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Drilling a bigger hole in 3/16" steel

Discussion in 'Technical Chat' started by tomtom, Jun 8, 2013.

  1. tomtom

    tomtom [OP] Well-Known Member

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    The skidplate holes on my Elite bumper aren't big enough:

    [​IMG]

    Is there a best or good way to drill them out bigger? Is there a special bit for this type of job? Is there a good technique?

    I have a hand drill and some experience and drilling steel. Since it is attached to the bumper, not going to be able to stick it in a press.
     
  2. Supra TT

    Supra TT Solid Axle FTMFW!!

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    The hole looks elongated... Not sure if there is any good way to drill that out. But if you just needed it drilled out for a hole you can use the correct size metal bit to drill it out. Just be careful since it'll want to grab and twist your wrist. Use some lube too, never hurts to use lube in the bit :D
     
  3. OZ-T

    OZ-T All of those moments....will be lost.....in time

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    Hole at each end and file
     
  4. Supra TT

    Supra TT Solid Axle FTMFW!!

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    Never thought of that. :thumbsup:
     
  5. majorhavok

    majorhavok Rabid Conservative

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    +1, although a dremel would be faster and my first choice to enlarge the slot.
     
  6. OZ-T

    OZ-T All of those moments....will be lost.....in time

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    I hate Dremels
     
  7. Deercantseeme

    Deercantseeme Well-Known Member

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    Start drilling the hole in reverse. That way it won't grab and twist around or chip the edges of the drill bit off.
     
  8. tomtom

    tomtom [OP] Well-Known Member

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    I'm installing a Budbuilt skidplate and it has elongated holes on it. I should just be able to drill a hole on the bumper tab and the skidplate will give me the play to line everything up.

    Unsure of the details but was thinking of clamping some wood or sheet metal on it to start the bit and keep it from jumping. Figured I'd ping you guys that have done more extensive fab activities.
     
  9. majorhavok

    majorhavok Rabid Conservative

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  10. OZ-T

    OZ-T All of those moments....will be lost.....in time

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  11. llibrm

    llibrm Well-Known Member

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    your need a grinder. A dremel will work the same way. I don't recommend a drill though. It will want to catch every 90*
     
  12. OH-MAN

    OH-MAN Well-Known Member

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    I agree completely Dremels are for arts and crafts projects not manley steel and iron!! :D

    I do have one that my wife uses for her card making class!
     
  13. majorhavok

    majorhavok Rabid Conservative

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  14. OZ-T

    OZ-T All of those moments....will be lost.....in time

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  15. majorhavok

    majorhavok Rabid Conservative

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    Sorry, my link didn't have P/N. Not the dremel brand, the torqueshaft ones with foot pedal:

    grinder.jpg
     
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