Running conduit thru joists

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  #1  
Old 12-07-13, 09:56 AM
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Running conduit thru joists

I need to run 1/2" emt thru a few floor joists that are perpindicular.

My drill doesnt fit between the joists so I need a long spade bit (3'?) or something I can attach my hole saw or standard spade bit too.

What is the proper tool to do this?
Or if possible is it better to keep the pipe below the joists instead?
How do you usually get this done?
 
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Old 12-07-13, 10:02 AM
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Running EMT through the joists will be very difficult to say the least. I suggest running it along the bottom of the joists.

If you really want to drill, I suggest the spade or auger bits with the screw tip on the end made by Bosch. Google "Bosch Daredevil". They come in many lengths. While other brands are better for drilling through nails, these are a good balance between price and performance.
 
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Old 12-07-13, 10:10 AM
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Your probably right, that was what I was concerned most about. I would have to keep all the holes level otherwise I will get hung up.... I was thinking I had to drill like 3/4 or 1" holes to leave room for drilling error.

So go under the joists and use stadnard 2 hole emt straps.....
 
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Old 12-07-13, 10:21 AM
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So go under the joists and use stadnard 2 hole emt straps.....
.....or 1-hole straps, minnies or strut with strut straps.
 
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Old 12-07-13, 10:46 AM
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unrelated question: what size/type of screw is best for the straps?
 
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Old 12-07-13, 11:20 AM
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Any screw you can install with a screw gun should be fine. I use sheetrock, construction, or pan head "lath" screws.
 
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