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Satin nickel single cylinder deadbolt with thumbturn and keyway

Medeco

Medeco 11-R603-619-00 Satin Nickel Grade 1 Single Cylinder Deadbolt 2-3/8" Backset 1" Faceplate

SKU CH-EKH0-PTMK6 MPN 11-R603-619-00

Grade 1 single-cylinder deadbolt with a 6-pin Medeco cylinder, 2-3/8" backset and 1" faceplate for doors 1-3/8" to 2-1/2" thick

  • Surface finishSatin Nickel
  • Sold asBox
  • Grade 1 certification delivers proven high-security resistance
  • Six-pin tumbler cylinder provides triple locking against picking and key duplication
  • Solid brass construction with anti-drill and anti-pry features withstands physical attack
  • ANSI/BHMA 156.30 and UL 437 listings confirm certified protection
  • Adjustable 2-3/8" backset and 1" faceplate fit doors 1-3/8" to 2-1/2" thick

Grade 1 single-cylinder deadbolt

This Medeco Maxum deadbolt carries a Grade 1 rating and uses a six-pin tumbler with the Original 00 keyway. The solid-brass cylinder is UL 437 listed and meets ANSI/BHMA A156.30 for high-security applications. A satin nickel finish matches common residential and commercial hardware. The lock fits doors from 1-3/8 to 2-1/2 inches thick.

2-3/8 backset and 1 faceplate

The 2-3/8 inch backset and 1 inch faceplate match standard tubular-prepped doors without modification. A 2-1/8 inch crossbore and 1 inch edge bore align with typical installation templates. Anti-drill and anti-pry features are built into the cylinder housing rather than supplied as separate parts. No additional accessories or software are included in the box.

Apartments retail and multi-family units

The deadbolt suits apartments, retail outlets, residences and multi-family properties where consistent quality and straightforward installation are required. Buyers who need a double-cylinder function or a different backset should look elsewhere. Installations requiring electronic access control or smart-home integration are not supported by this mechanical cylinder. Doors thinner than 1-3/8 inches or thicker than 2-1/2 inches will not accept this lock.

How it compares

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

Price $271.99
Pricier than about 89% of the 2,145 comparable items (median $55.99).

Specifications

Product
Brand nameMedeco
Model name11-R603-619-00
Size & build
Surface finishSatin Nickel

Questions about this item

How often should the 6-pin tumbler cylinder be lubricated to maintain smooth operation?

Apply a dry graphite or PTFE lubricant to the keyway once a year; the solid-brass cylinder and Grade 1 construction do not require internal disassembly for routine maintenance.

Which component reaches its physical limit first when the bolt is repeatedly forced during a prying attempt?

The anti-pry collar and hardened steel bolt are designed to resist deformation; the cylinder’s UL 437 listing confirms it withstands sustained attack longer than the surrounding door frame.

Does the deadbolt generate any heat or noise when left locked continuously for weeks?

No — the mechanical single-cylinder design has no electronic parts, so it produces zero heat and no audible sound while engaged.

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