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 Door Locks · 2026-08-09

What Must Match for a Schlage Lock Cylinder Replacement?

A cylinder that accepts an SC1-style or Schlage C-keyway key may still have the wrong body, housing height, length, tailpiece or retaining method.

Spec

Filed 2026-08-09

Revised 2026-08-24

Class Door Locks

Length 4,439 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	What Must Match for a Schlage Lock Cylinder Replacement? A cylinder that accepts an SC1-style or Schlage C-keyway key may still have the wrong body, housing height, length, tailpiece or retaining method.	—	Door Locks	2026-08-09
02	How to Measure Door Hinges for a Drop-In Replacement Open a butt hinge flat. Measure height along the pin and width across both leaves, then match the corner radius.	—	Door Hinges	2026-08-08
03	Find the Standard Door Width for Each Type of Door A 36-inch slab, a 36-inch complete unit, a 36-inch rough opening, and 36 inches of usable passage are four different things.	—	Door Measurements	2026-08-07
04	Door Kick Plate Alternatives Match the Damage Use a clear panel for claws on the door face, an edge guard for localized wear, a pet barrier to prevent contact or a taller plate for cart impacts.	—	Door Protection	2026-08-06
05	What Is a Mortise Lock Set? Retrofitting one into a bored door means filling and recutting, so it's usually a door-replacement decision rather than a hardware swap.	—	Door Locks	2026-08-06

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