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Polished brass mortise entry lockset with screwless knobs and thumb turn

Tuff Stuff

Tuff Stuff 5114AL Polished Brass Left Hand Heavy Duty Mortise Entry Lockset

SKU CH-JDRN-D2CBZ

Heavy-duty mortise entry lockset with through-bolted brass plates, screwless knobs and a self-adjusting spindle for left-hand doors

  • Security gradeHeavy Duty
  • Location typeCommercial/Residential
  • Backset distance2-1/2 in
  • Lock keyingKeyed Different
  • Main functionEntrance
  • Surface finishPolished Brass
  • Heavy-duty security with solid brass construction
  • Left-hand mortise design fits specific door swings
  • Through-bolted knob plates strengthen the lock assembly
  • Screwless knobs with self-adjusting spindles simplify installation
  • Solid brass cylinder includes two keys for immediate use

Commercial Grade Entry Lockset

This Tuff Stuff 5114AL mortise lockset provides heavy duty security for commercial and residential doors. The left hand configuration suits doors that swing inward from the left side. Solid brass construction delivers durability in high traffic environments.

Through Bolted Screwless Operation

Through bolted plate assemblies eliminate exposed screws on the knob plates for a cleaner appearance and added tamper resistance. Self adjusting spindles with screwless knobs simplify installation and maintain alignment over time. A solid brass cylinder with two keys operates the deadbolt from outside while a thumb turn controls it from inside.

Mortise Pocket Compatibility Required

This lockset requires a mortise pocket cut into the door edge rather than a standard cylindrical bore. The 2-1/2 inch backset and 1 inch deadbolt throw determine the pocket dimensions needed. Builders without mortising tools or doors prepped for cylindrical locks cannot use this hardware.

How it compares

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

Price $76.99
Pricier than about 58% of the 2,145 comparable items (median $55.99).

Specifications

Product
Product lineMarks 114A/3 Like
Product typeMortise Entry Thru Bolted Lock Set
Design styleKnobs
Size & build
Surface finishPolished Brass
Main materialBrass
Backset distance2-1/2 in
More details
Security gradeHeavy Duty
Location typeCommercial/Residential
Lock keyingKeyed Different
Main functionEntrance

Questions about this item

What part of the screwless knob assembly will need adjustment or replacement after extended use?

The self-adjusting spindle handles normal wear; if the knob becomes loose the spindle can be replaced without removing the through-bolted plates.

Which component reaches its limit first when the lock is operated continuously in a busy entrance?

The solid brass cylinder and 1" deadbolt are built for heavy-duty cycles; the spindle and latchbolt typically show wear before the cylinder.

Does the polished brass finish or the through-bolted plates generate noticeable heat or noise during all-day operation?

Mechanical mortise locks produce only light click sounds; brass dissipates heat quickly so the plates stay near room temperature.

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