Design Hardware Z-110-F Classroom Intruder Lever Lock


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  • Extra heavy-duty, meets ANSI Grade 1 standards
  • ANSI function: F110 (double cylinder)
  • ADA compliant, 3-hour fire-rated

Design Hardware Z-110-F Lever Lockset, Classroom Intruder Function, Extra Heavy-Duty Grade-1, (F) Flat Lever Design, US26D Satin Chrome Finish

ANSI Function F110 – Deadlocking latchbolt operated by lever from either side except when outside lever is locked from outside or inside with key. When outside lever is locked latchbolt is operated by key in outside lever or by rotating inside lever. Inside lever is always unlocked.

  • Tested to withstand over 2 million cycles
  • Best for high to very high traffic
  • Designed for fast and easy installation
  • Clutching levers standard for Vandal resistance on locking functions


  • Lock Chassis: Steel, Zinc dichromated for Corrosion Resistance
  • Trim: 5″ Solid zinc diecast levers, 3 1/2″ wrought brass roses
  • Lever Return: Independent lever return springs to prevent lever sag
  • Standard Latch: 2-3/4″ backset with 1-1/8″ x 2-1/4″ latchface – Stainless steel latchbolt w/ 3/4″ projection
  • Handing: Non-Handed – Completely reversible

Lock Function



US26D (626) Satin Chrome


Heavy Duty

ANSI Grade

Meets ANSI – A156.2, Series 4000, Grade 1 Standards

Fire Rating

UL Listed for “A” Label 3 Hour Fire Doors

ADA Compliance

Meets ADA requirements – A117.1 Accessibility Code




Stainless steel latch bolt with 3/4” projection, 1-1/8" x 2-1/4” latchface


4-7/8” x 1-1/4” ASA/ANSI strike with curved lip to meet ANSI A115.2 door frame preparation

Cylinder & Keys

6-pin conventional, keyed different, with 2 keys


Schlage C Keyway


Non Handed – Completely Reversible


Combination screws for wood or metal doors & frames

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Design Hardware Z-110-F Classroom Intruder Lever Lock