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Replacing door lock barrel: not sure about sizing

  • 24-11-2025 03:55PM
    #1
    Registered Users, Registered Users 2 Posts: 1,588 ✭✭✭


    Hi All, I want to replace the barrel on a PVC door with something more secure. I have one doubt about ordering a replacement: the current barrel is 90mm (45:45), but it protrudes beyond the door handle by about 5mm on the inside and outside (see pics below). I am thinking that a 80mm (40:40) sizing would be more approriate. Am I right in this thinking or am I missing something?

    This barrel is the one that came with the door (almost 20yrs old). It's has no anti-snap or other security features that are available now, so I want to change it. Just want opinions on the best size. Thanks

    door_barrel - Copy.jpg door_lock - Copy.jpg


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