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Satin nickel double cylinder deadbolt with rectangular faceplate and key cylinders on both sides

Medeco

Medeco 11-R523-619-00 Satin Nickel Grade 1 Double Cylinder Deadbolt 2-3/8" Backset

SKU CH-WE79-R3FTJ MPN 11-R523-619-00

Grade 1 double-cylinder deadbolt with 5-pin tumbler, anti-drill and anti-pry protection for doors 1-3/8" to 2-1/2" thick

  • Surface finishSatin Nickel
  • Sold asBox
  • Grade 1 certification delivers proven high-security resistance
  • Double cylinder design requires a key on both sides for controlled access
  • 5-pin tumbler with Original 00 keyway resists picking and unauthorised duplication
  • Solid brass construction with anti-drill and anti-pry features withstands physical attack
  • Fits standard doors 1-3/8" to 2-1/2" thick with 2-3/8" backset

Medeco Grade 1 Double Cylinder Deadbolt

The Medeco Maxum 11-R523-619-00 is a Grade 1 double cylinder tubular deadbolt finished in satin nickel. It features a 5-pin tumbler mechanism with the Original 00 keyway and a 2-3/8 inch backset. The solid brass construction includes anti-drill and anti-pry protection for high-security applications.

Suitable For Keyed-Entry Needs.

This deadbolt suits commercial and heavy-duty residential doors from 1-3/8 to 2-1/2 inches thick where keyed entry is required on both sides. It fits standard 2-1/8 inch crossbore and 1 inch edge bore preparations. Buyers who want a single-cylinder deadbolt with an interior thumbturn should select a different model.

ANSI/BHMA A156.30 And UL437 Listed Cylinders

The lock carries ANSI/BHMA A156.30 Grade 1 certification and UL437 listed cylinders, confirming resistance to picking, drilling, and physical attack. This rating is the primary indicator that the hardware meets high-security standards for apartments, retail outlets, and multi-family units.

How it compares

Measured against everything we stock in Door Lock Sets & Deadbolts, at today’s prices. Recalculated every night.

Price $374.99
Pricier than about 91% of the 2,145 comparable items (median $55.99).

Specifications

Product
Brand nameMedeco
Model name11-R523-619-00
Size & build
Surface finishSatin Nickel

Questions about this item

How do I confirm the double cylinder deadbolt is operating correctly after installation?

Test that both the interior and exterior cylinders turn smoothly with the Original 00 key, the bolt extends fully into the strike, and the anti-drill and anti-pry features engage without binding on doors 1-3/8" to 2-1/2" thick.

What components are included with the Medeco Maxum 11-R523-619-00 deadbolt for installation?

The box contains the double cylinder tubular deadlock with Satin Nickel finish, Grade 1 certified solid-brass cylinder, 2-3/8" backset, 1" faceplate, and mounting hardware for 2-1/8" crossbore and 1" edge bore preparation.

Which keyway should I select for this Grade 1 double cylinder deadbolt?

This model uses the Original 00 keyway exclusively, providing triple locking security with the 5 pin tumbler for high-security residential and commercial applications.

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