Drilling through pinch seam...kicking my butt

Discussion in 'Renegade Modified Tech' started by red/green hawk, Mar 13, 2018.

  1. red/green hawk

    red/green hawk Active Member

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    I got some Rocky Road super sliders and I can't drill through the pinch seam. Took me all afternoon to drill 2 holes. I obviously don't know what I'm doing. What speed should I put my drill at? I'm using cutting oil. I'm using cobalt drill bits after I used hss bits, and those crapped out on me very quickly. I tried pilot holes, broke 3 bits. Anybody have any suggestions...please. I'm gonna get a bit sharpener and try that.
     
  2. Thawk

    Thawk Active Member

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    You wore out the bit... When I did mine, the one side took over an hour and I had 3 holes drilled. I went to the other side and was done in a half hour with the new bit. I came back and got another hole done on the first side but couldn't finish the last one... They are a major pain to say the least. I took it to the shop to get the last hole drilled, they went through 2 more bits.
     
  3. Xavier Adderton

    Xavier Adderton New Member

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    I'm dealing with the same issue. I bought multiple bits and am gonna try to go slow and hopefully be done by the end of whatever day I decide to try it again. Let us know if you make it and how.
     
  4. FATKID66

    FATKID66 Active Member

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    From what I understand, cobalt bits, plenty of cooling fluid and s-l-o-w speed...used to drill 1/4" SS at work that way and you'd be surprised how well slow speed works...drilling thru welds are a &!tch!!
     
  5. red/green hawk

    red/green hawk Active Member

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    I found the solution. Harbor Freight has a 7 pack of 1/4 inch titanium bits for $6. I've used 2 packs for 10 holes. Harbor Freight saves the day again. Go slow and apply constant pressure. I still have 2 holes on each side i cant get. I'll just take it to my buddy's and have him put a couple if spot welds at the other spots. Or I just might use some jb weld.
     
    Last edited: Mar 14, 2018
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  6. red/green hawk

    red/green hawk Active Member

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    I tried cobalt and cutting oil. Didn't work I spent twice as much on name brand bits and drilled 2 holes. Spent 1/2 as much at Harbor Freight and drilled 8 holes.
     
    Last edited: Mar 14, 2018
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  7. FATKID66

    FATKID66 Active Member

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    Sounds good, great tip!!
     
  8. red/green hawk

    red/green hawk Active Member

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    All right, so I got 5 holes drilled on both sides. I got stuck in the same spot on both sides. The front hole and 3rd from the back. I'm gonna spot weld those 2 sites. My concern with these sliders is the well nuts. Don't know how well they will hold up. They pass the initial jump on the slider test but over time I think the weight of the slider will win over the rubber well nut.
     
  9. red/green hawk

    red/green hawk Active Member

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    It's kinda hard getting in and out with the super sliders, kinda wish i had just purchased the standard sliders. Oh well i suppose I'll get used to it. Kids can use it as a step. 20180315_160811.jpg 20180315_160837.jpg
    20180315_160758.jpg
     
  10. Thawk

    Thawk Active Member

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    I've bumped and bang them pretty good, they hold up. I'm sure my super slider saved me some body damage I would have got with the regular sliders. That little bit extra away from the body coming off a rock.
     
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