The 5 Major Lock Profiles Guide

By Brian Rhodes, Published Mar 01, 2021, 10:33am EST

Locks are used everywhere, but they are not all the same, sometimes for no other reason than geography.

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The variation complicates the most basic access control designs. Inside, we compare the 5 common types used worldwide and address their respective pros and cons for each:

  • Euro
  • Oval
  • KIK/ Knob Lock
  • Interchangeable Core
  • Mortise Profile

********

* '**** *******' ********* the ***** ***** ** the **** ******** ** the ****** **** ******* a ********** ***.

**** *** *****, *** number ** ******** *** slowly ************ **** ** five ***** *****, ***** in *** ***** *****:

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** **** *****, ********* is *** ******* ************ reason *** ***********. *** example, '****(****) *******' ***** are ****** ***** ***** in ***** ******** ***** KIK **** ** ******* cylinders *** ************* ****.

** ***** *****, ******* profiles **** ********** ********** that *** ** ******, and ******** ** ***** designed ** **** **** every ****, ** ******** a **** ** * specific *** ** ******* or **** **** ***** noting *** ** ***** specific *****.

Mechanical ***** ****** ********** ******

************ ** ********** ****** control, ********* **** ** paid ** *** ********** locks.

**** *** ********* ** 'stand-alone' **** ******* *** retrofit ********* **********, *****, *** ***** ******** locks, ********* **** ** purchased **** ***** **** existing ****** ******* *** door *****. **** ******** even ********** ******-******* ***** to ********** **********-**** ********** like **** *****.

*** ***** ***** ***** three ****** ******** ** where '**** ****' ****** control *** '*** ****' mechanical **** ******** ********:

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*** **** ** **************** can ***** **** *********** ordering ******** ** ********** a ******** **** ****-*** will *** ****.

Major **** ******* *****

**** *******

******** ********** ****** ** a '******** *******' ** door ***** **** *** years ***. ** *******, standardization ***** **** ************* and ********* ***** ******, and *** '**** ******* Lock' ****** *** ***** that *** * ********** of ******* ******* *****.

* *** ********* ** they *** **** ** 'dual ********' ************** - or ******, ** **** to **** **** * key **** **** *** inside *** ******* ** an ******* - ** orientation ********* ******* ** North *******.

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  • ****: **** **** *** deep, ****** ***** ****** in ******, **** ****** to ******** *******. '******' pin ******* *********.
  • ****: *** **** ******* can ** ****** ******, and ****** ***** *** not ** **** ****** to ***** ******* *** deep ****.

******, *** ******** **** often ***** **** ***** can ** ******** **** common ********* ** *******. The ***** ***** ***** an *******:

** * ******, **** higher-end, ****** ******** **** locks *** ***** **** 'anti-snapping' ******, ***** *** lock *** ***** ** vulnerable ** ********, *** defeating ** ** ****** it **** ****** ** protected ** ******** ******* bars ** ***** ****** that ****** ** *****.

**** *******

**** ******* ** * variation ** *** **** Profile *** *** ******* use ** *. *******. Because *** ******* ** wider, *** **** ** not ** ******* ** machine *** ****** **** can ** **** ******, lowering *** ************* **** relative ** ******** ********.

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  • ****: *** ****** ******* makes *** **** ******* more ********* ** ***** and ******.
  • ****: *******, *** *** of ****** **** ***** oval ***** ****** ** pick **** ***** *****.

*** *****/ **** *****

****** *** '*** ** Knob' ********, **** ******* is ****** ** ****** commercial ***** **** *** residential **** *****. ***** the '****', ** *** part *** *** ******* into *** ** *** same ******** ** ***** lock ********, *** **** of *** **** ** quite ***** *** ****.

** *** ***** *** not ********* **** ******* or **** *** ********** by *****, **** *** very ********** ** ***** broken ***.

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  • ****: **** ******* ******* globally *** ****** ***** major********* ******** ************ ******* the *******.
  • ****: **** ** ********* in * *******-******* ****** or ****, ********* ********* complex ******** (**********) *********** **** *******. Turning **** ** ****** doors *** ** ********* as * ******.

