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Polished brass mortise lock body right-hand vestibule latch only

Marks USA

Marks USA 8DW/3 Grade 2 Mortise Lockset Polished Brass Right Hand Vestibule Latch Only Body

SKU CH-Y5R6-XRSS4

Grade 2 mortise lock body with vestibule function and latch only for right-hand doors in polished brass

  • FinishPolished Brass
  • TypeMortise Lockset
  • KeyingKeyed Different
  • Grade 2 certified security for commercial vestibule doors
  • Vestibule function keeps exterior locked while interior remains free
  • Latch-only design fits handlesets without deadbolt or rocker
  • No interior thumb turn prevents accidental lockout from inside
  • Polished brass finish resists corrosion on high-traffic entryways

Mortise Lockset for Handlesets

This Grade 2 mortise lockset body is designed for Marks 8 Series handleset styles including Cambridge, Crown and Georgetown. The polished brass finish suits traditional commercial or residential entrances. Supplied as a latch-only body without bolt, rocker or interior thumb turn. Intended for right-hand doors requiring vestibule function.

Vestibule Function with Latch Only

The lockset operates as an always-locked storeroom latch; the outside lever is rigid and the inside lever retracts the latch. No deadbolt or thumb turn is present, so the door remains secured from the exterior at all times. This configuration meets the needs of corridors or vestibules where free egress is required but entry is controlled by key.

Compatible with Listed Handleset Trims

The body fits the 2-1/2 inch backset and 1-1/16 by 7-5/8 inch face plate used by the specified Marks handleset families. It requires the matching exterior handleset trim and interior lever or knob to complete the assembly. Keyed-different cylinders are supplied separately for each lockset.

Highlights

  • Grade 2 certified security for commercial vestibule doors
  • Vestibule function keeps exterior locked while interior remains free
  • Latch-only design fits handlesets without deadbolt or rocker
  • No interior thumb turn prevents accidental lockout from inside
  • Polished brass finish resists corrosion on high-traffic entryways

Specifications

FinishPolished Brass
TypeMortise Lockset
KeyingKeyed Different

Questions about this item

What does the Grade 2 rating mean for daily use on a commercial door?

Grade 2 indicates the lockset meets ANSI/BHMA standards for heavy-duty commercial traffic, suitable for offices, schools and public buildings.

How does the sectional mortise interface limit which handlesets can be fitted?

The lock body only accepts Marks 8-series sectional handlesets such as Cambridge, Crown, Grand Crown, Georgetown, Heritage, Madison, Grand Madison, Newport, Portland, Towne, Grand Towne, Claremont, Wharton and Georgian styles.

What door preparation is required for the 2-1/2" backset and 1-1/16" x 7-5/8" face plate?

A mortise pocket cut to 2-1/2" backset with a face-plate recess measuring 1-1/16" wide by 7-5/8" tall is needed for this right-hand body.

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