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Polished brass mortise lockset with screw-on knobs and surface-mounted plates

MAXTECH

MAXTECH 1033AML Polished Brass Left Hand Mortise Door Lock

SKU CH-3WMA-539B5 MPN 1033AML

Left-hand mortise entry lockset with screw-on knobs, swivel spindle and solid brass cylinder with two keys

  • FinishPolished Brass
  • Selling UnitEach
  • TypeMortise Lockset
  • FeaturesMAXTECH
  • Polished brass finish resists corrosion and suits period interiors
  • Left-hand mortise design fits apartment entry doors directly
  • Screw-on knobs with swivel spindle simplify installation and operation
  • Solid brass cylinder with two keys provides durable security
  • Metro version matches Marks 91A/3 specifications for retrofit projects

Product Identity

The MAXTECH 1033AML is a polished brass mortise lockset designed for left-hand apartment entry doors. It features a Metro version configuration comparable to Marks 91A/3 specifications with surface-mounted knob plate assemblies.

Thermals Noise Power

As a mechanical door lock, this product generates no heat, noise, or electrical power draw during normal operation. The solid brass cylinder and swivel spindle function entirely through manual key and thumb-turn engagement.

Accessories Impact

The lockset includes a solid brass cylinder supplied with two keys for immediate keyed-alike or master-key setup. Screw-on knobs and the swivel spindle allow straightforward installation on existing surface-mounted plate assemblies without specialised tooling.

Highlights

  • Polished brass finish resists corrosion and suits period interiors
  • Left-hand mortise design fits apartment entry doors directly
  • Screw-on knobs with swivel spindle simplify installation and operation
  • Solid brass cylinder with two keys provides durable security
  • Metro version matches Marks 91A/3 specifications for retrofit projects

Specifications

Model1033AML
FinishPolished Brass
Selling UnitEach
TypeMortise Lockset
FeaturesMAXTECH

Questions about this item

How do I install the 1033AML mortise lockset and what step is often missed?

Mortise a 2-1/2" backset pocket, mount the 1-1/16" x 7-5/8" faceplate, fit the screw-on knobs onto the swivel spindle and secure the surface-mounted plates; the step often missed is aligning the spindle rotation so the thumb turn throws the 1" deadbolt smoothly.

What maintenance or replacement will the 1033AML need over time?

Lubricate the solid brass cylinder and deadbolt annually with graphite powder; replace the cylinder if keys stick or wear, and tighten the screw-on knobs if the swivel spindle develops play.

What limit appears first on the 1033AML during heavy daily use?

The 1" deadbolt throw and screw-on knob attachment are the first points to show wear under high-cycle traffic, causing loose spindle action or binding before the brass cylinder itself fails.

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