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Re: [Shop-talk] Redrilling a 1/4-28 hole

To: "jniolon@att.net" <jniolon@att.net>, "shop-talk@autox.team.net" <shop-talk@autox.team.net>
Subject: Re: [Shop-talk] Redrilling a 1/4-28 hole
From: Mark Watson <watsonm05@comcast.net>
Date: Mon, 16 Jan 2023 14:53:19 +0100 (CET)
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
Importance: Normal
References: <MW4PR05MB89053EEDCE8878F3916D054B9EC19@MW4PR05MB8905.namprd05.prod.outlook.com>
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John,

I've used Heli-Coils a couple of times and I found them ok.  Watched enough 
You-Tube videos where various machinists have used them apparently with success.

However, were I putting in a thread repair for something really important I'd 
consider Time-Serts: https://time-serts.com/store/1-4-20-thread-repair-kit/

Though the kit for one thread repair is a bit pricey :-( .

Just a thought.

For my fellow Americans Happy Martin Luther King Day.  For everyone else happy 
Monday.

Good luck,

Mark

>     On 01/16/2023 6:01 AM Ed Reiss <ed.reiss@hotmail.com> wrote:
> 
> 
>     John -- Try a Heli-coil for 1/4-20.
> 
>     You drill out the current hole and rethread using the heli-coil tap. Then 
> thread in the heli-coil. Presto-change-o -- you now have a 1/4-20 threaded 
> hole
> 
>     You might find the heli-coil kit at a well-stocked hardware store or 
> Amazon.
> 
>     Heli-coils are the go-to for stripped threads or any other reason an 
> existing threaded hole is unusable.
> 
>     Good luck
>     Ed
>     --
>     _______________________________________________
> 
>     Shop-talk@autox.team.net
>     Donate: http://www.team.net/donate.html
>     Suggested annual donation $12.96
>     Archive: http://www.team.net/pipermail/shop-talk 
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> 
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> http://autox.team.net/mailman/options/shop-talk/watsonm05@comcast.net
> 
> 

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<!doctype html>
<html>
 <head> 
  <meta charset="UTF-8"> 
 </head>
 <body>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;">
   <span style="font-family: helvetica; font-size: 12pt;">John,</span>
   <br>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;"><br></span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;">I've used Heli-Coils 
a couple of times and I found them ok.&nbsp; Watched enough You-Tube videos 
where various machinists have used them apparently with success.</span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;"><br></span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;">However, were I 
putting in a thread repair for something really important I'd consider 
Time-Serts: <a 
href="https://time-serts.com/store/1-4-20-thread-repair-kit/";>https://time-serts.com/store/1-4-20-thread-repair-kit/</a></span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;"><br></span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;">Though the kit for 
one thread repair is a bit pricey :-( .</span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;"><br></span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;">Just a thought.</span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;"><br></span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;">For my fellow 
Americans Happy Martin Luther King Day.&nbsp; For everyone else happy 
Monday.</span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;"><br></span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;">Good luck,</span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;"><br></span>
  </div>
  <div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; 
color: #333333;" class="default-style">
   <span style="font-family: helvetica; font-size: 12pt;">Mark</span>
  </div>
  <blockquote type="cite">
   <div>
    On 01/16/2023 6:01 AM Ed Reiss &lt;ed.reiss@hotmail.com&gt; wrote:
   </div>
   <div>
    <br>
   </div>
   <div>
    <br>
   </div>
   <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;" class="elementToProof">
    <span class="elementToProof" style="font-family: Calibri, Helvetica, 
sans-serif; font-size: 12pt; color: #000000; background-color: #ffffff;">John 
-- Try a Heli-coil for 1/4-20.</span>
   </div>
   <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;" class="elementToProof">
    <span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;"><br></span>
   </div>
   <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;" class="elementToProof">
    <span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;">You drill out the current hole and 
rethread using the heli-coil tap. Then thread in the heli-coil. Presto-change-o 
-- you now have a 1/4-20 threaded hole</span>
   </div>
   <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;" class="elementToProof">
    <span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;"><br></span>
   </div>
   <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;" class="elementToProof">
    <span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;">You might find the heli-coil kit at 
a well-stocked hardware store or Amazon.</span>
   </div>
   <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;" class="elementToProof">
    <span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;"><br></span>
   </div>
   <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;" class="elementToProof">
    <span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;">Heli-coils are the go-to for 
stripped threads or any other reason an existing threaded hole is 
unusable.</span>
   </div>
   <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;" class="elementToProof">
    <span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;"><br></span>
   </div>
   <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;" class="elementToProof">
    <span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;">Good luck</span>
   </div>
   <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;" class="elementToProof">
    <span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;">Ed</span>
   </div>
   <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;" class="elementToProof">
    <span style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; 
color: #000000; background-color: #ffffff;">--<br></span>
   </div>_______________________________________________
   <br>
   <br>Shop-talk@autox.team.net
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   <br>
   <br>
  </blockquote>
 </body>
</html>
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