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Demagnetizers

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gatewaysysop

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lametec

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Michigan
I got one like this (though not HF brand):

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Works just fine. $4 at HF.
 
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Swampy

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Apr 13, 2009
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Oregon
If you have a "gun" style soldering iron pull the trigger and pass your screwdriver or whatever fits through the loop of the element! Demagnetized, and free!
 
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nexum1919

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Mar 5, 2009
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Chicago, IL
I have the Craftsman magnetizer/demagnetizer, which is made by ullman devices(ullman makes their pickup tools, inspection mirrors, picks). Works great, just one pass thru the middle hole and you have a magnetized tip, and rub it outside it's demagnitized. The two pieces hooked up together with a big o-ring, so you can get thicker stuff thru that hole too...
I usually leave my screwdrivers and mini pliers demagnetized, since they tend to collect all kinds of ferrous dust that cakes up on the tip if you leave them magnetized.
The obvious use would be holding the screws on the tip but i have found many other uses. Comes real handy when repairing/lubing ratchets or putting the valve retainers back on... Kinda jobs that a regular pickup tool would be too strong.
 
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nexum1919

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Chicago, IL
magnetized screwdrivers tend to collect ferrous dust everytime you use them and it builds up and gets annoying after a while.

also it's very frustrating to trying to precisely nudge or relocate an ultra small piece with any kind of magnetized tool. Sometimes i find out that the tips get magnetized during use, so i always make sure to de-magnetize the tips before even attempting a what I call an ultra-fine nudging operation...
 
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gatewaysysop

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Well, as a follow up to my earlier post, I think I should add a slight caveat about the Sears version. If you live in a dry climate, warm climate like Arizona, buy something else. Within a year of sitting in my garbage on a pegboard, the rubber banding that holds the two halves together dried up and it fell apart. Yeah I can fix it, but that was kind of annoying, especially when I only used it once or twice before that happened. :wtf:
 
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zr1nsx

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Oct 4, 2005
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Indianapolis
I have the powered unit in the first post and can tell you that it works fine and is reasonably priced from Enco. I'm a Tool & Die Maker and do a fair amount of surface grinding. Surface grinders use magnetic chucks to hold on to the part you are machining. After a while, all of your tools become magnetize due to their proximity to the magnetic fields induced by the chucks. The powered de-magnetizer remedies this.
 
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Major Ramifications

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River Ridge, Louisiana
Well, I don't think it was the dry Arizone climate that caused your O-rings to dry up and fall apart. I say this because I live in a humid, tropical environment, and mine did the same thing. New O-rings are cheap, though.
 
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SocketDeviler

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Apr 30, 2008
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Texas, 75050
The other week I ordered a Wiha 40010 Magnetizer/Demagnetizer off of Amazon. Made in USA (according to the package label, no marking on the tool). At the time it was only $4.50. It's now listed for a little more. Should have bought one of these a long time ago. Very handy.
 
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Indy_500

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Apr 2, 2010
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Location
Appleton, WI
went and got my magnetizer/demagnetizer at HF today, haven't tried it out yet. is there anything special i need to know? how long i need to set it in there for?
 
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Indy_500

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Appleton, WI
here's the pics of the one i got. on-line, it's green. at my local HF they're blue. I didn't picture them being so small. And, they weren't in the magnets aisle! they were in the screwdrivers aisle! I asked a worker guy where they were and he said he never heard of such a thing, called up this young teenage girl up-front on the radio, she told him where it was, he thought it was neat and said he was going to buy one after his shift. They're teeny! here's some pics along side the 25 incher i bought tonight for under $10
 

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malibu101

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Walnutport PA
You don't "set" it in. You poke the screwdriver though one hole to magnatize it and poke it through the other hole to demagnatize.
VERY simple.
 
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Kevin54

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Jan 12, 2005
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Location
Urbana, Ohio
I have an electronic demagnetizer at work and use it on a daily basis. Nothing worse than steel shavings sticking to your mics, calipers or whatever. You can also magnetize on it to a certain extent by leaving your piece on it while turning it off. Normally you pull the piece off while it is still in the on position.
 
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