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Discussion Starter · #1 ·
so I was wondering if anyone has any carbide bits like 2" to 4" and how do they work for drilling out for panels and trough and stuff. Im mostly interested in a 4", so if you know who makes a good one for metal use please let me know, thanks!
 

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Talking about the hole saws? I use 1/2,3/4, and 1 inch on a daily bases and they last for a every long time. Any size biggie I find it's real rough on the cordless drills. Need a right angle drill for them ect. The punch is easier IMO for anything over 1 1/14
 

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Agreed only use 1/2, 3/4 hole cutters and punch for any bigger. But if you really wanted one you could buy one of those lennox holesaws.
 

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It would require a drill with some real arm breaking torque to spin a 4 inch carbide cutter. A conventional hole saw is a little easier to spin with a drill. I agree, if the metal is less than 10 gauge, use a KO cutter.
 

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Discussion Starter · #7 ·
Yeah I use the 1/2, 3,4, and 1 a lot I was just hoping to try to replace the punch for the bigger stuff. Thanks for the input guys
 
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