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    Thread: drilling rebar

    1. Member cubano717's Avatar
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      10-03-2012 01:22 AM #1
      does anyone have any experience drilling the rebar, im not getting anywhere trying to drill mine, there has to be a trick to it, im using metal drill bits

    2. Member Alcrerion's Avatar
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      10-03-2012 01:33 AM #2
      I've used titanium nitride drill bits and a bench drill press.
      Or diamond coated bits make it cake.

    3. Member scirockalot8v's Avatar
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      10-03-2012 07:44 AM #3
      step bits

    4. Member cubano717's Avatar
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      10-03-2012 09:06 AM #4
      I was drilling for a good hour and only have a dimple into the rebar

    5. Member .Ant's Avatar
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      10-03-2012 09:09 AM #5
      Quote Originally Posted by Alcrerion View Post
      I've used titanium nitride drill bits and a bench drill press.
      Or diamond coated bits make it cake.
      This.
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      10-03-2012 09:11 AM #6
      Diamond bits.
      Also drill at low speed.
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      10-03-2012 09:20 AM #7
      Yes, low speed and use some oil to keep the cutting edge cool. A colbalt drill if you can find one.

    8. Member cubano717's Avatar
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      10-03-2012 04:08 PM #8
      Should I still drill a pilot hole

    9. Member .Ant's Avatar
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      10-03-2012 04:10 PM #9
      Yes. I didn't start with the largest bit.
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    10. Member cubano717's Avatar
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      10-04-2012 02:23 PM #10
      So titanium nitride in a regular drill should be sufficient?

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      10-04-2012 02:38 PM #11
      Most of your titanium drills are only tin coated. If you want something that will cut through this try carbide. Carbide drills will cut through just about any material out there. Just don't drop them on a hard floor they will break like class.

    12. Member Soundwave_vr6's Avatar
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      10-04-2012 02:41 PM #12
      is the drill spinning the right way
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    13. Member Alcrerion's Avatar
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      10-04-2012 03:06 PM #13
      Quote Originally Posted by KUNCLEBUC View Post
      Most of your titanium drills are only tin coated.
      Specifically titanium nitride bits are a titanium alloy or hardened steel bit that is coated with titanium nitride to increase the longevity of the edge of the bit. I haven't found a material yet that they haven't been able to go through. Granted, I haven't tried everything though.

      While TiN is an abbreviation for Titanium Nitride, it's not to be confused with actual tin.

    14. Member GTI3309's Avatar
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      10-04-2012 03:11 PM #14
      Quote Originally Posted by cubano717 View Post
      does anyone have any experience drilling the rebar, im not getting anywhere trying to drill mine, there has to be a trick to it, im using metal drill bits
      I don't know why this is not in the FAQs. here you go
      The rebar is made out of Boron (UHSS) Ultra High strength steel. Check the link out so you can have a better understanding of boron http://www.i-car.com/html_pages/tech...4/051004.shtml
      As for drilling boron the right easy way is by using a tunsgten carbide drill bits an a low speed drill (600 -1000 RPM) .

      hope this helps
      good luck.
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    15. Member cubano717's Avatar
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      10-04-2012 03:20 PM #15
      Quote Originally Posted by GTI3309 View Post
      I don't know why this is not in the FAQs. here you go
      The rebar is made out of Boron (UHSS) Ultra High strength steel. Check the link out so you can have a better understanding of boron http://www.i-car.com/html_pages/tech...4/051004.shtml
      As for drilling boron the right easy way is by using a tunsgten carbide drill bits an a low speed drill (600 -1000 RPM) .

      hope this helps
      good luck.
      like this? http://www.sears.com/shc/s/p_10153_1...=33-91350637-2

    16. Member GTI3309's Avatar
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      10-04-2012 03:44 PM #16
      To drill you need a dril bit not a carbide bur http://www.sears.com/shc/s/p_10153_12605_SPM5781656401P
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    17. Member martin13's Avatar
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      10-04-2012 03:58 PM #17
      Quote Originally Posted by cubano717 View Post
      I was drilling for a good hour and only have a dimple into the rebar
      Drill is in reverse bro

    18. Member BradenE's Avatar
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      10-04-2012 04:00 PM #18
      such a pita, a drillpress helps A LOT
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    19. Member cubano717's Avatar
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      10-04-2012 05:21 PM #19
      FYI the drill was not in reverse

    20. Member cubano717's Avatar
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      10-05-2012 09:57 PM #20
      Does anyone know where i could get the tungsten carbide bits other than online? Every store I go in and ask they have no clue what I need and recomend titanium or cobalt bits

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      10-05-2012 11:40 PM #21
      Go to you local Fastenal store.

    22. Member peskyrabbit's Avatar
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      10-05-2012 11:50 PM #22
      Quote Originally Posted by cubano717 View Post
      Does anyone know where i could get the tungsten carbide bits other than online? Every store I go in and ask they have no clue what I need and recomend titanium or cobalt bits
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    23. Member cubano717's Avatar
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      10-08-2012 09:05 AM #23
      This dremel attachment was exactly what i needed to drill through the rebar:
      http://www.dremel.com/en-us/Accessor....aspx?pid=9904
      finally got this thing on my car, now i can worry about bumper fitment

    24. Member scirockalot8v's Avatar
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      10-08-2012 09:17 AM #24
      next time buy these. these will eat through steel, aluminum, plastic ect.

    25. Member cubano717's Avatar
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      10-08-2012 10:52 AM #25
      Quote Originally Posted by scirockalot8v View Post
      next time buy these. these will eat through steel, aluminum, plastic ect.
      the step bits i saw were really pricy, the dremel attachment was fairly inexpensive

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