*************** **** (**)

**** **** ** **** is ****** *** *** ability ** '**********' ******* ** *** field.** ***** **** * removable ****(**** ********* **** * special ***) **** **** into ***** ******* **** cylinders.

** * ******** ***** to****** ****, **** ****** can **** *****, *********** changing *** **** **** to **** *** ****.

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*** ****** ******* ** swapping**'** ****' ***** ******* and ** ******** **** in '****** ***' ******* to ******** ***** *********.

  • ****: ***** *** ***** repinning ** *****. "********* cores" *** ** ********* that ***** ************/******** ***** access, *** **** ******* at **** ********** ** non-locksmiths.
  • ****: ************* ********** ** keys *** ***** *** required **** ***** ** locks ** ***** *******, or **** *** ******** in *** ********** *** result. *** ** ****, IC ***** ****** ** installed ** *** *****.

******* *******

****** *** **** **** the '**************' ***** ** ***** was *********, **** ******* is *************'********' ******** ******* *** is **** ** **** different ***** ** ******* hardware.

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  • ****: ******** ******* ** securely ********* **** * door,*** ** * *********** piece ** ***** **** cannot ** *******/****** **** the '**** *******'.
  • ****: ******* ** ***** substantial ****, ******* ***** cannot *** ***** **** and ************. *** ****** **** also ******** **** **** metal ** ***********, ********* in ****** ******** *****.

*******

*** **** ** ***** profiles************, ********* ** ************ materials, ******** ********, *** branding. *******, *** *** 'high ********' ***** ********* cost $** ** ****, while ***-******** ****-******** ***** often **** **** **** $15.

**** **** ** ****** variable ***** ** *****, keyway ************, ****** *** system *************, *** ************ materials, **** ******** ***** or ***** ****** ****** a ****** ********** **** than ****-******** ******* ***** or *****-*********-****** *********.

**** &**********

*** ** *** **** important ******** ** * lock ** *** '***' or '*********'. **** ***** of ***** ***** **** the **** ******** **** a *** ** ******** and ****** ** *** physical ********* ******* *** lock ******** *** *** latches.

***** ******* **** ** ***** types** ****/********* **** *****, with * *** ******** shown *****:

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***** ***** ******* ********* is ********* (*************, ******, latch *************) *** *** varies ******* **** *****. Specific **** ********* *** have ************ ** *** or * *** ****, but *********** ********** *** found ******* **** *****. *******, ****************************** **** ****** *** proper ***/********* **** *** product, *** **** ******* may **** ** ** installed **** * **** cylinder *************.

********** ** **** ******* type, **** *** ** tailpiece ** ********* ******* with ***** ****** **** the **** ** *** lock.

***************

** ****** *** ******** a ********** **** ****** to **, ** **** always ** ********** ** weaknesses. **** ***** *** less ********** ** *********** vulnerable **** ******, *** given ****** **** *** familiarity, *** **** *** be ******.

'********', ** ****** '******* vulnerabilities' ** *** ****** of *** *** **** profiles ********* ***** **** become '*********'. ***** ********** profiles **** ***** ******** to ** ********* ******* tampering ** ****** ******** to ***** **** ********** designs.

*******, *** ****** ***** show **** **** ***** 'best ** *****' ******** can ** ********* **** time.

**** ********

**** ************* ******* ********* to '**** *******' *****, but *** **** ** used ******* **** '*** locks' ** **** *** not ************ **********:

**** *******

**** ************* ******* ** every **** ** **** commonly **** *****; *** 'Pin *******' ****. ***** this ************* ******, ** remains * ****** ******* of **** ******** ********, who ***** ********* ***** seek ****** ******* ** illicit ****** ****** **** the ****-******* ******* ** locks:

*** **** ** **** vulnerability, *** ******* *** **********.

Electronic ****** ******

*** ******* ** *** mechanical **** ** *** always * ****** ** selecting *** ********, *** for **** ******* ** is ********. *** * system ***** ******** ******* or********** ****** * ****, the ********** **** ******* is ******* **********. *******, for '*****-*****' ***** **** replace ** ******** *** entire*******, *** ******* ** a **** **************.

