So im not too good with tools and all that. Definitely have become more handy because of my jeep but still need help on some fundamental type stuff. A few weeks back I ruined about 5 of my dads drill bits, trying to put a hole in my pretty thick steel bumper. I need to drill some more holes and just want to know if there is a certain type of bit I need. Id rather ask you guys than the guys at the store.
Dumb question... what type of drill bit to go thru my bumper?
gr8fulKID
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So im not too good with tools and all that. Definitely have become more handy because of my jeep but still need help on some fundamental type stuff. A few weeks back I ruined about 5 of my dads drill bits, trying to put a hole in my pretty thick steel bumper. I need to drill some more holes and just want to know if there is a certain type of bit I need. Id rather ask you guys than the guys at the store.
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343 Posts
start with a small pilot hole and then use one of these that suites your size Search Results for step drill bit at The Home Depot then while your at home depot stop in the plumbing section and pick up "thread cutting oil" to keep the bit cool.
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98 Posts
Its technique that is killing your drill bits. Spin slow and push hard. Spinning fast overheats the bit and dulls it.
A stock JK bumper should be easy. Drilling my steel winch plate took forever.
Dave
A stock JK bumper should be easy. Drilling my steel winch plate took forever.
Dave
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45 Posts
Get you a set of step bits
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11,871 Posts
both of these... :thumb:
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26,879 Posts
^This and if you don't want to invest in a step drill bit, get a cobalt bit.
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WD-40 works great as lubricant and keeps the bit cool.
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343 Posts
It works well for 1 or 2 holes, anything more do you self a favor and get the oil, keeps the bit super cool! My cheapo irin drill bit is a champ. I had to drill 40 1/2" holes in 1/4 steel and 25 holes in aluminum and my bit is good for atleast 60 more. I owe it all to the oil...And Technique!
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584 Posts
This, and they can look almost exactly the same.
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718 Posts
Ha, I did the exact same thing my first time trying to drill through metal. I thought I really had some crappy drill bits. It's amazing how much quicker it goes when you slow down.
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849 Posts
^Bingo! Split tip cobalt bits are best when drilling most metals, steel bits are for arts & crafts.
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98 Posts
You know how I learned? By drilling full throttle and burning out bits. Welcome to the club.
Dave
Dave
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