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   James Morris (jmorris@social.kernel.org)'s status on Tuesday, 08-Jul-2025 14:15:33 JST James Morris
   Tapping stainless steel with a small diameter bit is a little stressful 😬
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     Michael K Johnson (mcdanlj@social.makerforums.info)'s status on Wednesday, 09-Jul-2025 00:13:36 JST Michael K Johnson

     in reply to

     @jmorris Very yes!

     What tapping lubricant did you use?

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     James Morris (jmorris@social.kernel.org)'s status on Wednesday, 09-Jul-2025 00:13:36 JST James Morris

     in reply to

     • Michael K Johnson
     @mcdanlj tap magic!
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     penguin42 (penguin42@mastodon.org.uk)'s status on Wednesday, 09-Jul-2025 00:13:40 JST penguin42

     in reply to

     @jmorris wave guide of some type?

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     James Morris (jmorris@social.kernel.org)'s status on Wednesday, 09-Jul-2025 00:14:29 JST James Morris

     in reply to

     • penguin42
     @penguin42 yep, WR-15.
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     James Morris (jmorris@social.kernel.org)'s status on Thursday, 10-Jul-2025 05:20:45 JST James Morris

     in reply to

     • Michael K Johnson
     @mcdanlj I will look into that, thanks for the tip. This is stainless because it was 3D-printed -- the design is not economically viable to me as a CNC project, and would also then require split block machining and/or EDM. Here it is after sanding (it would be better to mill the end), alongside a surplus piece of WR15 waveguide.
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     Michael K Johnson (mcdanlj@social.makerforums.info)'s status on Thursday, 10-Jul-2025 05:20:46 JST Michael K Johnson

     in reply to

     @jmorris I recently bought anchor lube after seeing Blondihacks use it for stainless over and over, but I think have only used it once because I haven't had many projects requiring stainless for a while...

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