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Antique brass ornamental mortise lockset with double cylinders and screwless knobs

Marks USA

Marks USA 22AC/5-W LHR Antique Brass Double Cylinder Mortise Door Lock

SKU CH-7SHX-EVSDR MPN 22AC/5-W

Left-hand-reverse ornamental mortise lockset with double-cylinder entry function and antique brass finish

  • FinishAntique Brass
  • Selling UnitEach
  • TypeOrnamental Double Cylinder Mortise Lockset
  • FeaturesScrewless knobs, self adjusting spindles
  • MaterialBrass
  • Backset2-1/2"
  • Double cylinder design secures both sides of the door
  • Antique brass finish resists tarnish on iron gate installations
  • Left hand reverse handing fits doors opening outward with hinges on left
  • Screwless knobs with self adjusting spindles simplify fitting and alignment
  • 2-1/2" backset and 1" x 7-1/8" faceplate match standard mortise cutouts

Iron Gate Mortise Lockset

The Marks USA 22AC/5-W LHR is an ornamental double cylinder mortise lockset designed for iron gate applications requiring keyed entry from both sides. Its antique brass finish suits period restorations and traditional architectural styles. Left hand reverse handing is factory configured for doors that pull open with hinges on the right when viewed from outside. The lockset includes screwless knobs and self adjusting spindles for a clean appearance.

Screwless Knobs and Self Adjusting Spindles

Screwless knobs eliminate visible fasteners on the interior and exterior trim, preserving the ornamental look. Self adjusting spindles accommodate minor variations in door thickness during installation without manual trimming. The double cylinder function requires a key for both exterior and interior operation, which affects egress planning for occupied spaces. Thru bolted construction secures the lock body through the door for added resistance against forced entry.

Handing Verification Before Ordering

Confirm the door handing matches left hand reverse: from outside the secured area the hinges must be on the right and the door must pull toward you. Measure the backset to ensure it is exactly two and a half inches from the door edge to the centre of the keyway. Verify the faceplate mortise dimensions of one by seven and one eighth inches fit your existing door preparation. Keyed different cylinders ship standard; request keyed alike if multiple locks must share one key.

Highlights

  • Double cylinder design secures both sides of the door
  • Antique brass finish resists tarnish on iron gate installations
  • Left hand reverse handing fits doors opening outward with hinges on left
  • Screwless knobs with self adjusting spindles simplify fitting and alignment
  • 2-1/2" backset and 1" x 7-1/8" faceplate match standard mortise cutouts

Specifications

BrandMarks
Model22AC/5-W LHR
FinishAntique Brass
Selling UnitEach
TypeOrnamental Double Cylinder Mortise Lockset
FeaturesScrewless knobs, self adjusting spindles
MaterialBrass
Backset2-1/2"
KeyingKeyed Different
StyleKnobs
Series22AC/5-W LHR
FunctionOrnamental Entry Double Cylinder Mortise Lockset

Questions about this item

How often should the antique brass finish and screwless knobs be maintained to prevent wear?

The antique brass finish can be cleaned with a soft cloth and mild brass cleaner as needed; the screwless knobs and self-adjusting spindles have no user-serviceable parts and require no scheduled maintenance beyond occasional lubrication of the mortise mechanism.

What limits continuous operation of the 1-inch deadbolt and double-cylinder mechanism on a high-traffic iron gate?

The 1-inch deadbolt and double-cylinder design are built for repeated manual operation; the practical limit is mechanical wear on the cylinder pins and deadbolt bolt over very high cycle counts, not a thermal or electronic constraint.

Does the lock generate any noise, heat or power draw when the door is used all day?

No — this is a purely mechanical mortise lockset with no motor, electronics or power supply; it operates silently, produces no heat and consumes no electricity regardless of how often the door is opened or closed.

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