flat bottom forstner bits

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saw flat bottom forstner bits advertised and first thing i thought of
was all forstner bits are flat bottom but i wonder if that is true
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

Re: flat bottom forstner bits
On Monday, March 28, 2016 at 6:22:33 PM UTC-5, Electric Comet wrote:
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They are, but the method of grinding the cutting surface differs.  All also need that central spur, just cannot get away from it.

Re: flat bottom forstner bits
On Tue, 29 Mar 2016 03:43:37 -0700 (PDT)

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but spur or not it is still flat bottom so i guess advertising
flat bottom forstners is just an accoutrement to the marketing
blurb

there are some videos of making flat bottom holes with no center point
using various techniques

one guy just ground down a regular bit but that was not a large
diameter bit

i guess if the point is a problem just grind it off

  
  
  
  
  
  
  
  
  
  
  
  

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