what bit to use for 5/8 firewall hole?

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daburrrninator

Member - Posts: 31

Joined: September 17, 2008

Posted: October 20, 2008 at 6:04 PM / IP Logged

I need to drill a hole to get 5 gauge power cable through the firewall. I found a place thats safe to drill through, its right above where the alarm guys drilled. I've never had to drill such a big hole through metal, not sure exactly what bit to use. i bought a step bit from harborfreight, but I'm not sure how much confidence I have on that thing.

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lnhiv

Copper - Posts: 54

Joined: August 02, 2008

Location: Arizona, United States

Posted: October 20, 2008 at 6:08 PM / IP Logged

They're pretty easy to use, just be careful when you get to the step before the right size. Otherwise just grab a 1/4" drill and then use a 5/8" drill.

2003 Chevy Cavalier coupe

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what bit to use for 5/8 firewall hole?

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