Question on drilling hardened steel?????

architect-builder

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As is usual, ask and you shall receive! :sweet

I had forgotten about using the oil. I bought new 3/8" and 1/2" Cobalt drill bits and some cutting oil. Worked like a champ. Tried to make sure I went slow with the drill speed and as you guys stated, it worked. I'm not sure what the material was I was drilling through, but it was about 1/4" thick and very hard. It was on the uprights of my Stainless Steel Transformer Mount. I swear that they (Warn) said that the uprights were hardened steel and actually chromed instead of stainless for the strength required for the winch, but the inside of the holes were also very silver, not black like raw steel. :dunno

Anywhose, all your information worked. Got the other lights on and it looks pretty sweet. I could not mount them on the round bar with the other two (like you see on most) since I have my red LED warning lights mounted on the grill, so had to come up with an alternate location. I'll get some pics and post them and see what you think.

Thanks for all the input. Always know someone will know the answer. :thanks

Barrett
 

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