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Neodymium Disc Magnet - 4mm x 3mm | N50

Name: Neodymium Disc Magnet - 4mm x 3mm | N50
Brand: AMF NZ
SKU: D-D4H3-N50
Price: 0.7 NZD
Availability: InStock
Rating: 4.9 (7 reviews)

Product code: D-D4H3-N50

Neodymium Disc Magnet - 4mm x 3mm | N50 - AMF Magnets New Zealand

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$0.70ea

100 to 999 items12% OFF

$0.61ea

1000+ items34% OFF

$0.46ea

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$0.70

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Neodymium Disc Magnet - 4mm x 3mm | N50

Rated 4.9 out of 5

Based on 7 reviews

Product Code D-D4H3-N50

Pull Force* 535 grams

Weight 3 gm

Style Neodymium DISC

Coating Nickel

Direction of Magnetisation Axially through height

Dimensions Height:3mm, Diameter:4mm

*Measured against up to 10mm mild steel.

Magnetic Product Description:

This neodymium magnetic disc has a diameter of 4mm and a height of 3mm. It has a magnetic flux reading of 6029 Gauss and a pull force of 0.535 kilos. It is identified by the AMF magnet part number D-D4H3-N50.

Uses for our rare earth disc magnets:

This little Rare Earth disc magnet is surprisingly versatile, with applications that range from industrial and scientific through to home hobbyists. Since the discovery of Neodymium in the mid 1980s, many industries have seen a revolution due to the implications of replacing traditional magnets with Rare Earth magnets. The additional strength and reduced mass of Neodymium magnetic material have allowed many products to be scaled down, this is particularly prevalent in technology based fields such as computers, telecommunications and medical devices. Small round magnets are also commonly used in hobbies like paper crafts, figurines, game makers and woodworkers as they provide a simple means of attaching and securing. Displaying handmade items is often difficult to achieve without compromising the design, however tiny magnets such as these are easily hidden or disguised.

Write a Review

average rating 4.9 out of 5

Based on 7 reviews

5 Stars

6 Reviews
4 Stars

1 Review
3 Stars

0 Reviews
2 Stars

0 Reviews
1 Star

0 Reviews

100% of reviewers would recommend this product to a friend

Quality	Rated 5 out of 5
Ease of Use	Rated 5 out of 5
Value	Rated 4 out of 5
Strength	Rated 5 out of 5

Customer photos and videos

Open user-uploaded photo and review in a modal

7 Reviews

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Reviewed by Steven G.

Verified Buyer

I recommend this product

Rated 5 out of 5

Review posted

Neodymium Disc Magnet - 4mm x 3mm | N50

Prompt delivery and great service

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AMF Magnets New Zealand

Hi Steven,

Thank you so much for taking the time to share your experience and for this fantastic 5 star review!

We're thrilled to hear that our prompt delivery and great service have made such a positive impression on you. It's wonderful to know everything went smoothly with your order.

Thank you for choosing AMF Magnetics!

Reviewed by Rob L.

Verified Buyer

I recommend this product

Rated 5 out of 5

Review posted

box lid magnet

They work well. Be careful in this instance using two, that you get the polarity correct !!!

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Was this helpful?

Reviewed by Willie K.

Verified Buyer

I recommend this product

Rated 4 out of 5

Review posted

Magnet Hunting

The magnets are good but the service was even better the lady that helped me was fantastic she very helpful keep up the great work thank you

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Reviewed by Khole H.

Verified Buyer

I recommend this product

Rated 5 out of 5

Review posted

Good deal

Yeah very good magnets

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Was this helpful?

Reviewed by Simon P.

Verified Buyer

I recommend this product

Age Range

55 - 64

Use of product

Arts & Crafts

Rated 5 out of 5

Review posted

Great Service, Great Product

My order of 3mm by 4mm N50 magnets was exactly what I wanted and it arrived in NZ from AUS in a very timely way.

Does exactly what I wanted.. if anything the magnets were stronger than I expected and I need more glue to properly affix them.

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Quality	Rated 5 out of 5
Ease of Use	Rated 5 out of 5
Value	Rated 5 out of 5
Strength	Rated 5 out of 5

Was this helpful?

No FAQ available

NB: Ranges are indicative for product category, please check individual products for specic values within that range.

The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.

Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.

Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.

Magnetic Product Description:

This neodymium magnetic disc has a diameter of 4mm and a height of 3mm. It has a magnetic flux reading of 6029 Gauss and a pull force of 0.535 kilos. It is identified by the AMF magnet part number D-D4H3-N50.

Uses for our rare earth disc magnets:

This little Rare Earth disc magnet is surprisingly versatile, with applications that range from industrial and scientific through to home hobbyists. Since the discovery of Neodymium in the mid 1980s, many industries have seen a revolution due to the implications of replacing traditional magnets with Rare Earth magnets. The additional strength and reduced mass of Neodymium magnetic material have allowed many products to be scaled down, this is particularly prevalent in technology based fields such as computers, telecommunications and medical devices. Small round magnets are also commonly used in hobbies like paper crafts, figurines, game makers and woodworkers as they provide a simple means of attaching and securing. Displaying handmade items is often difficult to achieve without compromising the design, however tiny magnets such as these are easily hidden or disguised.

Write a Review

average rating 4.9 out of 5

Based on 7 reviews

5 Stars

6 Reviews
4 Stars

1 Review
3 Stars

0 Reviews
2 Stars

0 Reviews
1 Star

0 Reviews

100% of reviewers would recommend this product to a friend

Quality	Rated 5 out of 5
Ease of Use	Rated 5 out of 5
Value	Rated 4 out of 5
Strength	Rated 5 out of 5

Customer photos and videos

7 Reviews

Sort by

Reviewed by Steven G.

Verified Buyer

I recommend this product

Rated 5 out of 5

Review posted

Neodymium Disc Magnet - 4mm x 3mm | N50

Prompt delivery and great service

Loading...

Was this helpful?

AMF Magnets New Zealand

Hi Steven,

Thank you so much for taking the time to share your experience and for this fantastic 5 star review!

We're thrilled to hear that our prompt delivery and great service have made such a positive impression on you. It's wonderful to know everything went smoothly with your order.

Thank you for choosing AMF Magnetics!

Reviewed by Rob L.

Verified Buyer

I recommend this product

Rated 5 out of 5

Review posted

box lid magnet

They work well. Be careful in this instance using two, that you get the polarity correct !!!

Loading...

Was this helpful?

Reviewed by Willie K.

Verified Buyer

I recommend this product

Rated 4 out of 5

Review posted

Magnet Hunting

The magnets are good but the service was even better the lady that helped me was fantastic she very helpful keep up the great work thank you

Loading...

Was this helpful?

Reviewed by Khole H.

Verified Buyer

I recommend this product

Rated 5 out of 5

Review posted

Good deal

Yeah very good magnets

Loading...

Was this helpful?

Reviewed by Simon P.

Verified Buyer

I recommend this product

Age Range

55 - 64

Use of product

Arts & Crafts

Rated 5 out of 5

Review posted

Great Service, Great Product

My order of 3mm by 4mm N50 magnets was exactly what I wanted and it arrived in NZ from AUS in a very timely way.

Does exactly what I wanted.. if anything the magnets were stronger than I expected and I need more glue to properly affix them.

Loading...

Quality	Rated 5 out of 5
Ease of Use	Rated 5 out of 5
Value	Rated 5 out of 5
Strength	Rated 5 out of 5

Was this helpful?

No FAQ available

NB: Ranges are indicative for product category, please check individual products for specic values within that range.

The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.

Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.

Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.