Titanium drill bit fun

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Feb 9, 2010 | 08:16 PM

Cherokee

Thread Starter

Senior Member

Joined: Nov 2009

Posts: 577

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From: Mechanicsburg, PA

Year: 1996

Model: Cherokee

Engine: 4.0 L H.O. I6

Titanium drill bit fun

not so much.
broke 3 brand new ones.

I thought these would be much stronger...

I'm trying to drill out the outer rear bolts on the two front seats (back towards the door on each). these broke off when i took the seats off to take out the carpet. shoulda blasted em.

I got through one sort of, but encountered serious resistance going through the one on the drivers side.

anyone break these bolts and fix them?

people just leave the other 3 attaching the seat and forget the 4th bolt?

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Feb 9, 2010 | 08:27 PM

A_Jeepr

Member

Joined: Jan 2010

Posts: 245

Likes: 1

From: Virginia

Year: 1989

Model: Cherokee

Engine: 4.0

thats why I only use CARBIDE bits now-a-days...breaking a lot of cheap ones got too expensive.

Feb 9, 2010 | 08:47 PM

4.3L XJ

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Joined: Aug 2008

Posts: 6,588

Likes: 495

From: Chico, CA

Year: 1986

Model: Cherokee

Engine: 4.3L with headers and full 3" exhaust system

Titanium is only that gold coating on it. It adds nothing to strength. These bits look brittle to me. Might not be the right choice.

Feb 9, 2010 | 09:40 PM

Cherokee

Thread Starter

Senior Member

Joined: Nov 2009

Posts: 577

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From: Mechanicsburg, PA

Year: 1996

Model: Cherokee

Engine: 4.0 L H.O. I6

Quote:

Originally Posted by 4.3L XJ

Titanium is only that gold coating on it. It adds nothing to strength. These bits look brittle to me. Might not be the right choice.

hmm, thats a good point, i was thinking the entire bit was titanium i guess.
They only coat it so it doesnt wear as fast im guessing.

Quote:

Originally Posted by A_Jeepr

thats why I only use CARBIDE bits now-a-days...breaking a lot of cheap ones got too expensive.

I'll have to look into these.
Just using the bits I got for christmas with my drill, figured they would be ok but i guess not!

Feb 9, 2010 | 10:49 PM

4.3L XJ

CF Veteran

Joined: Aug 2008

Posts: 6,588

Likes: 495

From: Chico, CA

Year: 1986

Model: Cherokee

Engine: 4.3L with headers and full 3" exhaust system

The titanium oxide coating is supposed to make them stay sharp longer.

Feb 10, 2010 | 10:52 PM

Cherokee

Thread Starter

Senior Member

Joined: Nov 2009

Posts: 577

Likes: 2

From: Mechanicsburg, PA

Year: 1996

Model: Cherokee

Engine: 4.0 L H.O. I6

Quote:

Originally Posted by 4.3L XJ

The titanium oxide coating is supposed to make them stay sharp longer.

mm good point.

edit: no pun intended! haha

looks like i'll be getting some better ones soon. dang bolt is a pain in my a$$!

Last edited by Cherokee; Feb 10, 2010 at 11:11 PM.

Feb 10, 2010 | 11:10 PM

dar83

Seasoned Member

Joined: May 2009

Posts: 279

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From: olive branch, ms

Year: 2000

Model: Cherokee

Engine: 4.0

blue wrench will take care of that in no time

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Feb 10, 2010 | 11:27 PM

Cherokee

Thread Starter

Senior Member

Joined: Nov 2009

Posts: 577

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From: Mechanicsburg, PA

Year: 1996

Model: Cherokee

Engine: 4.0 L H.O. I6

Quote:

Originally Posted by dar83

blue wrench will take care of that in no time

haha, well if i had one i'd be using it.

a cutting torch would be nice to have.

Feb 10, 2010 | 11:31 PM

A_Jeepr

Member

Joined: Jan 2010

Posts: 245

Likes: 1

From: Virginia

Year: 1989

Model: Cherokee

Engine: 4.0

Yeah after I got my set-up, I let fire do the hard work for me. lol why hassle with a drill bit and screw extractors, then you can just melt it.

Feb 11, 2010 | 08:48 AM

#10

darkfalcon9112

CF Veteran

Joined: Oct 2009

Posts: 1,155

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From: Virginia Beach, VA

Year: 1991

Model: Cherokee

Engine: 4.0L H.O.

I agree

I agree with melting them so much easier but CARBIDE bits are the best i have found so much better.

Feb 11, 2010 | 08:59 AM

#11

fantic238

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Joined: Jun 2009

Posts: 5,383

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Year: 1988 limited

Model: Cherokee

Engine: 4.0 litre

Those are HSS covered with titanium.
You broke them cause you did not use oil and the speed of the drill was too high. You need patience to do such things.

Feb 11, 2010 | 01:53 PM

#12

Cherokee

Thread Starter

Senior Member

Joined: Nov 2009

Posts: 577

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From: Mechanicsburg, PA

Year: 1996

Model: Cherokee

Engine: 4.0 L H.O. I6

Quote:

Originally Posted by fantic238

Those are HSS covered with titanium.
You broke them cause you did not use oil and the speed of the drill was too high. You need patience to do such things.

well i did use oil, but youre probably right about me going too fast. i think what happened was i nicked the side of the bit on the harder unibody portion surrounding the hole for the bolt and because it was harder it broke.