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Magnets - Round（Shape：Ring）
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Magnet - Countersunk - Round Type
MISUMI
A Magnet Countersunk Round shape is a type of magnet that has a round shape with a countersunk hole in the center.They offer a wide variety of sizes to choose from.[Feature]● The countersunk hole allows for the magnet to be easily mounted onto a surface using a screw● Outer Diameter (mm.) : 8,10,12,15,20 and 25● Material and Heat Resistant Temperature (°C)-Neodymium Magnet / 80°C-Heat-resistant Neodymium Magnets 150°[Application]These Neodymium magnets are commonly used in various applications such as tool holders, magnetic clamping blocks
- Volume Discount
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring - - ~10.0 / 10.1~20.0 / 20.1~30.0 / 40.1~50.0 / 50.1~60.0 / 70.1~80.0 7.8 ～ 78.4 From: 66,010 VND Days to Ship: Số ngày giao hàng: Same day or more 
Same day or more
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Economy series
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MiSUMi EconomyMiSUMi EconomyMISUMI
■Please note that the product has a coated surface, and the glossiness of its appearance varies with the batch, which does not affect its performance.
- Volume Discount
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 6 ～ 30 2 ～ 12 ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 70.1~80.0 / 90.1~100.0 4.9 ～ 98.5 From: 7,023 VND Days to Ship: Số ngày giao hàng: Same day or more
Same day or more
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MISUMI
[Features]A heavy-duty ring-type magnet using a neodymium magnet. Upon opening the package, if there are magnetic objects around the product, the product may pop out and stick to them, possibly causing them to break. Please handle it with care.
- Volume Discount
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 6 ～ 30 2 ～ 12 ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 70.1~80.0 / 90.1~100.0 4.9 ～ 98.5 From: 20,190 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
Same day or more
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Ring‑Shaped Neodymium Magnet【1-10 Pieces Per Package】
NEMICON
[Features]· Neodymium magnets are the strongest magnets of all, and are ideal for reducing size and increasing the performance of devices.· On its own, the material is weak to rust and so has been finished with a nickel plating. Thanks to the excellent rustproofing and durability properties of the plating technology, it should encounter no problems under normal usage conditions.· Used widely in various cutting-edge fields such as in cell phones, HDDs, hybrid cars, etc.· There is no attraction force measurement data available for the model numbers listed below. Thank you for your understanding. [NOR001/NOR002/NOR021/NOR160/NOR244/NOR317/NOR383/NOR425]
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 2 ～ 130 0.5 ～ 115 ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 70.1~80.0 / 80.1~90.0 / 90.1~100.0 / 100.1~ 0.1 ～ 960.4 From: 557,799 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
7 Day(s) or more
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Ring-Shaped Neodymium Magnet【1-3 Pieces Per Package】
NIROKU
[Features]· Neodymium magnets are molded and sintered products mainly composed of neodymium, iron and boron, providing excellent magnetic energy properties that are the best among existing magnets.· Subjected to mainly nickel plating surface processing as it rusts easily.
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 5.7 ～ 76 2 ～ 42 ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 70.1~80.0 / 80.1~90.0 / 90.1~100.0 / 100.1~ 1.96 ～ 539 From: 184,330 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
7 Day(s) or more
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Cylindrical Neodymium Magnet With Countersunk Hole【3-10 Pieces Per Package】
NEMICON
[Features]· Neodymium magnets are the strongest magnets of all, and are ideal for reducing size and increasing the performance of devices.· However, on its own, the material is weak to rust and so has been finished with a nickel plating. Thanks to the excellent rustproofing and durability properties of the plating technology, it should encounter no problems under normal usage conditions.· Used widely in various cutting-edge fields such as in cell phones, HDDs, hybrid cars, etc.
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 5 ～ 35 - ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 80.1~90.0 / 90.1~100.0 / 100.1~ 4.6 ～ 127.4 From: 569,735 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
7 Day(s) or more
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Cylindrical Neodymium Magnet With Stepped Hole【1-10 Pieces Per Package】
NEMICON
[Features]· Neodymium magnets are the strongest magnets of all, and are ideal for reducing size and increasing the performance of devices.· On its own, the material is weak to rust and so has been finished with a nickel plating. Thanks to the excellent rustproofing and durability properties of the plating technology, it should encounter no problems under normal usage conditions.· Used widely in various cutting-edge fields such as in cell phones, HDDs, hybrid cars, etc.· There is no attraction force measurement data available for the model numbers listed below. Thank you for your understanding. [NOCP06]
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 5 ～ 30 1 ～ 9 ~10.0 / 10.1~20.0 / 40.1~50.0 / 100.1~ 7.8 ～ 274.4 From: 771,555 VND Days to Ship: Số ngày giao hàng: 12 Day(s) or more
12 Day(s) or more
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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℃.
