Commercial Door Hardware Nomenclature

Tubular latch or latch mechanism the cylinder driven through the edge of the door with a spring loaded latch that keeps the door closed or allows it to open. The horizontal distance measured from the edge of the door to the center point of the bore hole. This glossary is a complete guide to phrases and terminology for windows and doors that you will find throughout the marvin website including additional guidance on new marvin products.

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Commercial Door Hardware Terminology

Fortunately schlage has provided a glossary of door hardware terms on their website.

Commercial door hardware nomenclature.

This post has two door hardware terms that are good to know. American nation standards institute. The leaf of a pair of doors double doors that opens first and has the locking or latching device the other door is called the inactive door and opens when flush bolts or surface bolts are released. We ll also go over the basics in this post as well.

Remembering all the terms and terminology of door hardware can be difficult especially if you re a first time buyer. A circular trim plate attached to the door under the knob or lever. Door hardware function the following list shows different door lockset functions. You can see the bore hole that is 2 1 8 in diameter.

L imits the door s opening swing it is part of the frame and the door rests on it when closed. The area where the top surface of the plug and the cylinder housing meet. Only the door no jamb hinges threshold or door hardware. Manufacturers may use various terminology but these are standard terms.

The bar that connects knobs or levers through the door and operates the lock mechanism. The backset is the distance from the edge of the door to the center line of the prepared cross bore hole drilled to install most locks. We take pride in our easy online ordering system allowing you to configure a door without the hassle or confusion giving you easy access to some of the lowest prices on the internet. Refer to specific manufacture data prior to specifying types.

Exterior door units also include casing brick molding astragal and weather strips and is pre hung. There are specialized terms referring to all sorts of aspects of windows and doors. A strip of steel or wood which covers or closes the gap between the edges of a pair of doors some types overlap others meet at the center line of the gap. The height which the bottom pins must be raised by the key in order to rotate the key cylinder.

Cdf distributors is the online source for commercial steel doors hollow metal doors wood doors fire rated doors welded frames knock down frames door hardware. Other door hardware terms. Locksets that require a key to retract the latch or deadbolt on the inside are not recommended for egress use. Door unit a door with a jamb hinges and is bored for door hardware.

The door prep image seen to the left applies to any standard tubular lock or latch set including interior door knobs door levers deadbolts entry door handle set and door handle plates. Beyond parts there are a few more terms you might find helpful when it comes to purchasing and installing your door hardware.