Screw Pin Shackle
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Thread: Screw Pin Shackle

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    coaltrain's Avatar
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    Screw Pin Shackle

    Instead of emailing you this question I thought I would post it here - maybe some other's input is warranted.....

    With the upcoming sling straps you are working on, one item that usually goes hand in hand when working with slings are the shackles.

    Click image for larger version. 

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    I'm not sure the proper way to measure these. I bought a shackle from Tractor Supply last week that was 1/2". What I found that 1/2" counted as the diameter of the screw pin. This is actually quite a large shackle. The one you have listed on your site says it is 1/2". I was wondering if you were thinking about offering some smaller sizes to accompany the upcoming sling straps.
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    ~Stan~
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    Captain Hook Kennyd's Avatar
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    Shackles are measured by the "body" diameter, not the pin-the pin is always larger. Here is a dimensional drawing of the ones we carry (May differ slightly):

    Click image for larger version. 

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    Here is a reference picture with a dollar bill and a oblong ring, we have no plans to carry any other sizes as we feel the 1/2" 2-ton rated one is a perfect match to our product line.
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    Kenny

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    coaltrain's Avatar
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    Quote Originally Posted by Kennyd View Post
    Shackles are measured by the "body" diameter, not the pin-the pin is always larger. Here is a dimensional drawing of the ones we carry (May differ slightly):
    Perfect! Just what I needed to know. I'm going to compare your specs against the one I just bought.

    Just by looking at the pic along with the oblong ring, the shackle looks to be the appropriate size to use with the 1" slings.

    Thanks!
    ~Stan~
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    Knowing the pin diameter is important when you need to rig something where the pin is going to be the part that will be connected to a sized eye.
    On the job you do alot of requesting for a certain pin diameter shackle.

    For example, the size of the hole in Ken's shackle lift points.
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    Captain Hook Kennyd's Avatar
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    Quote Originally Posted by blue87fj60 View Post
    For example, the size of the hole in Ken's shackle lift points.
    Click image for larger version. 

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    Kenny

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    blue87fj60's Avatar
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    Yep, i forgot the size.
    I had some 7/16 Crosby's.
    A 1/2 would be a better fit but in no way is a 1025 going near the rated 4000 capacity i figured for one let alone three points.
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    I've seen some "die-hard" Ironworkers who use real small ones as ear-rings, the pin goes through the hole in their ear.
    I have no idea what size shackle it was, and, wasn't going to inflate his ego by asking.
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    coaltrain's Avatar
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    Thanks to your posting the shackle specs and how to measure these I now know what I have.

    The one I just bought is actually a 3/4" shackle with a 7/8 pin. It is stamped on the shackle but never looked at it - just looked at the tag on the shelf which said 1/2. Obviously mis-marked and mis-priced - will have to pick up another. This size is perfect for the drawbar on my 2520.

    The other one I have and have been using for years is a 5/8 with 3/4 pin. The only problem I've had with that one is the hook on my 3/8 chain won't go through it.

    So your 1/2 will be the next size down from what I have and be perfect for the sling use.
    Kennyd likes this.
    ~Stan~
    It is what it is
    Knowledge is power, ignorance is bliss
    2520 w/200CX w/62D2

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