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Replace door lock sizing

donegal11 · 2013-10-27 21:20:51

Hi I'm replacing a door lock and there seems to be two types 64mm and 76mm. Which should I choose I measured the existing width is around 7cm? Whats the difference in them ? would the 64mm one line up with 76mm door holes?

27-10-2013 9:20pm

#1

donegal11

Closed Accounts Posts: 689 ✭✭✭

Join Date: October 2005

Posts: 662

Hi I'm replacing a door lock and there seems to be two types 64mm and 76mm. Which should I choose I measured the existing width is around 7cm? Whats the difference in them ? would the 64mm one line up with 76mm door holes?

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Comments

#2 28-10-2013 5:08pm

philog

Registered Users, Registered Users 2 Posts: 241 ✭✭

Join Date: January 2009

Posts: 222

you need the 65 mm one or two and a half inch ...the other one is 3 inch ..used mainly where knobs are used ,as opposed to handles ,,,keeps your knuckles clear of door frame ..

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#3 31-10-2013 12:16am

johnpault

Registered Users, Registered Users 2 Posts: 7 ✭

Join Date: November 2010

Posts: 6

Just unscrew and take out the deadbolt, bring it to a locksmiths shop and look to buy the exact same one but of course the keys will be different. If it's too old a lock they'll give you something similar they have in stock that should fit.

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