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binding mounting using nut inserts

post #1 of 10
Thread Starter 
Has anyone tried to mount any bindings using cabinet makers threaded inserts that look like this?

They're usually called Type-D inserts and are available from a number of places in many different sizes.
post #2 of 10
Here's something somewhat similar that Tognar sells for, I think, the same purpose (see heading "Helicoil Screw Insert Kits"):

http://www.tognar.com/binding_tools_...html #SHP-320

I suspect you have more expertise in such things than I do, so I can't tell you a whole alot about what's better or why. Just a bit of information that may be useful.

One other tiny one: I have some race-stock Atomic skis on which some of the mounting holes in the plate have threaded brass inserts. Well, they look like brass, anyway.
post #3 of 10
Those nuts are probably too long (most binding screws penetrate 9mm) and the wrong thread to work properly with skis. I work in the building industry so I know those nuts. Helicoils are the best bet to repair damaged threads, or for frequent binding removal.
post #4 of 10
Thread Starter 
Thanks for that guys.

I reckon that there is well over 13mm of depth available on both my pairs skis so that many of these inserts would fit:

Would you still install Helicoils on virgin skis?
post #5 of 10
post #6 of 10
I second the Why? Are you wanting to remove your bindings a lot? Plus the inserts you show wouldn't allow the binding to sit flush to the top of the ski. Also, IMO, to install them, far to much material would need to be removed from the ski, compromising the structural integrity of the ski.

post #7 of 10
altis---1st Welcome to Epic.
2nd and please don't take this personally---If you know as little as I think you may about mounting bindings you should leave this to certified techs. Are your legs really worth $ 40-$50 (the average cost of a binding mount) if you happen to get it wrong ?

I am familiar with the insert in your first post (I'm in construction) and thought your post may have been a troll or a joke. There is no chance that an insert like that has the strength to hold up to a binding mounting situation. A heli-coil works for repairs but isn't for new installations (typically).

If you are doing this to enable you to remove bindings frequently simply go to a set up like a (Tyrolia) rail-flex or other that are similar.

As you are new here you may not realize the quality of the folks here. There is incredible (professional) talent here and tons of knowledge from all---pro and "Am" alike. I hope others here will be a little more direct with you as I have. It may save one of us from skiing up to you someday with 2 broken legs.

Again ---nothing personal, I just think (my humble opinion) you are making a HUGE mistake
post #8 of 10
altis, as the others have asked and intimated, this is not a good idea. What are you trying to accomplish? The Line bindings are specifically designed to go from ski to ski, and some of the rail-based skis are, too. But, without knowing your intent (there's that word, again!), it's difficult to know how to counsel you.
post #9 of 10
Thread Starter 
I started out by thinking about moving bindings between skis and then about fitting different bindings to the same pair of skis. T-nuts are common for snowboard bindings and K2 have started introducing them for skis too. Then I saw these fittings in a catalogue and wondered if I could achieve the same effect without drilling all the way through the skis and repairing the base afterwards. I see no reason why they should be inherently weaker than T-nuts and the outside thread on them will offer more grip than ordinary screws. However, they are large compared with screws and I would worry about compromising the strength of the ski. I certainly wouldn't want to use many of them close together.
post #10 of 10
There are better ways of facilitating frequent ski changes. Everything that´s IN the ski should remain there. The forces applied are extreme.
I don´t know about K2 placing inserts. The only ski I´m aware of using them is the German Circle. The other was the Swiss ski accompanying the Revolution-X binding a few years ago. The binding with a central pivot (= extreme forces at a short mounting length) got some award but never appeared again.
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