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Satin chrome mortise lock knob with wide face plate, left hand

MAXTECH

MAXTECH Marks 114DW Satin Chrome 26D Vestibule Mortise Lock Knob Left Hand

SKU CH-A9SM-N8892

Heavy-duty mortise lockset with screwless knobs, 2-1/2" backset, latch-only vestibule function, left-hand satin chrome finish

  • Security gradeHeavy Duty
  • Location typeCommercial/Residential
  • Backset distance2-1/2 in
  • Lock keyingKeyed Different
  • Main functionStoreroom
  • Surface finishSatin Chrome
  • Heavy-duty security with solid brass construction
  • Always-locked storeroom function for controlled access
  • Wide 1-1/4" x 8" face plate fits standard mortise prep
  • Screwless knobs with self-adjusting spindle simplify installation
  • Left-hand configuration with two keys included

Commercial Vestibule Mortise Lock

This heavy-duty mortise lockset is built for commercial and residential vestibule doors that must stay locked from the outside at all times. The storeroom function means the exterior knob is always rigid and requires a key for entry, while the interior knob provides free egress. It suits property managers and installers fitting high-traffic stairwell or corridor doors.

2-1/2 Inch Backset and Wide Face Plate

The lock carries a 2-1/2 inch backset and a wide face plate measuring 1-1/4 by 8 inches, which determines whether it fits the existing door preparation. Mortise pockets and edge bores must match these dimensions exactly, otherwise the chassis will not seat and the latch will not engage the strike.

Thru-Bolted Screwless Knobs Simplify Fitting

Through-bolted plate assemblies and screwless knobs with a self-adjusting spindle remove the need to align exposed screws during installation. The most common error is handing the lock incorrectly; this unit is left-hand only and cannot be reversed on site. Verify the door swing before cutting the mortise pocket.

How it compares

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

Price $102.99
Pricier than about 66% of the 2,145 comparable items (median $55.99).

Specifications

Product
Product lineMarks 114DW/26D-X Like
Product typeMortise Through Bolted Lock Knob Vestibule Function Always Locked Storeroom Latch Only Lockset with Wide Face Plate -> front: 1-1/4 in x 8 in
Design styleKnobs
Size & build
Surface finishSatin Chrome
Main materialBrass
Backset distance2-1/2 in
More details
Security gradeHeavy Duty
Location typeCommercial/Residential
Lock keyingKeyed Different
Main functionStoreroom

Questions about this item

How does the 2-1/2" backset affect where I drill the door?

The 2-1/2" backset means the centre of the knob hole must be 2-1/2 inches from the door edge, so you mortise the lock body at that exact distance.

What does the wide 1-1/4" x 8" face plate require for installation?

The wide face plate needs a mortise pocket that matches 1-1/4 inches wide by 8 inches tall, and the through-bolted design anchors through the door thickness.

What does "Left Hand" mean for the knob orientation on my door?

Left Hand indicates the lock is built for a door that swings away from you with hinges on the left, so the outside knob and cylinder sit on the exterior side.

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