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  • Hole in axle

    I am using some old riding lawnmower axle shafts in my new welding cart.
    I inserted them in the ends of .065 wall, 1 inch square tubing.
    I drilled and tapped a hole to 1/4 x 20 thread, for a set screw.
    I need to make a depression, or hole for the set screw to fit into.

    My drill dosen't seem to make a dent in it, will my end mill do it?
    What other methods are available?
    Millermatic 211 AutoSet w/MVP
    Century 110 volt 90/110 MIG-Gone to my son, in Texas
    Victor SuperRange OA
    Milwaukee Cold Cut Saw
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    Jet MD-18 Mill Drill
    Orbit Drill Press
    12 Ton Floor Press
    2002 E-350 V-10:
    1983 F-150 4.9L 6
    2004 Honda ST1300
    2007 Suzuki LTA400F Quad
    1997 Suzuki DR650

  • #2
    Why not just weld them on?
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    • #3
      Drill a 3/8" hole in the tubing and plug weld them...Bob
      Bob Wright

      Spool Gun conversion. How To Do It. Below.
      http://www.millerwelds.com/resources...php?albumid=48

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      • #4
        I'm allowing for a future wheel width change and will need to adjust the length, that's why I don't want to weld it.
        Millermatic 211 AutoSet w/MVP
        Century 110 volt 90/110 MIG-Gone to my son, in Texas
        Victor SuperRange OA
        Milwaukee Cold Cut Saw
        Milwaukee Portable Deep Cut Bandsaw
        Milwaukee Hole Hawg
        Jet Horizontal/Vertical Bandsaw
        Jet MD-18 Mill Drill
        Orbit Drill Press
        12 Ton Floor Press
        2002 E-350 V-10:
        1983 F-150 4.9L 6
        2004 Honda ST1300
        2007 Suzuki LTA400F Quad
        1997 Suzuki DR650

        Comment


        • #5
          Mark the axle & then use your grinder to make a flat spot on it for the set screw.
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          • #6
            Your end mill should be able to handle it.
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            More stuff than I can keep track of..

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            • #7
              Thanks .
              Millermatic 211 AutoSet w/MVP
              Century 110 volt 90/110 MIG-Gone to my son, in Texas
              Victor SuperRange OA
              Milwaukee Cold Cut Saw
              Milwaukee Portable Deep Cut Bandsaw
              Milwaukee Hole Hawg
              Jet Horizontal/Vertical Bandsaw
              Jet MD-18 Mill Drill
              Orbit Drill Press
              12 Ton Floor Press
              2002 E-350 V-10:
              1983 F-150 4.9L 6
              2004 Honda ST1300
              2007 Suzuki LTA400F Quad
              1997 Suzuki DR650

              Comment


              • #8
                Originally posted by ligito View Post
                I am using some old riding lawnmower axle shafts in my new welding cart.
                I inserted them in the ends of .065 wall, 1 inch square tubing.
                I drilled and tapped a hole to 1/4 x 20 thread, for a set screw.
                I need to make a depression, or hole for the set screw to fit into.

                My drill dosen't seem to make a dent in it, will my end mill do it?
                What other methods are available?
                Sounds like hardened material to me (drill rod, oil hardened, thompson shaft) You can either grind it, or use a SOLID carbide bit on a slow speed to drill it.
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                • #9
                  Those axle shafts are case hardened up to the splines.

                  Drilling it would be just like drilling through the shackle of a padlock.

                  Use a Dremel and grind the dimple or use a carbide bit. A HS end mill will bite, walk, then shatter. You could use a carbide tile drilling bit in a drill press.

                  About 3/16" deep, it's much softer.

                  But I think you will have trouble holding it with a setscrew.

                  80% of failures are from 20% of causes
                  Never compromise your principles today in the name of furthering them in the future.
                  "All I ever wanted was an honest week's pay for an honest day's work." -Sgt. Bilko
                  "We are generally better persuaded by reasons we discover ourselves than by those given to us by others." -Pascal
                  "Since we cannot know all that there is to be known about anything, we ought to know a little about everything." -Pascal

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                  • #10
                    I read the last post after my HS end mill bit, walked, then shattered, on both ends.

                    I don't have any carbide end mills yet.
                    I ground a flat but would feel safer with a dimple, or hole, so I guess I better get a carbide 5/16 end mill.
                    Millermatic 211 AutoSet w/MVP
                    Century 110 volt 90/110 MIG-Gone to my son, in Texas
                    Victor SuperRange OA
                    Milwaukee Cold Cut Saw
                    Milwaukee Portable Deep Cut Bandsaw
                    Milwaukee Hole Hawg
                    Jet Horizontal/Vertical Bandsaw
                    Jet MD-18 Mill Drill
                    Orbit Drill Press
                    12 Ton Floor Press
                    2002 E-350 V-10:
                    1983 F-150 4.9L 6
                    2004 Honda ST1300
                    2007 Suzuki LTA400F Quad
                    1997 Suzuki DR650

                    Comment

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