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Old 8th March 2004, 04:51 PM   #1
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Default Peter Daniel What type of fasteners are those?

That you use on all of your chassis. It looks like a countersunk washer that you can use in order to get some flexibility by drilling your holes a bit larger. Into the countersunk washer fits you cool screw.

Where do you get those? I would be very interested in buying the washers alone for some size 8 counter-sunk screws.

Thank you,
Paul Hilgeman
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Old 8th March 2004, 05:03 PM   #2
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It is a high tolerance brass bushing with 0.25 inside hole and 0.50 mounting hole. It accepts shallow counersink screws.

I don't use them much, mostly in the preamp, but I'm running out of them quickly. They come form aircraft industry and I would be interested myself, where to source more of those.
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Old 8th March 2004, 06:49 PM   #3
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Quote:
Originally posted by Peter Daniel
It is a high tolerance brass bushing with 0.25 inside hole and 0.50 mounting hole. It accepts shallow counersink screws.

I don't use them much, mostly in the preamp, but I'm running out of them quickly. They come form aircraft industry and I would be interested myself, where to source more of those.
You might http://www.interfast.ca

Cheer,

Francois.
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Old 8th March 2004, 06:52 PM   #4
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I can supply you some Hi-Lite 5/32 and 3/16 if you have a impact gun =)
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Old 8th March 2004, 07:14 PM   #5
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Of course, I have impact guns. I even have an offset collar installation tool (by Atlas)

And I have some local friends who currently work in the industry, but I'm always on a lookout for nice fasteners.

I somehow never thought about using Hi-Lites in chassis building, but maybe it's something to think about. I used rivets recently, and I'm very satisfied with results.

They are not sqeezed too tight, I made counersink for lower manufactured head size
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Old 8th March 2004, 07:21 PM   #6
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Quote:
Originally posted by Peter Daniel
Of course, I have impact guns. I even have an offset collar installation tool (by Atlas)

And I have some local friends who currently work in the industry, but I'm always on a lookout for nice fasteners.

I somehow never thought about using Hi-Lites in chassis building, but maybe it's something to think about. I used rivets recently, and I'm very satisfied with results.

They are not sqeezed too tight, I made counersink for lower manufactured head size

Let me know if you want some, I will make you a good price but without any tracability (That the reason I'm able to sell it =)).
I will check the quantity I have in stock.
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Old 8th March 2004, 07:22 PM   #7
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Here's the other side. It will be sanded. so the rivets would be barely visible.
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Old 8th March 2004, 07:29 PM   #8
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Quote:
Originally posted by Peter Daniel
Here's the other side. It will be sanded. so the rivets would be barely visible.

Why don't you just shave it? will give a even better finish no? That what we do here on Bombardier wing plank when we install interference fit freeze bushing to repair some damaged holes.
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Old 8th March 2004, 07:31 PM   #9
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If you use a Dewalt Pilot drill after you drill with a standard drill for the rivet hole, you will get a nice little ledge to catch the Rivet head and have it flush to the material surface.

Anthony
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Old 8th March 2004, 07:32 PM   #10
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Micro shaver is about the only tool I don't have, but the aluminum parts have to be brushed and sanded anyway (for better appearance).
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