- CAD ：
- 2D
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 5 ～ 76 2 ～ 42 ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 50.1~60.0 / 70.1~80.0 / 80.1~90.0 / 100.1~ 1.9 ～ 539.3 From: 68,406 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
7 Day(s) or more
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Samarium-cobalt magnet ring【1-3 Pieces Per Package】
NIROKU
[Features]· Samacoba magnets are molded sintered products mainly made of samarium and cobalt, second only to neodymium magnets in their magnetic properties.· Although rust-resistant and resistant to high temperatures, it breaks easily and must be handled with care.
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Cobalt Magnet Ring 1.5 ～ 60 0.4 ～ 33 ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 50.1~60.0 / 60.1~70.0 / 100.1~ 0.098 ～ 284.2 From: 247,750 VND Days to Ship: Số ngày giao hàng: 9 Day(s) or more
9 Day(s) or more
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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.
- CAD ：
- 2D
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Cobalt Magnet Ring 3 ～ 46 1 ～ 33 ~10.0 / 10.1~20.0 / 20.1~30.0 / 50.1~60.0 / 60.1~70.0 1.4 ～ 69.6 From: 109,018 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
7 Day(s) or more
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MAGNA
A neodymium magnet, which produces the strongest magnetic field of any magnet. [Features]· A neodymium magnet with completely unprecedented strength thanks to its polyamide coat (powder coating). · Its environmental resistance characteristics are significantly improved compared to conventional plated products. · Its durability was verified in a 2,000 hour salt spray test. · It uses the latest coating technology for outstanding durability and resistance to cracking and chipping. [Applications]· Optimal for apparel, bags, toiletries, kitchens, home related goods, etc.
- CAD ：
- 2D
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 15 ～ 20 4.5 - - From: 348,065 VND Days to Ship: Số ngày giao hàng: 10 Day(s) or more
10 Day(s) or more
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Neodymium Magnet, NdFeB, Arc Type, Ring【1-50 Pieces Per Package】
MAGFINE
Containing mainly Nd (neodymium), Fe (iron), and B (boron), the neodymium magnet is currently the most powerful magnet available.Excellent mechanical strength with energy product about 8 times stronger than anisotropic ferrite magnets.The neodymium magnet itself is prone to rusting, so nickel plating surface processing is applied as standard.However, as its temperature resistance is low, care is required when using.
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 5.5 ～ 50 2 ～ 42 ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 50.1~60.0 / 100.1~ 0.03 ～ 169.5 From: 457,363 VND Days to Ship: Số ngày giao hàng: 11 Day(s) or more
11 Day(s) or more
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Ring‑Shaped Samarium-Cobalt Magnet【1-10 Pieces Per Package】
NEMICON
[Features]· Temperature changes for the magnetic force are minimal, making it suitable for use in applications requiring temperature stability or in high temperatures.· The magnet materials do not easily rust so surface treatments such as plating, etc. are not normally necessary.· There is high demand for this magnet in compact magnetic sensors, micro switches, small relays, optical communications and laser devices.· They are particularly suited for uses requiring temperature stability.· There is no attraction force measurement data available for the model numbers listed below. Thank you for your understanding. [SCR01]
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Cobalt Magnet Ring 1.25 ～ 45.5 0.35 ～ 38 ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 60.1~70.0 / 70.1~80.0 / 100.1~ 0.3 ～ 168.5 From: 932,531 VND Days to Ship: Số ngày giao hàng: 12 Day(s) or more
12 Day(s) or more
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Ring‑Shaped Ferrite Magnet【2-10 Pieces Per Package】
NEMICON
[Features]· The external appearance is grayish black. Has the same properties as ceramic. Is relatively brittle so should be handled with care.· The main raw material is iron oxide, making it suitable for applications where keeping costs under control is important.· While having comparatively stable magnetic properties, the Hcj (coercive force) temperature characteristics are the opposite of that of metal magnets. At low temperatures the Hcj deteriorates, so if using in temperatures below -30°C it is necessary to be careful of low temperature demagnetization.· There is no attraction force measurement data available for the model numbers listed below. Thank you for your understanding. [FRR01/FRR02/FRR31/FRR37]
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Ferrite Magnet Ring 3 ～ 120 1 ～ 60 ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 70.1~80.0 / 100.1~ 0.1 ～ 170.5 From: 565,609 VND Days to Ship: Số ngày giao hàng: 12 Day(s) or more
12 Day(s) or more
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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.
