Welcome back to Albany County Fasteners - Fasteners 101
I'm Bob and today we're going to discuss high crown and too tall cap nuts. So let's get started.
I have cap nuts here. I have a standard cap nut that you'll find almost anywhere.
I have what they call a high crown and you can see,
the crown's a little higher.
It's probably somewhere about, I would say about, a heavy 3/8 of an inch taller than a standard cap nut.
Then we have too tall. We have to tall in a flat head
and we have too tall in a rounded head.
Now the two tall come fully threaded all the way through the inside to the top.
So you have full threads all the way through. You have on the too tall what they call a flat top.
So you can see the top is flat and it has a chamfered edge around it
and the round the top is just rounded over like the standard cap nut at the top.
They call these too tool because they're approximately, if you took the high
crowns, they're approximately double the height almost. Okay but if you had the
high to high crowns, I don't have two high crowns here, but if I did it would
be close to this size and that's why they call it a too tall for whatever reason.
These are USA made products they're made here in the USA.
They're quality products these are 18-8 stainless steel.
They're available on our shelf ready to ship.
The question always comes up "what I use for different things"? Depends on your application.
So many different applications out there.
How far is your is your threaded bolt sticking out on the other end?
If it was sticking out that much you couldn't use a standard cap nut
you're going to see probably about a 1/4" - 3/8" of an inch sticking out.
Ff that was the application. So, then you would go to the high crown,
I'll just keep my finger there as a stop, and that just makes it.
Those are the different applications. This one, which is double tall, will keep on going
and just so you know you will get some gulling because the difference here with stainless steel is that you have
a rolled thread on the bolt and on the actual cap nut
you have cut threads. So you have two different
threads running against each other which creates gulling. You can use some lubricant.
That works well.
I just want to show you on this how far this will go in so you're looking at a good 1-1/2" of this 2" bolt, that I have here.
It'll go all the way in to this cap nut and there it is.
As far as applications go, there are many different applications.
I've seen these used for - they get polished up - some people will take them and polish them up.
Polished stainless is amazing - the way it looks.
They'll take them and put them on their trucks, their cars just for the look.
It's all dependent on application.
Here at my packaging machine, I want to demonstrate to you how they incorporated a cap nut.
This is a standard cap nut.
This is the bowl where the fasteners go in.
This is a feeder and they used a cap nut, at the top, along with a lock washer
to hold this cone in place so the fasteners don't build up up and around
the center of the machine. Here they used a standard cap nut
with a lock washer to hold this cone in place.
You could also, in this application, use any of them.
Here's a high crown, that works on there
and as far as using a high-crown, here's a double tall.
You can use that on there.
Flat Head (Too Tall Nut).
This is actually a lot easier because sometimes the fastener is the small little fasteners that we put in this machine,
they get underneath this cone a little bit. They jam under there
and you have to take this off. That's why they they make it so
you just can screw it off with your fingers.
I just used the top round one.
That's pretty cool looking but functionally? It doesn't matter.
The standard that comes with the machine you can see here standard cap nut finishes it off nice.
Nothing can build on top (during) fastener jobs.
Little tiny, little fastener, like a two point five millimeter falling on top
won't stay on top of this nut. It just falls off and I think that's just the
design but I just want to show you on my packaging machine how that would be applied.
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