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Best Deadbolts

About this Category

Deadbolts are locks that are often used as an to standard latch bolts or in conjunction with a latchbolt. These locks provide more protection than latch bolts against burglars, since they are more difficult to force open. They can be operated with a key or thumbturn.

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Best Heavy Duty Interchangeable Core Classroom Deadbolt. 2-3/8Backset Deadbolts

Best - 8T27SSTK Heavy Duty Interchangeable Core Classroom Deadbolt. 2-3/8"Backset

Multiple Options and Finishes

Starting at: $215.00

This Best Access Systems 8T27SSTK T series tubular deadbolt, classroom function, interchangeable core, heavy duty Grade 1 deadbolt can be keyed to existing Best master keyed systems. Interchangeable core permits instant, economical rekeying at the door.

Series: 8T
Usage: Extra Heavy Duty
Function: Deadbolt Classroom

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Best Heavy Duty Interchangeable Core Double Cylinder Deadbolt 2-3/4Backset Deadbolts

Best - 8T37MSTK Heavy Duty Interchangeable Core Double Cylinder Deadbolt 2-3/4"Backset

Multiple Options and Finishes

Starting at: $281.00

This Best Access Systems 8T37MSTK is a tubular, extra heavy duty, double cylinder, interchangeable core deadbolt that can be keyed to the existing Best Master keyed systems. This deadbolt has a backset of 2-3/4".

Series: 8T
Usage: Extra Heavy Duty
Function: Double Cylinder Deadbolt

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Best Heavy Duty Interchangeable Core Classroom Deadbolt. 2-3/4Backset Deadbolts

Best - 8T37SSTK Heavy Duty Interchangeable Core Classroom Deadbolt. 2-3/4"Backset

Multiple Options and Finishes

Starting at: $215.00

This Best Access Systems 8T37SSTK is a classroom function interchangeable core deadbolt with 2-3/4" backset. It has a keyed cylinder on the outside and a turn lever on the inside. It can only be locked with a key on the outside and turning the inside lever only retracts the deadbolt.

Series: 8T
Usage: Extra Heavy Duty
Function: Deadbolt Classroom

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Best Heavy Duty Interchangeable Core Single Sided Deadbolt. 2-3/8Backset Deadbolts

Best - 8T27LSTK Heavy Duty Interchangeable Core Single Sided Deadbolt. 2-3/8"Backset

Multiple Options and Finishes

Starting at: $215.00

This Best Access Systems 8T27SLSTK is a single sided interchangeable core, extra heavy duty deadbolt. It has a keyed cylinder on the outside and a blank plate on the inside. It includes a STK standard strike 1-1/8" x 2-3/4".

Usage: Extra Heavy Duty
Function: Single Sided

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Best Heavy Duty Interchangeable Core Single Sided Deadbolt. 2-3/4Backset Deadbolts

Best - 8T37LSTK Heavy Duty Interchangeable Core Single Sided Deadbolt. 2-3/4"Backset

Multiple Options and Finishes

Starting at: $215.00

This Best Access Systems 8T37LSTK is a single sided, interchangeable core, extra heavy duty deadbolt with a 2-3/4" backset. This deadbolt has a keyed cylinder on the outside and a blank plate on the inside.

Series: 8T
Usage: Extra Heavy Duty
Function: Single Sided

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Best Heavy Duty Interchangeable Core Single Cylinder Deadbolt. 2-3/8Backset Deadbolts

Best - 8T27KSTK Heavy Duty Interchangeable Core Single Cylinder Deadbolt. 2-3/8"Backset

Multiple Options and Finishes

Starting at: $215.00

This Best Access Systems 8T27KSTK is a high quality interchangeable core deadbolt. It has a keyed cylinder on the outside and a turn lever on the inside which will retract or throw the bolt. This deadbolt will accept all Best type IC cores.

Usage: Extra Heavy Duty
Function: Single Cylinder

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Best Heavy Duty Interchangeable Core Single Cylinder Deadbolt. 2-3/4Backset Deadbolts

Best - 8T37KSTK Heavy Duty Interchangeable Core Single Cylinder Deadbolt. 2-3/4"Backset

Multiple Options and Finishes

Starting at: $215.00

This Best Access Systems 8T37KSTK is a 2-3/4" backset, interchangeable core deadbolt for extra-heavy duty applications. This deadbolt functions with a keyed cylinder on the outside and an ADA turn lever on the inside to throw and retract the bolt.