- CAD ：
- 2D
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 26 ～ 60 20 ～ 30 - - From: 571,175 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
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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.
- CAD ：
- 2D
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Ferrite Magnet Ring 6 ～ 134 2 ～ 75 - - From: 34,731 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
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Alnico Magnet, Ring【2 Pieces Per Package】
NIROKU
[Features]· As the Alnico magnet is cast, it has excellent temperature resistance and has often been used where stable accuracy is required. However, its magnetism is easily degraded.
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Alnico Magnet Ring 20 ～ 30 5 ～ 8 ~10.0 / 10.1~20.0 9.8 ～ 19.6 From: 1,297,720 VND Days to Ship: Số ngày giao hàng: 10 Day(s) or more
10 Day(s) or more
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Ring Type Antisotropic Ferrite Magnet【3 Pieces Per Package】
NIROKU
[Features]· Ferrite magnets are sintered products made from metallurgical powder to form inexpensive magnets, typically used when stable magnetic properties or high magnetic fields are not required.· This blackish magnet is a familiar sight when used in a wide array of applications.
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Ferrite Magnet Ring 6 ～ 100 2 ～ 60 ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 80.1~90.0 / 100.1~ 1.176 ～ 117.6 From: 119,701 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
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Penetrate Hole Flat Holding Magnet RMD【1-10 Pieces Per Package】
ELESA
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Ferrite Magnet Ring 16 ～ 100 - - 14 ～ 680 From: 1,229,408 VND Days to Ship: Số ngày giao hàng: 13 Day(s)
13 Day(s)
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Penetrate Hole Flat Holding Magnet RME【2-10 Pieces Per Package】
ELESA
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Cobalt Magnet Ring 19 ～ 38 - - 30 ～ 130 From: 1,507,965 VND Days to Ship: Số ngày giao hàng: 13 Day(s)
13 Day(s)
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Thread Penetrate Hole Flat Holding Magnet RMG【2-10 Pieces Per Package】
ELESA
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 22 ～ 88 - - 35 ～ 420 From: 2,133,630 VND Days to Ship: Số ngày giao hàng: 13 Day(s)
13 Day(s)
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Penetrate Hole Flat Holding Magnet RMI【2-10 Pieces Per Package】
ELESA
Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N) Neodymium Iron Boron Magnet Ring 22 ～ 66 - - 35 ～ 210 From: 1,939,247 VND Days to Ship: Số ngày giao hàng: 13 Day(s)
13 Day(s)
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| SpecificationsĐặc điểm kĩ thuật |
| Magnet Type (Material) |
