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Best techniques for cracking rust sealed screws?


optimistspencer

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I saved a homeowner drill that I'm estimating to be late twenties from the garbage yesterday and I want to clean it up. However, in order to open it I need to take off the collet, which is rusted shut. What is the best way to open the collet screws? I'd rather not use anything very harsh, simply because I want to degrade the metal as little as possible. Thanks!

spencer

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  • 2 months later...

My best tool for rusted screws is this one below:

 

http://www.engineer.jp/en/products/pz58e.html

 

PZ-58.jpg

 

I was a bit reluctant at first but then I've tried it at home and on rusted screws under a washing mashine it yup, it works like a charm. VERY impressed.

 

A bigger size would be this one:

 

http://www.engineer.jp/en/products/pz59e.html

 

PZ-59.jpg

 

You also have the Loctite Freeze and Release but I've never tried it so can't comment.

 

http://www.henkelna.com/industrial/product-search-1554.htm?nodeid=8797940809729

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My best tool for rusted screws is this one below:

http://www.engineer.jp/en/products/pz58e.html

PZ-58.jpg

I was a bit reluctant at first but then I've tried it at home and on rusted screws under a washing mashine it yup, it works like a charm. VERY impressed.

A bigger size would be this one:

http://www.engineer.jp/en/products/pz59e.html

PZ-59.jpg

You also have the Loctite Freeze and Release but I've never tried it so can't comment.

http://www.henkelna.com/industrial/product-search-1554.htm?nodeid=8797940809729

Funny you mentioned these, I discovered vampliers just recently, we have a thread going about these, just ordered a pair but they take so long to come in.

Jimbo

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If your talking about the bolt inside the chuck that holds it to the drill then I'm 99% sure that is reverse thread. Clockwise to loosen it. They can be pretty stubborn even without rust

+1 The screw in the Chuk is reverse threaded. Most of them are hex screws, but being that old that's probably not the case.

Let's see some pics of this thing

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