolts are quick and easy to install. With a field-reversible design and compatibility with SFIC cores, BEST makes rekeying, integrating, and installing T Series deadbolts simple. But simplicity doesn’t come at the expense of security. The T Series delivers premium protection thanks to advanced design features and top quality materials chosen for exceptional strength and durability.
- Premium materials. Our T Series deadbolts are made of top quality materials that provide corrosion resistance and durability
 - Enhanced security. We use a solid stainless steel bolt with full 1” throw in each T Series deadbolt for extra protection. Optional concealed mounting screws and a free-turning tapered cylinder ring provide added vandal resistance
 - Easy installation. T Series deadbolts are nonhanded, making installation quick and easy
 - Simple retrofit. T Series deadbolts accept SFIC cores, making rekeying easy
 - Flexible integration. In addition to compatibility with other manufacturer’s cores, T Series deadbolts easily integrate into existing SFIC masterkey systems.
 
Manufacturer Resources
Product Specs
BEST 8TD2B605 – Frequently Asked Questions
1) What is the Best 8T T-Series tubular deadbolt used for?
The Best 8T tubular deadbolt provides high-security deadbolt functionality for commercial and institutional applications. It features a tubular design for enhanced strength and durability in heavy-use environments.
2) What door thickness does this deadbolt fit?
Verify door thickness compatibility with manufacturer specifications. Most tubular deadbolts accommodate standard commercial door thicknesses. Check the installation template for exact requirements.
3) Is this deadbolt handed or reversible?
Most Best tubular deadbolts are field-reversible for left or right-hand doors. The bolt and internal mechanism can typically be adjusted during installation without ordering handed parts.
4) What finishes are available for the 8T series?
Best typically offers multiple finish options including satin chrome, bright brass, and oil-rubbed bronze. Check specific product availability as finish options may vary by model.
5) What grade rating does this deadbolt have?
Best 8T series deadbolts typically meet ANSI Grade 1 commercial standards. This provides the highest level of security and durability for heavy-duty applications.
6) Does this meet fire door requirements?
Check manufacturer specifications for fire door listings. Many Best tubular deadbolts are UL listed for use on fire-rated assemblies when properly installed with compatible hardware.
7) What cylinder type does this deadbolt accept?
The 8T typically accepts Best SFIC (Small Format Interchangeable Core) cylinders. This allows for easy rekeying and master key system integration in commercial applications.
8) How do I install this tubular deadbolt?
Use the manufacturer's drilling template for precise hole placement. Requires standard 2-1/8" door bore and 1" cross bore. Follow torque specifications to avoid over-tightening the through-bolts.
9) How do I adjust the bolt throw length?
Most Best tubular deadbolts have a standard 1" throw that is not adjustable. Ensure proper strike alignment and door gap for full bolt extension and retraction.
10) What other Best 8T series models are available?
The Best 8T series includes various configurations with different functions and trim options. Browse our Best Lock selection for complete series availability and compatible components.
11) Can this deadbolt handle high-frequency use?
Yes, the tubular design provides enhanced durability for high-traffic commercial applications. The reinforced construction handles repeated cycling better than standard residential deadbolts.
How fast can I get the BEST 8TD2B605 delivered?
                        Most orders ship the same day from our distribution partners, with quick delivery throughout the
                        continental
                        U.S.
                        Need it urgently? Contact Us for expedited shipping options.
                    
                Can I return it if it doesn’t work for me?
                        Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
                        reach out to our support team for a return authorization or setup a return by following our return instructions.
                    
                Does the BEST 8TD2B605 come with a warranty?
                        Absolutely. The BEST 8TD2B605 is backed by a manufacturer’s warranty.
                        For full warranty terms, check the product documentation or Contact Us.
                    
                How do I get technical support or installation help for the BEST 8TD2B605?
                        You can call, text, or email our expert support team for fast answers. We’re here to help with
                        product
                        selection,
                        installation tips, and troubleshooting. Contact Us
                    
                Why buy the BEST 8TD2B605 from ZenSupply?
                        ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
                        and
                        rewards on
                        every order.
                        Our team is always ready to help you choose the right product for your project.