Rim Cylinder Size Confusion

Guys, I need to replace the rim cylinder on my door, which I thought would be pretty straightforward, I did it a few years back - take lock off, get cylinder out, mesure, cut new cylinder to the same size, replace, job done. 

If you look here: https://www.screwfix.com/p/yale-1109-night-latch-replacement-cylinder-brass-33mm/76160  this looks like it'd do the job - the door's just over 40mm thick timber. So, that'd fit. Now B&Q confuse me: https://www.diy.com/departments/yale-high-security-chrome-plated-metal-single-rim-cylinder-lock-l-42mm/251725_BQ.prd  42mm - it doesn't say a range of measurements, just 42mm. With these cylinders having the bit you hacksaw off that seems odd no? - I was drawn to it as it's a high security one (and B&Q have 10% off and free delivery at the moment, and seem to be the only place doing the 6pin high security version!).

Any thoughts much appreciated! Our current lock is an ERA, but I guess it doesn't matter if I choose an ERA, Yale or whatever cylinder. 

Comments

  • tacpot12
    tacpot12 Posts: 9,195 Forumite
    Ninth Anniversary 1,000 Posts Name Dropper
    If you check the product listing carefully you will see that the B&Q/Yale product is 42mm long, whereas the Screwfix/Yale product is 33mm in diameter. 

    The B&Q/Yale product will be fine for your 40mm-something door. The Screwfix/Yale product is not a British Standard lock, and should not be used where an insurance-rated lock is required. 


    The comments I post are my personal opinion. While I try to check everything is correct before posting, I can and do make mistakes, so always try to check official information sources before relying on my posts.
  • BUFF
    BUFF Posts: 2,185 Forumite
    Part of the Furniture 1,000 Posts Photogenic Name Dropper
    that B&Q cylinder looks like a Yale X5 & you would be cheaper getting it from https://yalehome.co.uk/catalog/product/view/_ignore_category/1/id/493/s/x5-kitemarked-replacement-cylinder/?
    Whilst it shows a kitemark symbol on the cylinder unless the rest of the lock assembly (including the faceplate which is required to be anti-drill) is BS rated it doesn't make your existing lock BS rated.
  • ChilliBob
    ChilliBob Posts: 2,297 Forumite
    Fifth Anniversary 1,000 Posts Name Dropper
    tacpot12 said:
    If you check the product listing carefully you will see that the B&Q/Yale product is 42mm long, whereas the Screwfix/Yale product is 33mm in diameter. 

    The B&Q/Yale product will be fine for your 40mm-something door. The Screwfix/Yale product is not a British Standard lock, and should not be used where an insurance-rated lock is required. 


    Cheers, I'm flipping around doing so many things at once I hadn't noticed that. Okay, I'll go with the B&Q one probably. I think I didn't even look before at dimensions as I thought they were all flexible length wise and the same circumference /diameter wise. 
  • ChilliBob
    ChilliBob Posts: 2,297 Forumite
    Fifth Anniversary 1,000 Posts Name Dropper
    BUFF said:
    that B&Q cylinder looks like a Yale X5 & you would be cheaper getting it from https://yalehome.co.uk/catalog/product/view/_ignore_category/1/id/493/s/x5-kitemarked-replacement-cylinder/?
    Whilst it shows a kitemark symbol on the cylinder unless the rest of the lock assembly (including the faceplate which is required to be anti-drill) is BS rated it doesn't make your existing lock BS rated.
    Very helpful, thanks, I also get 10% off ad a new customer, too stuff :) 
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