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Precision magnetic screwdriver

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Precision magnetic screwdriver
Posted by IDRick on Sunday, December 5, 2021 3:53 PM

A magnetic screwdriver makes life a lot easier, especially with the many small screws with model railroading.  What do you guys use for magnetic screwdrivers?

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Posted by tstage on Sunday, December 5, 2021 4:24 PM

Wiha.

https://tstage9.wixsite.com/nyc-modeling

Time...It marches on...without ever turning around to see if anyone is even keeping in step.

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Posted by BigDaddy on Sunday, December 5, 2021 4:50 PM

tstage
Wiha.

Wiha wasn't in the Urban Dictionary.  DevilBig Smile  but can't you just magnetize the screwdrivers you have now with a magnet?

Henry

COB Potomac & Northern

Shenandoah Valley

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Posted by IDRick on Sunday, December 5, 2021 4:56 PM

I have some precision screwdrivers.  could something like this be used to magnetize or demagnetize as needed?  Wiha magnetizer

Add in: I see Henry is suggesting that very process!

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Posted by RR_Mel on Sunday, December 5, 2021 5:20 PM

The Wiha magnetizer works very good, the demagnetizer not so good.  An old 110 volt transformer core works great to demagnetize tools.

 
Mel


 
My Model Railroad   
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Turned 84 in July, aging is definitely not for wimps.

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Posted by York1 on Sunday, December 5, 2021 5:24 PM

IDRick
I have some precision screwdrivers.  could something like this be used to magnetize or demagnetize as needed?  Wiha magnetizer

You could use that, or you could just get a magnet you may have laying around and magetize the screwdriver.

Demagnetizing a screwdriver is not as easy.

York1 John       

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Posted by BigDaddy on Sunday, December 5, 2021 6:13 PM

Brain cramp.  I picked up a tool that may have been a knock off of one of these, at a train show.

It holds a screw well enough that you can make a couple turns and until the screw has purchase into the threads.

Henry

COB Potomac & Northern

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Posted by hon30critter on Sunday, December 5, 2021 6:59 PM

I just put a small magnet on the shank of the screwdriver. It works fine for as long as the magnet is attached, and when the magnet is removed there is very little residual magnetism left in the screwdriver.

BigDaddy
I picked up a tool that may have been a knock off of one of these, at a train show. It holds a screw well enough that you can make a couple turns and until the screw has purchase into the threads.

The tool that Henry suggested (above) works well for non-magnetic screws like stainless steel, brass and nylon. They will also grip small nuts and washers (getting the right grip on a washer can be tricky).

Dave

I'm just a dude with a bad back having a lot of fun with model trains, and finally building a layout!

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Posted by IDRick on Sunday, December 5, 2021 8:00 PM

Henry and Dave, thanks for the tip on the gripster, love it, on my list of items to purchase!

Mel, my friend, thanks for sharing your experience with the magnetizer, on my list too!

John, good thought, only have small refrigerator magnets, large enough for the job?  Oh yeah, I have a microwave that gave up the ghost, should be magnets somewhere in there with a magnetron!  Never been inside a microwave, anything to be concerned about?  Been sitting in a dry storage shed for six months...

 

Update: Is it safe to open a magnetron?

 
The magnetron inside a microwave can contain beryllium oxide in their ceramic insulators which can be fatal if it gets into the lungs. Simply removing it is safe, but never try to take one apart. It's not worth it!
 
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Posted by hon30critter on Monday, December 6, 2021 4:00 AM

Hi IDRick,

I don't think that you need anything as large as the magnet from a microwave or a hard drive. In fact, I think that just putting a magnet that large on your workbench would wreak havoc. Everything within six inches that is magnetic would immediately launch itself through space in the direction of the magnet. I'm no expert mind you, but I would be extremely wary of using a magnet that large.

All I use to temporarily magnetize my small screwdrivers is a neodymium cylindrical magnet about 1/8" dia. x 1/2" long, and it has plenty of pull. In fact, it is so strong that I have to be careful attaching it to the screwdriver shank because it is starting to chip from the force of its own impact.

That's just my opinion. Like I said, I am no expert.

Dave

I'm just a dude with a bad back having a lot of fun with model trains, and finally building a layout!

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Posted by betamax on Monday, December 6, 2021 6:00 AM

Magnetizing a screwdriver (or another tool) is easy. Demagnetizing is even easier.

To magnetize, stroke the tool with one pole of a magnet, always in the same direction.  After a few strokes it will be magnetized. 

To demagnetize, simply scrub the tool with the magnet. This will disorient the magnetic domains in the metal. There may be some residual magnetism left, but this method works, and doesn't require anything more than the magnet you used to magentize the tool in the first place.

