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Polished brass mortise lockset with angled lever and escutcheon plate left hand

Marks USA

Marks USA Metro 116DW/3 Polished Brass Left Hand Mortise Lockset Vestibule Latch Only

SKU CH-8ZRF-9QQP9

A left-hand mortise lockset with vestibule function and latch-only operation in polished brass finish

  • FinishPolished Brass
  • TypeMortise Lockset
  • KeyingKeyed Different
  • Vestibule function keeps exterior locked while interior remains free
  • Latch‑only design simplifies installation by omitting bolt and rocker
  • ADA‑compliant lever and escutcheon meet accessibility requirements
  • Thru‑bolted screwless trim provides secure, clean mounting
  • Solid polished brass cylinder with two keys included

Polished Brass Mortise Lockset

The Marks Metro 116DW/3 is a polished brass mortise lockset designed for vestibule doors. It operates with a latch-only mechanism and includes no deadbolt or rocker. The lock is handed for left-hand doors and ships with a solid brass cylinder and two keys.

Vestibule Latch-Only Function

The vestibule function keeps the outside lever locked at all times while the inside lever remains free for egress. No thumb turn is present on the interior side. Screwless angled lever escutcheon plates are thru-bolted for secure mounting. Independent spring-loaded captivated spindles and lever support springs provide consistent lever return.

Left Hand 2-1/2 Inch Backset

This lockset requires a left-hand door preparation with a 2-1/2 inch backset. The front face plate measures 1-1/16 by 7-5/8 inches. It is not suitable for right-hand doors or for applications that need a deadbolt or interior thumb turn.

Highlights

  • Vestibule function keeps exterior locked while interior remains free
  • Latch‑only design simplifies installation by omitting bolt and rocker
  • ADA‑compliant lever and escutcheon meet accessibility requirements
  • Thru‑bolted screwless trim provides secure, clean mounting
  • Solid polished brass cylinder with two keys included

Specifications

FinishPolished Brass
TypeMortise Lockset
KeyingKeyed Different

Questions about this item

How often should the spring-loaded captivated spindles and lever support springs be inspected or replaced?

The independent spring-loaded captivated spindles and lever support springs are built for commercial duty; inspect them during routine hardware maintenance and replace only if lever return feels weak or binding occurs.

What component reaches its limit first during continuous heavy-traffic operation?

The latch bolt and its spring-loaded spindle assembly endure the most cycles and will show wear before the solid polished brass cylinder or escutcheon plates.

Does the polished brass finish or cylinder generate noticeable heat after all-day use?

No, the mechanical latch and solid brass cylinder operate without electrical components, so they produce no measurable heat during normal all-day operation.

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