Series: 8T
Usage: Extra Heavy Duty
Function: Single Cylinder

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Best Standard Duty Interchangeable Core Single Sided Deadbolt. 2-3/4Backset Deadbolts

Best - 7T37LSTK Standard Duty Interchangeable Core Single Sided Deadbolt. 2-3/4"Backset

Multiple Options and Finishes

Starting at: $136.00

This Best Access Systems 7T37LSTK T series tubular deadbolt is single sided. It has a cylinder on the outside and a blank plate on the inside. This deadbolt will accept all types of Best IC cores. Includes a free-turning, wrench resistant, tapered cylinder ring for extra security.

Series: 7T
Usage: Standard Duty
Function: Single Sided

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Best Standard Duty Interchangeable Core Single Sided Deadbolt. 2-3/8 Backset Deadbolts

Best - 7T27LSTK Standard Duty Interchangeable Core Single Sided Deadbolt. 2-3/8 Backset

Multiple Options and Finishes

Starting at: $136.00

This Best Access Systems 7T27LSTK interchangeable core deadbolt will accept any type of Best IC core to be keyed to any Best master key system. This deadbolt has a cylinder from the outside and a blank plate on the inside.

Series: 7T
Usage: Standard Duty
Function: Single Sided

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Best Standard Duty Interchangeable Core Single Cylinder Deadbolt. 2-3/8Backset Deadbolts

Best - 7T27KSTK Standard Duty Interchangeable Core Single Cylinder Deadbolt. 2-3/8"Backset

Multiple Options and Finishes

Starting at: $136.00

This Best Access Systems 7T27KSTK interchangeable core deadbolt will accept any type of Best IC core to be keyed to any Best master key system. This deadbolt has a cylinder from the outside and a turn lever for operation from the inside.

Series: 7T
Usage: Standard Duty
Function: Single Cylinder

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Best Standard Duty Interchangeable Core Single Cylinder Deadbolt. 2-3/4Backset Deadbolts

Best - 7T37KSTK Standard Duty Interchangeable Core Single Cylinder Deadbolt. 2-3/4"Backset

Multiple Options and Finishes

Starting at: $136.00

This Best Access Systems 7T37KSTK is an ADA compliant single cylinder, standard duty deadbolt that conforms with ANSI/BHMA A156.5 Grade 2 standards. It operates with a keyed cylinder on the outside and a turn lever on the inside.

Series: 7T
Usage: Standard Duty
Function: Single Cylinder

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Best Heavy Duty Interchangeable Core Double Cylinder Deadbolt 2-3/8Backset Deadbolts

Best - 7T27MSTK Heavy Duty Interchangeable Core Double Cylinder Deadbolt 2-3/8"Backset

Multiple Options and Finishes

Starting at: $189.00

This Best Access Systems 7T27MSTK is a tubular, standard duty, double cylinder, interchangeable core deadbolt that can be keyed to the existing Best Master keyed systems. This deadbolt has a backset of 2-3/8".

Series: 7T
Usage: Standard Duty
Function: Double Cylinder Deadbolt

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Best Heavy Duty Interchangeable Core Double Cylinder Deadbolt Adjustable Backset Deadbolts

Best - 6T7MSTK Heavy Duty Interchangeable Core Double Cylinder Deadbolt Adjustable Backset

Multiple Options and Finishes

Starting at: $189.00

This Best Access Systems 6T27MSTK is a tubular, standard duty, double cylinder, interchangeable core deadbolt that can be keyed to the existing Best Master keyed systems. This deadbolt has a backset that is adjustable between 2-3/8" and 2-3/4". This product supersedes the 7T27MSTK lock

Series: 6T
Usage: Standard Duty
Function: Double Cylinder Deadbolt

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Best Standard Duty Interchangeable Core Single Cylinder Deadbolt Adjustable Backset Deadbolts

Best - 6T7KSTK Standard Duty Interchangeable Core Single Cylinder Deadbolt Adjustable Backset

Multiple Options and Finishes

Starting at: $189.00

This Best Access Systems 6T27KSTK is a tubular, standard duty, single cylinder, interchangeable core deadbolt that can be keyed to the existing Best Master keyed systems. This deadbolt has a backset that is adjustable between 2-3/8" and 2-3/4". This product supersedes the 7T27KSTK lock

Series: 6T
Usage: Standard Duty
Function: Single Cylinder

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More About Best

For almost 80 years BEST product line has built a reputation as a premiere provider of high quality mechanical access solutions featuring the interchangeable core and masterkey system. Best is the former name of a publicly traded door hardware and lock manufacturer. Originally founded in 1925 as Best Universal Lock Company by Frank Ellison Best, the privately held company relocated from Seattle, Washington to Indianapolis, Indiana in 1938, where operations expanded and evolved. Currently, product offerings are now marketed under the Best brand, which is one of several trademarked corporate divisions for dormakaba

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Best Deadbolts

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