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You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| BrandNhãn hiệu | MISUMI | MISUMI | MISUMI | NEMICON | NIROKU | NEMICON | NEMICON | MAGNA | NIROKU | MAGNA | MAGNA | MAGFINE | NEMICON | NEMICON | MAGNA | MAGNA | NIROKU | NIROKU | ELESA | ELESA | ELESA | ELESA |
| Product SeriesDòng sản phẩm | Cylindrical Neodymium Magnet With Countersunk Hole【3-10 Pieces Per Package】 | Cylindrical Neodymium Magnet With Stepped Hole【1-10 Pieces Per Package】 | Neodymium Magnet, NdFeB, Arc Type, Ring【1-50 Pieces Per Package】 | Penetrate Hole Flat Holding Magnet RMD【1-10 Pieces Per Package】 | Penetrate Hole Flat Holding Magnet RME【2-10 Pieces Per Package】 | Thread Penetrate Hole Flat Holding Magnet RMG【2-10 Pieces Per Package】 | Penetrate Hole Flat Holding Magnet RMI【2-10 Pieces Per Package】 | |||||||||||||||
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| From | 66,010 VND | 7,023 VND | 20,190 VND Special Price On Sale Till 31/03/2025 | 557,799 VND | 184,330 VND | 569,735 VND | 771,555 VND | 68,406 VND | 247,750 VND | 109,018 VND | 348,065 VND | 457,363 VND | 932,531 VND | 565,609 VND | 571,175 VND | 34,731 VND | 1,297,720 VND | 119,701 VND | 1,229,408 VND | 1,507,965 VND | 2,133,630 VND | 1,939,247 VND |
| Days to ShipSố ngày giao hàng | Same day or more | Same day or more | Same day or more | 7 Day(s) or more | 7 Day(s) or more | 7 Day(s) or more | 12 Day(s) or more | 7 Day(s) or more | 9 Day(s) or more | 7 Day(s) or more | 10 Day(s) or more | 11 Day(s) or more | 12 Day(s) or more | 12 Day(s) or more | 7 Day(s) or more | 7 Day(s) or more | 10 Day(s) or more | 7 Day(s) or more | 13 Day(s) | 13 Day(s) | 13 Day(s) | 13 Day(s) |
| SpecificationsĐặc điểm kĩ thuật | ||||||||||||||||||||||
| Magnet Type (Material) | Neodymium Iron Boron Magnet | Neodymium Iron Boron Magnet | Neodymium Iron Boron Magnet | Neodymium Iron Boron Magnet | Neodymium Iron Boron Magnet | Neodymium Iron Boron Magnet | Neodymium Iron Boron Magnet | Neodymium Iron Boron Magnet | Cobalt Magnet | Cobalt Magnet | Neodymium Iron Boron Magnet | Neodymium Iron Boron Magnet | Cobalt Magnet | Ferrite Magnet | Neodymium Iron Boron Magnet | Ferrite Magnet | Alnico Magnet | Ferrite Magnet | Ferrite Magnet | Cobalt Magnet | Neodymium Iron Boron Magnet | Neodymium Iron Boron Magnet |
| Shape | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring | Ring |
| O.D.(Ø) | - | 6 ～ 30 | 6 ～ 30 | 2 ～ 130 | 5.7 ～ 76 | 5 ～ 35 | 5 ～ 30 | 5 ～ 76 | 1.5 ～ 60 | 3 ～ 46 | 15 ～ 20 | 5.5 ～ 50 | 1.25 ～ 45.5 | 3 ～ 120 | 26 ～ 60 | 6 ～ 134 | 20 ～ 30 | 6 ～ 100 | 16 ～ 100 | 19 ～ 38 | 22 ～ 88 | 22 ～ 66 |
| Inner Dia.(Ø) | - | 2 ～ 12 | 2 ～ 12 | 0.5 ～ 115 | 2 ～ 42 | - | 1 ～ 9 | 2 ～ 42 | 0.4 ～ 33 | 1 ～ 33 | 4.5 | 2 ～ 42 | 0.35 ～ 38 | 1 ～ 60 | 20 ～ 30 | 2 ～ 75 | 5 ～ 8 | 2 ～ 60 | - | - | - | - |