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Posted by JDawg on Monday, December 6, 2021 7:18 AM

Good god man! Open a magnetron! SurpriseJust go to your local hardware store and buy a three dollar magnet!Dots - Sign *grumble-grumble, young people, grumble-grumble, back when I was, grumble-grumble.Big SmileSmile, Wink & Grin

JJF


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Posted by Overmod on Monday, December 6, 2021 11:28 AM

I think Dave's right; the best way to 'magnetize' a fine screwdriver is to put a small magnet or magnetic ring on it.  Any of the cheap NIB eBay magnets are likely to work if the screwdriver is magnetizable in the first place.

Some hex tools now come with a ring-shaped magnet attachment that makes the steel bits magnetic on demand.  I suspect someone has already made a similar 'attachment' for micro-screwdriver/ratcheting screwdriver sets that use small bits.

I just used my ex-radio-cart demagnetizer on 60Hz power to get rid of residual magnetism in watch screwdrivers.  Put the tool at the center of the coil, and with the power turned on, slowly move the tool out of the magnetic field.

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Posted by snjroy on Monday, December 6, 2021 11:42 AM

I have a love-hate relationship with magnetized screwdrivers. Mostly hate. When I need to get a small screw in a small, deep area, I put a dab of silicone on the head of the screw. When done, I just wipe it off. Losing a screw on a brass loco can be a major headache!

Simon

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Posted by mbinsewi on Monday, December 6, 2021 12:12 PM

I use those "grabbers" for tiny screws.

Mike.

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Posted by IDRick on Monday, December 6, 2021 1:56 PM

Wow, yesterday, I made quite the silly, off-the-cuff, uninformed comment about potentially retrieving a magnet from a broken microwave...  As many pointed out, not a very bright idea nor necessary...  Note to self, always do your research first to avoid looking foolish on forums, got it!  Smile

I like the Wiha magnetizer but will look for a larger refrigerator magnet which would probably do the trick for me since I only want a short-term magnetized precision screwdriver.

Spike, there is beryllium in microwaves.  Take it up with the EHSS if you want to argue.

Simon, thanks for the silicone tip, will certainly try that! 

Several suggested the Grabber tool, a really nice and handy tool. I have one ordered and should be shipped today!

Have a great day everyone!

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Posted by JDawg on Monday, December 6, 2021 2:08 PM

IDRick

Wow, yesterday, I made quite the silly, off-the-cuff, uninformed comment about potentially retrieving a magnet from a broken microwave...  As many pointed out, not a very bright idea nor necessary...  Note to self, always do your research first to avoid looking foolish on forums, got it!  Smile

I like the Wiha magnetizer but will look for a larger refrigerator magnet which would probably do the trick for me since I only want a short-term magnetized precision screwdriver.

Spike, there is beryllium in microwaves.  Take it up with the EHSS if you want to argue.

Simon, thanks for the silicone tip, will certainly try that! 

Several suggested the Grabber tool, a really nice and handy tool. I have one ordered and should be shipped today!

Have a great day everyone!

 

 

HaHa. You did not look that foolish. But yes, absolutely more trouble than it would be worth. Microwaves are not something to be trifled with. As mentioned, the super capacitor could stop your heart. Let alone all of the toxic materials. Best of luck in all your endeavors. Happy railroading!

JJF


Prototypically modeling the Great Northern in Minnesota with just a hint of freelancing. Smile, Wink & Grin

Yesterday is History.

Tomorrow is a Mystery.

But today is a Gift, that is why it is called the Present. 

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Posted by IDRick on Monday, December 6, 2021 2:24 PM

Thanks JJF!  I appreciate your comment and advice!

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Posted by PC101 on Monday, December 6, 2021 7:52 PM

What, nobody has any Kadee between the track magnets laying around? in service or out of service.

I also use those screw grabbers with two, three and four prongs, works great to start or remove a screw that is already loose for any slotted or phillips screws.

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Posted by IDRick on Monday, December 6, 2021 9:11 PM

PC101

What, nobody has any Kadee between the track magnets laying around? in service or out of service.

I also use those screw grabbers with two, three and four prongs, works great for any slotted or phillips screws.

 

 
Yes, I did have a Kadee magnet a couple of decades ago!  I'm not sure what happened to it!
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Posted by dti406 on Tuesday, December 7, 2021 10:19 AM

snjroy

I have a love-hate relationship with magnetized screwdrivers. Mostly hate. When I need to get a small screw in a small, deep area, I put a dab of silicone on the head of the screw. When done, I just wipe it off. Losing a screw on a brass loco can be a major headache!

Simon

 

I'm with you, no magnatized tools, I picked up some tweezers at one of the railroad shows and all were magnatized, it is a PITA to install grabs with those things, I have one good set of stainless tweezers that I end up using for installing grabs.

Also many of the screws are plastic or brass and having a magnatized screw driver is of no or little use.

Rick Jesionowski

Rule 1: This is my railroad.

Rule 2: I make the rules.

Rule 3: Illuminating discussion of prototype history, equipment and operating practices is always welcome, but in the event of visitor-perceived anacronisms, detail descrepancies or operating errors, consult RULE 1!

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