**** ***** ********** ****** options, ******* ********* ******* locksets:

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***** ***** ***** **** fit ***** ******** ***** and *** *** ***************. Unless *** ******** ** specifiers *********** ***** ******* is ******, ** ****** system *** ** ********* that ** ********.

***** ***** *** *********** the **** *****, **** the **** ********** ***** which **** ** **** profile **** ***, **** with '***/**** *****' ***** called '*********** *****'.

** ** ***-**** *** a ********** ****** ****** in ***, ******** *** same **** ** **** in *** ***** **** prevent ********** *** ********* issues.

Other **** ******

**** *** * ****** of ****** ************ ********** mechanical ******** *** *********** to ********** ****** *******. These **-***** ****** *******:

Comments (10)

** *** ******* ***** really **** *********** ***** that ******* ***** *** internal *****?

****. *****.

Agree
Disagree
Informative: 1
Unhelpful
Funny

******* ***** ******* *********** locks ** ******* *******. While ** *** ** hard ** **** * difference ***, *** ********* used ** **** * mortise **** ** **** basic **** **** ** needed *** ***********/*** *****.

*** *******, ******* ***** are ******** **** *** stock **** **** ***** any ****** ******** ***** 1820 *** **** ***. But *** *** ***** uses * ******** ********* profile (**** **** *********** spline ** *** ****) that ***** **** *****/******* specification ********* ** *********.

Agree
Disagree
Informative: 1
Unhelpful
Funny

**, ***.

*******, *** *** ******** non-overlapping? *** ******** ** this ** *************** ******** ******* *******?

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Agree
Disagree
Informative
Unhelpful
Funny

*** ******** ** **** an *************** ******** ******* *******?

***, ** **. *** threads ** * ******* housing *** ********* *******, and **** ** **** called '***' ** *** overlap *** ** *********. But ** ******* ** the **** ****** ********/***** here.

Agree
Disagree
Informative: 1
Unhelpful
Funny

*** "***" ***'* * mortise ******** **** ** threads. **'* ********** *********. Granted **** **'* ********* on *** **** *** all *** *** ** the **** **** **** the ****. *** **** is ***** ** ****.

*** *** ******** ** very ******* *** ***** bars. *** ***** *** seen * ***.

Agree
Disagree
Informative
Unhelpful
Funny

*'** **** ** ***** that ******** *** ***, the ********** *** *********. The ******* ** * mortise ******* ** **** being **** ** * rim, * **** *****.

**'* ********** *********.

********. ** **** *****, they *** ********* ***** the **** ******, **** variations ** *** **** housing *** **********. *** diameter ** *** **** body *** *** **** where *** *** ** inserted ** ** *********.

Agree
Disagree
Informative
Unhelpful
Funny

*** ******** ** *** same. **** ****** **** use *** **** ****** cap ** *** *****. But **** ** ** for *** ******* ********** in *************.

*** **** ***** *** key ** ******** ** different. ** *** ** be ******* *** ******* use **** *** *** rim *** **********. *** not *** **** **** piece ** *** ***-*-***** cylinder.

*** ** *** **** really ***** ***** *** raw ********* **** ** manufacturing. **'* ****** ***** application, ************, *** *******. When ** ***** ** those **** *** ********** different.

Agree
Disagree
Informative
Unhelpful
Funny

**** ***** ***** *** differences ** *******, *** I'll *** ****** **** detail ****.

******* ***** ****** ** used ** ***, ** vice *****, *** **** is ** ********* ******.

Agree
Disagree
Informative
Unhelpful
Funny

**** *******. *********** *** well ******/*******. ***** ***.

Agree
Disagree
Informative
Unhelpful
Funny

***** ******* ***** :) That ** ***.

***

Agree
Disagree
Informative
Unhelpful
Funny
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