With its truly unique design the MUL-T-LOCK Hercular deadbolt is truly spectacular high security lock. The Hercular is reinforced in just about every way possible. From a UL437 Listed Cylinder, to strong latch, to Bolt Bearing Mechanism, the Hercular Deadbolt will stop almost any attempt at forced entry. Strength usually does not mix with Flexibility. Not in the case of the Hercular, since it is the only Grade 1 Deadbolt with an adjustable backset. The Hercular deadbolt is true high security lock that exceeds all high security standards.

This is a Double Cylinder Captive Key (Key on both the inside and outside with removable thumb turn inside) Deadbolt. The captive key feature allows this deadbolt to function as a single cylinder lock with a removable inside thumb turn. Available in 7 different finishes. Supplied with two (2) keys and owner key card.

Also available: Hercular Single Cylinder Deadbolt - Hercular Double Cylinder Deadbolt

Features for Mul-T-Lock Hercular Double Cylinder Deadbolt

• Removable Thumb-Turn Piece
• ANSI Grade 1 Locking Mechanism
• Bump Proof Lock Design
• Two (2) Mul-T-Lock 206SP Security Keyways
• Supplied with 2 Keys
• UL Fire Rated Latch
• Adjustable Backset fits 2-3/8" and 2-3/4"
• UL437 Drill and Pick Resistance Cylinder
• Door frame strike reinforced with 3" screws for extra security
• ADA Compliant
• MUL-T-LOCK's Patented Interactive Key Control System
• Limited Lifetime Mechanical Warranty

High Security Double Cylinder Deadbolt. Key from both outside and inside with a unique removable inside thumbturn.

Fit 1-1/2" to 2" thick doors. If your door is 1-3/8" thick you must add an Extension Ring below. For doors 2-1/16" to 3-1/4" thick you must add a Thick Door Kit below.

Select Finish  05: Bright Brass 26: Satin Chrome 25: Bright Chrome Add  $30.55 09: Antique Brass Add  $30.55 13: Oil Rubbed Bronze Add  $30.55 19: Satin Nickel Add  $30.55 22: Satin Black Add  $30.55   Select Door Thickness  1-1/2" - 2" Thick Door 1-3/8" Thick Door: Extension Ring Add  $30.06 2-1/16" - 3-1/4" Thick Door: Thick Door Kit Add  $51.20   Keying (Select Keyed Different or Keyed Alike) - Important Ordering Guide Only Ordered One Lock Keyed Different Keyed Alike Add  $5.50 Master Keyed - Individual Locks Keyed Different Add  $20.00 Master Keyed - Individual Locks Keyed Same Add  $20.00   Optional Extra Keys Cut Per Lockset  0 Extra Cut Keys 1 Extra Cut Key Add  $16.25 2 Extra Cut Keys Add  $32.25 3 Extra Cut Keys Add  $48.25 4 Extra Cut Keys Add  $64.25 5 Extra Cut Keys Add  $79.50 6 Extra Cut Keys Add  $94.00
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