From: none@none.com99   
      
   On 6/22/2025 5:41 PM, Bob La Londe wrote:   
   > I was aggressively pushing a 3/8 HSS drill though a piece of 304 SS   
   > round bar and I set the light cutting oil I was using on fire just   
   > before I broke through.  I don't recall even blinking.  I just pushed it   
   > through a little further to make sure the hole would be big enough.   
   >   
   > Then I leaned forward and blew out the flame.   
   >   
   > The amazing part to me is I drilled 4 more holes in some steel pipe   
   > afterwards with the same drill bit, and the 3/8 pins went right on.   
   >   
   > The fire doesn't surprise me at all.  Before I started I told myself I   
   > should walk over to the lathe and grab the heavy cutting oil.  What   
   > surprised me is that HSS drill is still a hole making machine.  Maybe   
   > that shouldn't surprise me either.  HSS is known for being able to   
   > tolerate some serious heat.   
   >   
   >   
   >   
      
      
   That was the connecting rod and couplers to join the landing gear on the   
   goose neck trailer.   
      
   --   
   Bob La Londe   
   CNC Molds N Stuff   
      
   --   
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    * Origin: you cannot sedate... all the things you hate (1:229/2)