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-   -   5/16-14 Atlas brass insert install? (https://forums.azbilliards.com/showthread.php?t=502118)

pip9ball 11-07-2019 10:38 AM

5/16-14 Atlas brass insert install?
 
Hi All -

I bought some self-aligning brass inserts from Atlas and I'm curious if the installation process is different from the standard (non-shoulder) versions?

The shoulder diameter is .450" with 7/16-20 outside threads.

Does the following sound like the right approach?

1.) Center drill 25/64" to depth of insert.
2.) Bore .450" to depth of shoulder on insert
3.) Tap 7/16-20" to depth of hole.
4.) epoxy insert.

Thanks,

Phil

JoeyInCali 11-07-2019 11:10 AM

Quote:

Originally Posted by pip9ball (Post 6513792)
Hi All -

I bought some self-aligning brass inserts from Atlas and I'm curious if the installation process is different from the standard (non-shoulder) versions?

The shoulder diameter is .450" with 7/16-20 outside threads.

Does the following sound like the right approach?

1.) Center drill 25/64" to depth of insert.
2.) Bore .450" to depth of shoulder on insert
3.) Tap 7/16-20" to depth of hole.
4.) epoxy insert.

Thanks,

Phil

#3 before #2.
Also grind a flat on one side of the insert to prevent it from spinning.
Wet cotton swab with thinner and clean the inside of the insert right after gluing. If epoxy gets in there, it's screwed.

pip9ball 11-07-2019 12:54 PM

Thanks Joey! Can you elaborate more on grinding a flat?

Mcues 11-07-2019 01:07 PM

Some of the self aligning inserts have grooves on the shoulder to prevent them from turning and better epoxy holding, although, adding a flat spot won't hurt. You can make a small ball out of paper towels and inserted in the brass insert before gluing to prevent epoxy from entering.

Mario

aphelps1 11-07-2019 03:42 PM

Dipping the bottom of the insert in hot bee's wax and letting it solidify before putting the insert into the wood is also a nice way to keep the epoxy out.

Alan

pip9ball 11-07-2019 11:09 PM

Thanks for the tips all!

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Tommy-D 11-08-2019 05:17 AM

5/16-14 Atlas brass insert install?
 
You can stick a foam earplug in there and pull it out after you have the insert installed.

My method is to drill inserts out undersize,then use the last drill bit and/or bore and tap AFTER they are installed and the epoxy is set. Tommy D.

Michael Webb 11-08-2019 07:47 AM

Quote:

Originally Posted by JoeyInCali (Post 6513841)
#3 before #2.
Also grind a flat on one side of the insert to prevent it from spinning.
Wet cotton swab with thinner and clean the inside of the insert right after gluing. If epoxy gets in there, it's screwed.

And of course face the shaft before installing the insert. You would think who ever is making these inserts would have done the course thread at the bottom instead of continuing to copy what uni loc has done. If the tolerances are not correct the insert will of course suck out. :eek:

Michael Webb 11-08-2019 07:54 AM

1 Attachment(s)
Quote:

Originally Posted by Tommy-D (Post 6514490)
You can stick a foam earplug in there and pull it out after you have the insert installed.

My method is to drill inserts out undersize,then use the last drill bit and/or bore and tap AFTER they are installed and the epoxy is set. Tommy D.

Something about old school kind of makes you feel warm and fuzzy. :thumbup:

Attachment 533910

Michael Webb 11-08-2019 08:05 AM

1 Attachment(s)
And of course a simple channel on two sides using a dremil. To easy.

Attachment 533911

pip9ball 11-08-2019 08:33 AM

I hadn't even thought about just making my own insert! Where can I find the blank brass inserts?

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Michael Webb 11-08-2019 10:09 AM

Quote:

Originally Posted by pip9ball (Post 6514686)
I hadn't even thought about just making my own insert! Where can I find the blank brass inserts?

Sent from my Pixel 4 XL using Tapatalk


The company that you listed use to offer blanks. I would ask them. The rules of this forum prohibit listing suppliers or I would gladly list others. But I would look in the machinery section and ask the person selling Prongs. They might also offer the blanks.

pip9ball 11-08-2019 12:26 PM

Thanks Mike!

I had another question that I'm hoping you can help with. Ultimately this shaft is to be paired with a mezz united joint. I tried test screwing the insert I bought from Atlas into a mezz united pin and ingot about 2 threads in before it wouldn't go on further without forcing.

I'm assuming the mezz pin has a bit larger diameter than the insert. Would you happen to know of boring the insert a little bigger would solve this?

Thanks!

Sent from my Pixel 4 XL using Tapatalk

Michael Webb 11-08-2019 12:42 PM

Quote:

Originally Posted by pip9ball (Post 6514912)
Thanks Mike!

I had another question that I'm hoping you can help with. Ultimately this shaft is to be paired with a mezz united joint. I tried test screwing the insert I bought from Atlas into a mezz united pin and ingot about 2 threads in before it wouldn't go on further without forcing.

I'm assuming the mezz pin has a bit larger diameter than the insert. Would you happen to know of boring the insert a little bigger would solve this?

Thanks!

Sent from my Pixel 4 XL using Tapatalk


I don't know exactly. I have a larger tap that works for me. Mezz, Black Boar and Tascarella use a full 5/16x14 joint screw. (.312/.313 full screw)

pip9ball 11-08-2019 12:46 PM

Where did you get your larger tap?

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