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Thread: Spool Clamps - Making Them

  1. #1
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    Default Spool Clamps - Making Them

    I have twenty 8" 1/4-20 carriage bolts and matching wing nuts. I cut about fifty 1" X 1" round pieces. How important is it to put something on the surface of those round pieces to protect the wood? The "professional" clamps have cork or rubber on them.

    Since I will be using these clamps before the top and bottom surfaces are sanded and finished, it doesn't seem like padding would be essential - especially since I don't think I have anything appropriate.
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  2. #2
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    I've always added cork as it helps with them holding onto the parts to be clamped rather than slipping away.

  3. #3
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    Quote Originally Posted by Allen View Post
    I've always added cork as it helps with them holding onto the parts to be clamped rather than slipping away.
    Yes, that makes sense. I'll have to see if I have something lying around that is grippy. I could get cork from Amazon for about $12 if I want to wait two weeks.
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  4. #4
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    I put cork on mine also (cheap sheet bought at the hardware store and readily available), but truth be told, it was quick, easy and kind of fun and they look almost like store bought spool clamps. As to whether they really are needed, I'm not so sure as you would really have to snug them down really tight to mar the wood. Also keep in mind Jerry that spool clamps can exert a lot of pressure and you don't want to glue starve your join. Moderately snug and you are good to go.

  5. #5
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    Australian sparkling wine corks will expand to a useable size after removing them from the bottle. (You can speed this up by putting them in warm water).
    If your budget doesn't stretch to Australian sparkling wine I'm sure lesser French or other European varieties have similar corks.
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  6. #6
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    Definitely use cork, especially if going to use spruce or cedar tops. When I made my spool clamps I glued on the cork to some wood and then used a hole saw(drill bit) to cut them out. This is dual purpose as it cuts out a circular block and also leaves a hole in the middle for the bolt.

  7. #7
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    Quote Originally Posted by mikeyb2 View Post
    Definitely use cork, especially if going to use spruce or cedar tops. When I made my spool clamps I glued on the cork to some wood and then used a hole saw(drill bit) to cut them out. This is dual purpose as it cuts out a circular block and also leaves a hole in the middle for the bolt.
    Yeah, cork might be the way to go, but I hate shopping in stores. I wondered about using a hole say, but I thought it might tear up the cork. I bet Joan Fabric has cork, and they have curbside pickup.
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  8. #8
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    Auto parts stores often have sheets of cork for making gaskets.

  9. #9
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    I think the cork will compress and protect softwood like spruce tops from being marred or dented. I think $ stores may carry adhesive backed rolls too.

  10. #10
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    Quote Originally Posted by jcalkin View Post
    Auto parts stores often have sheets of cork for making gaskets.
    I ordered a pack of 30 4" X 4" adhesive squares, arriving July 2. I'm in no rush. I have enough to keep me busy.
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