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5 Articles

Grade 1 hardware ×

When a Passage Mortise Latchset Goes Into the Wrong Opening: Matching Function to Door Reality

What This Guide Covers and Who It Helps A Grade 1 passage mortise latchset is one of the most straightforward pieces of hardware in a commercial building — until it ends up on the wrong door. This gui...

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Aug 27, 2026

Hold-Back Function on a Mortise Lock: What Actually Happens at the Door When You Activate It

What Is the Hold-Back Function on a Mortise Lock? A mortise lock with a hold-back function does one specific thing: it lets the occupant retract the latch bolt and keep it retracted without holding th...

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Aug 15, 2026

Propping vs. Holding Back: When a Mortise Lock Hold-Back Function Is the Right Answer for Your Door Schedule

What This Article Covers This guide is for commercial hardware specifiers, facility managers, and installing contractors who encounter doors that need to stay latched open during business hours -- but...

Grade 1 hardware commercial door hardware door schedule specification hold-back function mortise locksets

Aug 3, 2026

Fire-Rated Cylindrical Locksets: What the UL Listing Actually Requires at the Opening Level

Why the Lock Label Alone Does Not Make the Opening Fire-Rated This article is for facility managers, commercial contractors, and architects who specify or maintain doors with cylindrical locksets on f...

Grade 1 hardware NFPA 80 UL fire rating cylindrical locksets fire door compliance

Jul 31, 2026

Specifying Privacy Mortise Latchsets for Commercial Interiors: A Practical Guide

Why Privacy Mortise Latchsets Deserve Closer Attention on Your Hardware Schedule Privacy locking functions show up on nearly every commercial project -- restrooms, exam rooms, counseling offices, priv...

Grade 1 hardware commercial door hardware institutional hardware mortise latchsets privacy hardware

Apr 22, 2026