Neodymium Ring - 30mm x 15.5mm x 8mm

Product code: 23003B

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Neodymium Ring - 30mm x 15.5mm x 8mm

Rated 5.0 out of 5
Based on 3 reviews
Product Code 23003B
Pull Force* 13.5 kg
Weight 31gm
Style Rare Earth Ring magnet
Gauss 4746
Grade N38
Coating Nickel (NiCuNi)
Direction of Magnetisation Axially magnetised thru the 8mm
Dimensions Outside Diameter:30mm, Inside Diameter:15.5mm, Thickness:8mm
*Measured against up to 10mm mild steel.

Magnetic Product Description:

This rare earth ring magnet has an outside diameter of 30mm, an inside diameter of 15.5mm and a thickness of 8mm. It is identified by the AMF magnet part number 23003B.

Uses for our rare earth ring magnets:

Tension and compression systems within large scale constructions projects can embed ring magnets like these in order to increase the flexibility and durability of the buildings. Although massive, weighing millions of tonnes and reaching into the clouds, allowing these skyscrapers to move a little helps a lot. Allowing a building, especially a big one, gentle controlled movement when it wants to, helps control cracking, buckling and blowing, water ingress and constant repatching and repainting.

Ring magnets of many sizes and pull forces allow for slow release as different parts of a building expand with heat (the sun) or moisture (the rain). Alternatively, ring magnets in conjunction with tension and compression systems, help allow a building to shrink with the evening cool as different materials, like bricks and blocks contract at a different speed to other materials, mostly concrete.

Strong ring magnets like these, 30mmx8mm with a pull force of 13.5 kg are used to help hold and or regulate movement, release at a predetermined pull force, and or re-engage or hold again, moving parts. Sometimes threaded onto a spool or axle or rod, ring magnets, as well as regulating movement of nearby moving parts, also contain or compress moving parts that might otherwise drift from their allotted positon and damage or otherwise reduce mechanical efficacy.

Magnets project their power without a restricting locking engagement, allowing mechanical parts to move at regulated intervals, releasing at a pre-determined pull force or within acceptable tolerances. Other engagement or fastening methods struggle for these highly desirable and nuanced capabilities.

These powerful ring magnets are in constant demand, most often in the mining, transport and grain processing sectors.

average rating 5.0 out of 5
Based on 3 reviews
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    3 Reviews
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100% of reviewers would recommend this product to a friend
3 Reviews
Reviewed by Barn
I recommend this product
Rated 5 out of 5
Review posted

Great Magnet

Very strong. Does what I expected. A good product.

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Reviewed by Michael
I recommend this product
Rated 5 out of 5
Review posted

So powerful

I perched this magnetic for my butchers steel to keep it magnetised to sharpen my knives

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Reviewed by GWB
I recommend this product
Rated 5 out of 5
Review posted

Used magnet to retrieve car remote & keys

The car remote & keys were accidentally pushed through a small gap underneath an outdoor step and disappeared beneath the wooden floor - I was able to tie string to the to ring magnet, push it through the small gap, latch onto the remote & keys and pull them out through the small gap - wonderful!

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