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  1. RazorJ

    drilling 304 stainless

    Sorry about the 1" depth...I realized I had forgotten to specify that it was a 1" depth after I had written it. It is a .1285" DIA. drill bit. Could the angle of the bit also be the problem? I'm using a 118 degree bit.
  2. RazorJ

    drilling 304 stainless

    Right now, every thing is manual and done on a drill press which is completley exposed. I will be automating the drill and the entire system will be enclosed.
  3. RazorJ

    drilling 304 stainless

    I am drilling a pilot hole first.
  4. RazorJ

    drilling 304 stainless

    I'm using a Scotchman pure synthetic water soluble sawing coolent with a 5:1 ratio and I am running the drill at 800 RPM
  5. RazorJ

    drilling 304 stainless

    I am drilling a 1" Hole (#30 drill bit) through 304 SS. My problem is bit breakage. My parts, which are being hand drilled, is part of the problem. I would like to know the best style/hardness of drill bit and lubricants to use. Also there has been some debate in my machine shop about the angle...

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