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Round Magnets（Shape：Ring）

Round magnets are products used to stick items to magnetic objects made of ferrous metals. Besides sticking objects together, they are also used for applications such as magnetism testing and in parts requiring magnetic attraction. Magnets are available in types such as neodymium, ferrite, cobalt and alnico. The magnetic force of neodymium magnets is one of the strongest among the available magnet products. Neodymium magnets are used in a wide range of applications. Ferrite magnets have a weak magnetic force but relatively high retentivity. Cobalt magnets are officially known as samarium-cobalt magnets. They are known for their resistance to rust and high temperatures. Alnico magnets have superior temperature resistance properties and outstanding mechanical strength. The high retentivity of industrial magnets enables even small models to emit powerful magnetic fields. Using a magnet at temperatures above its maximum operating temperature creates the risk of weakening its magnetic force.

6 items

: 30; 45; 60

Days to Ship	All Same day 6 Days or Less 8 Days or Less 9 Days or Less 11 Days or Less 12 Days or Less

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New Products
Round Magnets - Washer Shaped

MISUMI

Neodymium Magnet characterized by its strong magnetic force.

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CAD ：

2D / 3D
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Magnets - With Countersink, Round

MISUMI

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CAD ：

2D
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Neodymium Magnet Ring Shape

Magna

This is a ring magnet with excellent mechanical strength.

[Features]
· Neodymium magnets create what is said to be the strongest magnetic field currently available on the market.
· Can be machined into a round, square or ring shape according to the application.
· Mechanical strength is excellent, but they are prone to rust and the surface is coated to prevent this. Must be used at no higher than 80℃.

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Samarium-Cobalt Magnet Ring Type

Magna

Resistant to demagnetization at temperatures as high as 350℃ and resistant to rust, making this a perfect component of medical devices and sensors. There are some issues with respect to mechanical strength, but miniaturization and weight reduction of the product can be achieved like the neodymium product.

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Neodymium Magnet Disc Type

Magna

Creates a powerful magnetic field, said to be the strongest available in the world today. Though it has excellent mechanical advantages, it must be coated to prevent rust development. Use at 80 °C or below.

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Days to Ship: 9 Days or more
Anisotropic Ferrite Magnet Ring Type

Magna

High coercivity prevents demagnetization. Being a sintered magnet (ceramic magnet), corrosion resistance is excellent and it lends itself to flat shapes. However, it does crack easily.

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Days to Ship:	Same day or more

Days to Ship:	9 Days or more

Days to Ship:	9 Days or more

Days to Ship:	9 Days or more


Brand
Product Series
CAD
Days to Ship
Specifications
Shape
Attraction Froce (Range)(N)
Attraction Force (Specify)(N)
Magnet Type (Material)
O.D.(Ø)
I.D.(Ø)

	Recommendation New Products
Brand	MISUMI	MISUMI	Magna	Magna	Magna	Magna
Product Series	Round Magnets - Washer Shaped	Magnets - With Countersink, Round	Neodymium Magnet Ring Shape	Samarium-Cobalt Magnet Ring Type	Neodymium Magnet Disc Type	Anisotropic Ferrite Magnet Ring Type
CAD	2D / 3D	2D
Days to Ship	Same day or more Show Stock Products	Same day or more Show Stock Products	Same day or more Show Stock Products	9 Days or more	9 Days or more	9 Days or more
Specifications	inCAD Components
Shape	Ring	Ring	Ring	Ring	Ring	Ring
Attraction Froce (Range)(N)	Up to 10.0 / 10.1 to 20.0 / 20.1 to 30.0 / 30.1 to 40.0 / 40.1 to 50.0 / 50.1 to 60.0 / 60.1 to 70.0 / 70.1 to 80.0 / 90.1 to 100.0	Up to 10.0 / 10.1 to 20.0 / 20.1 to 30.0 / 40.1 to 50.0 / 50.1 to 60.0 / 70.1 to 80.0	Up to 10.0 / 10.1 to 20.0 / 20.1 to 30.0 / 30.1 to 40.0 / 50.1 to 60.0 / 70.1 to 80.0 / 80.1 to 90.0 / 100.1 or More	Up to 10.0 / 10.1 to 20.0 / 20.1 to 30.0 / 50.1 to 60.0 / 60.1 to 70.0	-	-
Attraction Force (Specify)(N)	4.9 ～ 98.5	7.8 ～ 78.4	1.9 ～ 539.3	1.4 ～ 69.6	-	-
Magnet Type (Material)	Neodymium Magnet	Neodymium Magnet	Neodymium Magnet	Samarium-Cobalt Magnet	Neodymium Magnet	Ferrite Magnet
O.D.(Ø)	6 ～ 30	-	5 ～ 76	3 ～ 46	26 ～ 60	6 ～ 134
I.D.(Ø)	2 ～ 12	-	2 ～ 42	1 ～ 33	20 ～ 30	2 ～ 75

