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Old 07-11-2019, 06:47 PM   #16
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Re: Carbide hole saw best when running wire?


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I mostly use inexpensive spade or paddle bits here. Mostly because of the high probability of hitting nails. These 2 flute spade bits are easy to sharpen on a bench grinder after you hit a nail.

Also, I normally run smaller holes, unless I know I will be running a boat load of cables thru it. 1/2 to 5/8 range.

Spades are good. Love em. But the ease of the speed bores pulling themselves thru the wood can't be beat. Effortless. The first time I used one, it freaked me out.
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Old 07-11-2019, 07:10 PM   #17
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Re: Carbide hole saw best when running wire?


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Spades are good. Love em. But the ease of the speed bores pulling themselves thru the wood can't be beat. Effortless. The first time I used one, it freaked me out.



I have been eyeballing them on Lowes shelf for awhile now. And I do like easy!
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Old 07-11-2019, 07:25 PM   #18
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Re: Carbide hole saw best when running wire?


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I have been eyeballing them on Lowes shelf for awhile now. And I do like easy!

Cheap and easy...ah hem...not that....you'll be amazed.
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Old 07-11-2019, 07:37 PM   #19
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Re: Carbide hole saw best when running wire?


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Spades are good. Love em. But the ease of the speed bores pulling themselves thru the wood can't be beat. Effortless. The first time I used one, it freaked me out.
Careful on the drill though...that self pulling can get the bit going further than the drill can handle. Ask me how I know...
Anyone have a good drill repair guy? Asking for a friend.
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Old 07-11-2019, 08:10 PM   #20
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Re: Carbide hole saw best when running wire?


I just use Bosch brand spade bits. Most of my holes are drilled using a Ryobi right-angle drill. Nothing fancy at all! I use 3/4", 7/8", 1", and 1-1/8" bits, depending on the number of cables I need to pull through each hole. I only use hole saws when I need to cut holes in eaves and roofs to install service conduit masts, or larger ones to cut holes in drywall to install recessed lights or cut-in boxes for smoke alarms.
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Old 07-11-2019, 09:08 PM   #21
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Yes, screw feed bits need high tork and low rpm drills.
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Old 07-11-2019, 09:25 PM   #22
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Carbide bits are designed to cut stone/brick/concrete backer board (hardi board). I do not know if they are even meant for cutting wood. I have often wondered this, too.
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