Door Hardware Reference

Identify it. Measure it. Match it.

Start with the job in front of you: identify an unknown part, measure a replacement, or match hardware by function and finish.

Start with the job

What are you trying to do?

Identify a partUse shape, mounting, movement, and door location to narrow the hardware family. Measure a replacementRecord the dimensions that determine fit before removing or ordering anything. Match finish & functionTranslate common lock functions and finish codes into plain language.

Latest spec sheet Feature · 2026-08-09

Schlage Lock Cylinder Replacement: Fit and Installation Guide

By Walt Freeman, a door-hardware fitter with 25 years of commercial and residential experience.

Spec

Filed 2026-08-09

Revised —

Class Feature

Length 4,443 words

Code & safety

Fire doors, egress hardware, accessibility clearances, and electrified openings can be code-controlled systems. Confirm the listing, manufacturer instructions, and local requirements before altering them.

Materials index 5 line items · newest first

Line	Item	Compares	Class	Filed
01	Schlage Lock Cylinder Replacement: Fit and Installation Guide By Walt Freeman, a door-hardware fitter with 25 years of commercial and residential experience.	—	Feature	2026-08-09
02	How to Measure Door Hinges: Step-by-Step Replacement Guide Replacing a residential door hinge is not simply a matter of matching the size printed on the package.	—	Feature	2026-08-08
03	Width of a Standard Door: U.S. Sizes by Door Type A typical U.S. exterior or front door is 36 inches wide, while an interior door is commonly 30 or 32 inches wide. These are common market dimensions, not one…	—	Feature	2026-08-07
04	Door Kick Plate Alternatives: A Damage-First Guide The most useful door kick plate alternatives are not necessarily different materials shaped like the same familiar plate. They are solutions matched to the…	—	Feature	2026-08-06
05	Mortise Lock Sets, Explained: Parts, Fitting & When They're Worth It What a mortise lock set is, how it differs from the bored locks on modern doors, what the parts do, and when retrofitting one makes sense.	—	Feature	2026-08-06

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