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Stock

- Show Stock Products
Clear

Specification/Dimensions

Shape
- Round
- Ring
Larger Image

Clear

Attraction Froce (Range)(N)
- Up to 10.0
- 10.1 to 20.0
- 20.1 to 30.0
- 30.1 to 40.0
- 40.1 to 50.0
- 50.1 to 60.0
- 60.1 to 70.0
- 70.1 to 80.0
- 80.1 to 90.0
- 90.1 to 100.0
- 100.1 or More
Clear

Metric / Inch
- metric
Clear

Attraction Force (Specify)(N)
0.04

0.05

0.06

0.07

0.08

0.1

0.39

0.4

0.49

0.59

0.69

0.7

0.72

0.77

0.78

0.8

0.9

0.93

1.01

1.07

1.08

1.1

1.176

1.2

1.37

1.372

1.39

1.4

1.45

1.47

1.57

1.67

1.7

1.86

1.9

1.96

2.04

2.1

2.2

2.25

2.3

2.35

2.4

2.45

2.5

2.55

2.65

2.7

2.82

2.84

2.9

2.93

2.94

3.06

3.1

3.14

3.33

3.4

3.43

3.5

3.6

3.69

3.73

3.82

3.9

3.92

4.1

4.2

4.3

4.31

4.4

4.41

4.61

4.7

4.9

4.97

5

5.1

5.29

5.3

5.39

5.49

5.6

5.78

5.8

5.88

5.98

6.11

6.2

6.37

6.4

6.47

6.5

6.66

6.8

6.82

6.86

6.9

6.96

7.06

7.25

7.3

7.35

7.45

7.51

7.55

7.64

7.8

7.84

8

8.1

8.13

8.5

8.8

8.92

8.96

9.02

9.04

9.41

9.6

9.8

9.93

10.57

10.58

10.7

10.78

10.79

10.8

10.88

11.07

11.64

11.7

11.76

11.8

11.84

11.96

12.26

12.48

12.7

12.74

12.75

13.13

13.7

13.72

13.73

14.01

14.11

14.2

14.22

14.3

14.5

14.7

15.29

15.34

15.39

15.6

15.7

16.46

16.56

17.2

17.6

17.65

17.93

18.34

18.6

18.63

18.8

19.6

19.61

20.5

20.59

20.87

21.5

21.6

23.03

23.3

23.31

23.5

23.52

23.54

24.02

24.5

24.52

24.79

25.4

25.48

26.46

26.76

28.4

29.4

29.94

31.07

31.16

31.23

31.3

32.23

33.3

34.3

34.32

35.28

35.3

35.79

36

36.28

38.02

39.23

39.59

41.1

41.19

43.02

46.55

48.6

49

49.43

50.67

52.72

53.9

54.8

54.92

55.8

58.8

59.82

60.8

61.7

62.3

62.76

64.39

66.69

68.6

69.6

71.5

73.55

73.8

75.85

78.4

78.45

82.3

93.16

96.11

98.06

98.5

117.6

137.29

147

150.04

166.7

196.1

215.75

235.3

254.97

392.27

441.2

539.3

735
Clear

Magnet Type (Material)
- Neodymium Magnet
- Samarium-Cobalt Magnet
- Ferrite Magnet
- Alnico Magnet
Details

Clear

O.D.(Ø)
1

1.4

1.5

2

2.2

2.3

2.5

3

3.2

3.5

3.9

4

4.4

5

5.5

5.9

6

6.35

6.5

6.6

7

8

8.5

9

9.4

9.5

10

10.5

11

12

12.5

13

13.2

13.5

14

14.2

15

17

17.5

17.9

18

19

20

20.5

21

22

22.5

23

23.5

24

25

26

29

30

31.2

32

35.6

36

37

38

39

40

42

45

46

48

50

59

60

70

75

76

80

100

110

134
Clear

I.D.(Ø)
1

1.8

2

2.2

2.4

3

3.2

4

4.6

5

5.5

6

6.5

7

7.5

7.6

8

8.8

9

10

11

12

13

14

15.5

16

17.5

18

18.2

19

20

22

25

28

30

32

33

40

42

50

60

75
Clear

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Round Magnets（Shape：Ring）

Configure

Stock

Specification/Dimensions

Shape

Attraction Froce (Range)(N)

Metric / Inch

Attraction Force (Specify)(N)

Magnet Type (Material)

O.D.(Ø)

I.D.(Ø)