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  1. #1
    Join Date
    Nov 2013
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    Default yale 935 ? padlock bicentric

    this lock is 2 1/16" across bottom,i have the larger 945 ,need model # for this lock ?
    it has guard on bottom and 1043 on bottom ,both take y52 keyway 5 pin
    guard must be turned before the other key will turn,tried to pick,nope,shimming does not work because of tight taper fit ?
    any info on picking this would be helpful,info would be by pm.
    thank you,help is appreciated
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  2. #2
    Join Date
    Jan 2013
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    Country: United States

    Default Yale 935 ? padlock Bicentric

    This is only information i have so far as could be 3937 or 3937B. As far as picking the lock yes it hard just need to keep trying until get it open.
    Tim.....
    Attached Thumbnails Attached Thumbnails Bicentric Super Pin Tumbler.jpg  

  3. #3
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    Default

    thank you,Timothy,appreciate your help
    i will keep picking,the 945 was easy,this 935 not to easy
    thank you

  4. #4
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    Default

    a few more pictures,lock works great,some pins were kinda round at bottom making it hard to pick
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    Guard key has to turn first thrn other key turns to open lock. Not key retaining but have to turn keys back and remove keys

  5. #5
    Join Date
    Oct 2010
    Location
    Tonawanda, NY, USA
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    Default

    Quote Originally Posted by nathanbonstein View Post
    a few more pictures,lock works great,some pins were kinda round at bottom making it hard to pick

    Guard key has to turn first thrn other key turns to open lock. Not key retaining but have to turn keys back and remove keys
    Nice job Nathan, perseverance payed off!

    Pete Schifferli

  6. #6
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    Thank you,Pete,Timothy
    Merry Christmas and happy new year to everyone

  7. #7
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    Default

    937S
    closed is 1 1/8"
    2 3/8" across bottom
    both keys rotate togather
    only one key can be removed at a time

  8. #8
    Join Date
    Oct 2010
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    Tonawanda, NY, USA
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    Default

    Quote Originally Posted by nathanbonstein View Post
    937S
    closed is 1 1/8"
    2 3/8" across bottom
    both keys rotate togather
    only one key can be removed at a time
    Nathan,
    I believe these may also have been made in a "dual-custody" version where both keys are required to open, similar to a safe deposit box?

    Pete Schifferli

  9. #9
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    Nov 2013
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    Default

    yes,both keys are required and turn togather,one key will not operate padlock
    and only one key can be removed at one time
    thank you,Pete for info

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