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  1. #31
    Join Date
    Jan 2004
    Location
    Mackay North Qld
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    5,892

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    Quote Originally Posted by SurfinNev View Post
    Wondering if they would work in timber.
    Probably in suitable thickness plywood. I have got a set I can try in solid timber.

    Grahame

  2. #32
    Join Date
    Oct 2011
    Location
    Norwood-ish, Adelaide
    Age
    56
    Posts
    5,978

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    Quote Originally Posted by SurfinNev View Post
    Wondering if they would work in timber.
    Not so sure. All the riv-nuts I've used have been in steel or Al. The two things that I have noticed are that the holes need to be pretty good diameter wise, and that those nuts really clinch up hard. I suspect that the clinching action would just push the wood out the way and it would be a sloppy fit. Could be wrong though.

    Michael

  3. #33
    Join Date
    Nov 2008
    Location
    North Brisbane. Qld. Australia
    Age
    67
    Posts
    1,102

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    These are different to nutserts or rivnuts. Designed for plastic apparently. They just get pressed into a hole and the fastener expands them so they grip. See this link -

    https://metalworkforums.com/redirect...%3DtQiamU5QUn0
    Nev.

  4. #34
    Join Date
    Nov 2008
    Location
    North Brisbane. Qld. Australia
    Age
    67
    Posts
    1,102

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    I'd love that little press they have in that video.
    Nev.

  5. #35
    Join Date
    Sep 2012
    Location
    York, North Yorkshire UK
    Posts
    5,037

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    Hi Nev, Guys,

    Yes those are nice in plastics, and would probably work in hardwood’s. The others are similar but are intended to put a thread into relatively thin and soft materials, like alloy and mild steel sheet. There are two forms, one has a thin hexagonal flange on the top and a splined serrated body. The other just cuts a spline into the metal as its pressed in place, it also pulls out quite easily, usually when you don't want it to !

    If you have the room underneath I prefer the pop rivet type where the part above the thread bulges out locking it in place.

    EDIT: Just to add that TR Fastenings will send you samples if you ask them.
    Best Regards:
    Baron J.

  6. #36
    Join Date
    May 2012
    Location
    Dandenong
    Posts
    53

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    Rivnuts are fantastic! I go nuts using them wherever they'e useful, which is pretty much everywhere! Amazing sheer strength, easy to fix, just can't be beat for convenience and ease. And way stronger than most rivets as the bolt screwed into applies holding force keeping it rigid.

    This trolley/stand for my ~500kg fly press was put together with rivnuts of varying sizes. That's a ~18mm thick steel sheet on top rivnutted on. Solid as a rock with the fly press in use on top!

    stand 02.jpg

  7. #37
    Join Date
    Mar 2011
    Location
    Adelaide
    Posts
    951

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    Rivnuts/Nutserts will not work in timber, screw threaded inserts or T nuts depending on application are the go to for timber.

  8. #38
    Join Date
    Oct 2004
    Location
    Southern Highlands NSW
    Posts
    1,669

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    Quote Originally Posted by aarggh View Post
    This trolley/stand for my ~500kg fly press was put together with rivnuts of varying sizes.
    You have a flypress that weighs half a tonne?
    Or is that the pressure it's capable of?

  9. #39
    Join Date
    May 2019
    Location
    Picnic Point, Sydney
    Age
    74
    Posts
    138

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    I bought a hand tool and hundreds of different size nutserts from Avdel about 40 years ago and unlike what I see offered today they are flush fitting. Todays Rivnuts all seem to have a flange which sometimes isn't desirable and was wondering if anyone makes a flush fit option as my stock has dwindled?

  10. #40
    Join Date
    Mar 2011
    Location
    Adelaide
    Posts
    951

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    Youíre looking for the thin sheet series.

    United fasteners keep them

    https://www.unitedfasteners.com.au/p...s#product-list

  11. #41
    Join Date
    Apr 2009
    Location
    Kingswood
    Posts
    845

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    Got a nutsert/rivnut kit off a local friend - no name and no instructions.
    It contains a selection of inserts, the set tool, and appropriate set arbors.
    Keen to give one a go tomorrow.

    But, the reference to countersunk head nutserts got me thinking that that would be a superior solution.

    Checked ebay, but no joy there.

    Then checked Bolt and Nut Australia - loads of listings of all sizes in all materials for countersunk nutserts.
    They have a walk-in 10 minutes drive from me, so tomorrow morning .....

    Two warnings from friends:
    - don't overdo the pressure, you can break the arbor,
    - don't underdo the pressure, the insert can turn in the hole.
    The borrowed tool has a travel limit adjuster, how does one set the adjuster ?

    Will keep you posted on developments.

    Keep well,
    John.

  12. #42
    Join Date
    Mar 2011
    Location
    Adelaide
    Posts
    951

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    Get a couple of extras to practice with and allow you to set the stop.
    Basically you want to set the stop to pull the tool up on full disruption of the fastener, not a big if itís not correct on the flange head ones but somewhat important for the thin sheet ones because they will pull through. Also very important with the thin sheet fasteners to get the hole size spot on. I bought the correct size drills for the ones Iíve used regularly and leave them in the case with the tool.
    Check the nose pieces of your tool against the pictures on the Avdel website, if the noses donít have the radius in them like the Avdel ones it will be an exercise in frustration trying to get them to work on the thin sheet inserts. The radius forces the top edge of the fastener beyond the limits of the hole while itís being set, without it the fastener pulls through. Some of the cheaper tools donít have it, theyíll set flanged inserts ok but not thin sheet.

  13. #43
    Join Date
    Aug 2010
    Location
    Near Bendigo, Victoria, AUS
    Age
    70
    Posts
    2,901

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    Just in case this isn't well-known: I discovered you can get rivnuts which are closed on the 'far' side. I used these to mount the solar panels on the roof of our camper. I didn't like the idea of through-holes in the roof....
    Cheers, Joe
    retired - less energy, more time to contemplate projects and more shed time....

  14. #44
    Join Date
    May 2012
    Location
    Dandenong
    Posts
    53

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    Quote Originally Posted by nadroj View Post
    You have a flypress that weighs half a tonne?
    Or is that the pressure it's capable of?
    It's a pretty big beastie! The guy I bought it from said it was around 500kgs (might be less though), and it seems to be roughly similar to at least a size 10.

    That's why I dramatically over engineered the base with close to a couple hundred rivnuts (including some beefy 20mm dia x 38mm long ones) to really keep things rigid.

  15. #45
    Join Date
    Mar 2011
    Location
    Adelaide
    Posts
    951

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    Iím curious, do the inserts in the cabinet have any bolts in them? There are none in the photos, kind of looks like youíve use them to rivet the panels together.

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