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Old 09-24-2007, 09:33 PM   #1
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drill size for Olympic rivets

What is proper drill size for installing Olympic rivets (Inland RV part #28100)?

I tried to search, I know weíve been here before, canít find it, canít remember for sure.
Andy, Michelle and others know this one.

Is this correct:
Drill out old rivets with #30 bit. Then open hole with #21 and install new rivet?

For brand new rivet installation what size pilot hole should be drilled before #21?

Thanks
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Old 09-24-2007, 10:28 PM   #2
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I like to use 1/8", or use the #30.

I feel that if you use a 5/32" for the pilot, then you are just pushing the edges of the hole out when you use the #21, and not doing any cutting. In that case you should use a .1590" reamer, not a drill bit.

If you do use a 5/32" for a pilot, make sure the #21 is very sharp. You are only removing .0014".
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Old 09-24-2007, 11:09 PM   #3
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Quote:
Originally Posted by walter1
What is proper drill size for installing Olympic rivets (Inland RV part #28100)?

I tried to search, I know weíve been here before, canít find it, canít remember for sure.
Andy, Michelle and others know this one.

Is this correct:
Drill out old rivets with #30 bit. Then open hole with #21 and install new rivet?

For brand new rivet installation what size pilot hole should be drilled before #21?

Thanks
There 3 sizes of drill bits that are used for Airstream construction and repair.

For buck tivets which are 1/8 inch, use a #30.

For olympic rivets which are 5/32 inch, use a #21.

For the underbelly rivets which are 3/16 inch, use a #11.

Our web site has those three sizes in a kit.

Andy
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