Where do I get them, how much are they, what size do I need and how long do they last? Do I use cutting oil with them? ANy hekp would be sweet. Thanks!

Where to get them:

www.eastwoodcompany.com (http://www.eastwoodcompany.com)

I also got mine from Eastwood's. It's a 3/8" diameter that I always use with lots of oil and a relatively slow RPM. It's lasted through my son's pick-up rebuild and still cuts fine. I keep a small cup of cutting oil right next to where I'm drilling and just dip it when you start each hole and about half way through. This is the solid type cutter not the hole saw style. If you can get a screw driver in between the panels you're trying to separate it will actually "pop" loose when you get through the top layer. It's a good feeling! graemlins/hurray.gif Finding the spot to drill is the hard part...

Any decent body supply store will have them. There are different sizes available...the 3/8ths is a decent all-around size. The good ones have a replaceable center pilot bit.

If you've never bought a spot weld bit, you may have a mild stroke when you see the price.

This may seem crude to some smile.gif , but I've had better luck with a 3/8" "Pilot Point" drill bit made by Black&Decker and Dewalt. They are basically the same as the solid type cutter that Eastwood sells at about 1/4th the cost and you can buy them at any hardware store.

The "pilot tip" bits work as long as you are not concerened about drilling through both of the panels you are separating. The big money bits allow you to only chew through one side of the weld. This keeps one good surface for rewelding with no holes....

Originally posted by street/strip68:
The "pilot tip" bits work as long as you are not concerened about drilling through both of the panels you are separating. The big money bits allow you to only chew through one side of the weld. This keeps one good surface for rewelding with no holes.... I should have added that you have to drill SLOWLY. If not these type of bits will tend to grab, and go thru. Just watch for the metal to seperate. I have not yet drilled completely thru both panels with one of these. If you're not careful, you can also go thru both panels even with the big money bits.

Thanks guy!! I may have to buy another drill I guess. This one only goes fast LOL. Where do I get cutting oil? Should 1 bit last me for all my floors?

Ok, Eastwood has 2 different 3/8 bits. One is a solid bit that drills out a big hole in the top piece of metal. It's more expensive. The other is cheaper and 2 pieces. It drills around the spot weld and has a replacable cutting head.


WHICH ONE DO I WANT??? I assume the 1 piece that drills the entire weld out on the top layer.

Well, the solid one is a tool steel (kind of like an end mill). With cutting oil (available at most hardware stores; something along the lines of Marvel Mystery oil would work; or go to a store where they sell mills and lathes. They can hook you up), these should last longer.

You are correct in that the solid one removes the whole piece of metal. It won't leave the weld nub on the other panel. You would have to grind that off.

I would go with the solid one, personally.

Crankshaft