Best type and size of magnets for finding screws in studs?
#1
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Best type and size of magnets for finding screws in studs?
I want to get some rare earth magnets to use as stud finders. But there are all different sizes and shapes you can get. I assume a cylinder shaped magnet works better than a flat disc shaped magnet? What diameter and length is best as far as being easy to work with and still being able to easily find screws embedded deep into drywall?
Also, anyone know what size magnets the CH Hanson magnetic stud finder has in it? Not sure if I should just buy one of those, or if buying a pack of rare earth magnets would be better and more useful?
Also, anyone know what size magnets the CH Hanson magnetic stud finder has in it? Not sure if I should just buy one of those, or if buying a pack of rare earth magnets would be better and more useful?
#2
I use one of these, stud 4 sure. Very strong magnets (it can hang from an embedded screw).
I like the magnets because you can quickly determine stud/joist spacing and direction.
I like the magnets because you can quickly determine stud/joist spacing and direction.

#3
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Bigger and stronger is better. I use two N42 magnest 3/8" diameter by 3/4" long stuck together to be 1 1/2" long. They are just something I had in the shop and are certainly strong enough but you might be able to use something less powerful. The big drawback to the bare magnets I have is that they are quite strong so I have to be careful playing with the two pieces as they can pinch pretty hard and I have to be careful to not set them down where there are steel shavings as it's quite difficult to get them off the magnet.
#4
OR, since the 21st century arrived a few weeks ago, why not graduate to an electronic stud finder. I mean, magnets are cute toys, but if you are running one across the wall, you will have to do it every inch or so up and down until you hit a nail or screw head. Just a little more time consuming, IMO.
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Yup, I have a Zircon ESF but it's not that dependable and I get a lot of false positives. Other people have the same problem with ESFs ... if you read the reviews on Amazon, it seems the top rated stud finder, at least as far as best sellers, is the magnetic one I mention above.