so i have decided to drill out a 2nd set of rims since my first set was so successfull but i have encountered a problem. the rims I'm drilling out are made of chrome steel. the holes were a tad hard to drill out but my 2 stage bit managed to tear through it. but beveling the hole has become a problem. i have gone through 4 taper stone bits on one rim and still do not have enough counter sink. any ideas of what i could use:confused:

countersink bit? really sharp angled reamer? die grinder?

Carbide bit on a diegrinder.That is what I use on porting cast metal peices other than aluminum.Should cut it no problem.

countersink bit?hard to find one big and strong. really sharp angled reamer?to no avail. die grinder?

Carbide bit on a die grinder.That is what I use on porting cast metal peices other than aluminum.Should cut it no problem.

wont that be hard to use on a finishing hole without it scaring?

any one know where to get super strong stone bits

i went to the boeing surplus store by seatac .......into their "bit" store .....they have everything.....they had a real nice chamfer bit....it was one dollar........i don't know if the store is still there or not.......most the bits are one use only stuff ....so they are really cheap....

on the rims we did we didnt bevel the 2 extra holes just turned those 2 lug nuts over and used them like a normal nut

I used one of these...

http://www.yourdictionary.com/images/ahd/jpg/A4contsk.jpg

Carbide bit on a diegrinder.That is what I use on porting cast metal peices other than aluminum.Should cut it no problem.

 

+1 - carbide will cut it easily. Dremel will work too if you don't have a proper die grinder.

 

GD

just use a very big size drill bit. (you might need to use a press drill)

just use a very big size drill bit. (you might need to use a press drill)

 

That should really do the trick.

 

I second ESH.

on the rims we did we didn't bevel the 2 extra holes just turned those 2 lug nuts over and used them like a normal nut

--now why didn't' i think of that...sometimes the answer is right in your face. however i might head out to harbor freight and pick up a die grinder. the old stone bit just died in the drill. i need more speed.