| Attraction Force (Range)(N) | ~10.0 / 10.1~20.0 / 20.1~30.0 / 40.1~50.0 / 50.1~60.0 / 70.1~80.0 | ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 70.1~80.0 / 90.1~100.0 | ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 70.1~80.0 / 90.1~100.0 | ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 70.1~80.0 / 80.1~90.0 / 90.1~100.0 / 100.1~ | ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 70.1~80.0 / 80.1~90.0 / 90.1~100.0 / 100.1~ | ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 80.1~90.0 / 90.1~100.0 / 100.1~ | ~10.0 / 10.1~20.0 / 40.1~50.0 / 100.1~ | ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 50.1~60.0 / 70.1~80.0 / 80.1~90.0 / 100.1~ | ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 50.1~60.0 / 60.1~70.0 / 100.1~ | ~10.0 / 10.1~20.0 / 20.1~30.0 / 50.1~60.0 / 60.1~70.0 | - | ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 50.1~60.0 / 100.1~ | ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 60.1~70.0 / 70.1~80.0 / 100.1~ | ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 70.1~80.0 / 100.1~ | - | - | ~10.0 / 10.1~20.0 | ~10.0 / 10.1~20.0 / 20.1~30.0 / 30.1~40.0 / 40.1~50.0 / 50.1~60.0 / 60.1~70.0 / 80.1~90.0 / 100.1~ | - | - | - | - |
| Attraction Force (Specific)(N) | 7.8 ～ 78.4 | 4.9 ～ 98.5 | 4.9 ～ 98.5 | 0.1 ～ 960.4 | 1.96 ～ 539 | 4.6 ～ 127.4 | 7.8 ～ 274.4 | 1.9 ～ 539.3 | 0.098 ～ 284.2 | 1.4 ～ 69.6 | - | 0.03 ～ 169.5 | 0.3 ～ 168.5 | 0.1 ～ 170.5 | - | - | 9.8 ～ 19.6 | 1.176 ～ 117.6 | 14 ～ 680 | 30 ～ 130 | 35 ～ 420 | 35 ～ 210 |
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ConfigureTạo
Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
-
Magnet Type (Material)
- Neodymium Iron Boron Magnet
- Cobalt Magnet
- Ferrite Magnet
- Alnico Magnet
-
Shape
-
Round -
Ring -
Arc Type
-
-
O.D.(Ø)
- 0.8
- 1
- 1.2
- 1.25
- 1.4
- 1.45
- 1.46
- 1.5
- 1.6
- 1.8
- 1.85
- 1.9
- 2
- 2.2
- 2.3
- 2.4
- 2.5
- 2.52
- 2.55
- 2.6
- 2.8
- 3
- 3.2
- 3.5
- 3.7
- 3.8
- 3.9
- 4
- 4.1
- 4.2
- 4.3
- 4.4
- 4.5
- 4.8
- 5
- 5.2
- 5.3
- 5.4
- 5.5
- 5.6
- 5.7
- 5.8
- 5.9
- 6
- 6.1
- 6.35
- 6.5
- 6.6
- 6.7
- 6.9
- 7
- 7.25
- 7.6
- 7.7
- 7.9
- 8
- 8.1
- 8.2
- 8.5
- 8.6
- 9
- 9.3
- 9.4
- 9.5
- 9.6
- 9.7
- 10
- 10.5
- 10.6
- 10.8
- 11
- 11.7
- 11.8
- 12
- 12.35
- 12.5
- 12.6
- 12.7
- 13
- 13.2
- 13.5
- 13.7
- 13.9
- 14
- 14.2
- 14.5
- 15
- 15.5
- 16
- 16.4
- 16.5
- 17
- 17.2
- 17.5
- 17.9
- 18
- 18.5
- 18.6
- 18.9
- 19
- 19.1
- 19.2
- 19.5
- 20
- 20.5
- 20.9
- 21
- 21.2
- 22
- 22.5
- 23
- 23.3
- 23.5
- 23.7
- 23.9
- 24
- 24.9
- 25
- 25.4
- 25.5
- 26
- 27
- 28
- 29
- 30
- 31
- 31.2
- 31.8
- 32
- 33.2
- 34
- 35
- 35.5
- 35.6
- 36
- 37
- 38
- 38.6
- 39
- 39.2
- 40
- 42
- 43
- 43.9
- 45
- 45.5
- 46
- 47
- 48
- 49.5
- 50
- 52
- 55
- 56
- 57
- 59
- 60
- 63
- 65
- 66
- 67
- 70
- 72
- 75
- 76
- 80
- 88
- 90
- 100
- 110
- 115
- 120
- 125
- 127
- 130
- 134
-
Inner Dia.(Ø)
- 0.35
- 0.4
- 0.5
- 0.6
- 1
- 1.2
- 1.25
- 1.3
- 1.5
- 1.67
- 1.8
- 2
- 2.05
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
- 2.8
- 3
- 3.1
- 3.2
- 3.25
- 3.27
- 3.4
- 3.5
- 3.53
- 3.8
- 4
- 4.1
- 4.4
- 4.5
- 4.6
- 5
- 5.1
- 5.2
- 5.3
- 5.5
- 5.6
- 6
- 6.1
- 6.5
- 6.6
- 7
- 7.1
- 7.4
- 7.5
- 7.6
- 7.8
- 8
- 8.3
- 8.5
- 8.8
- 8.9
- 9
- 9.4
- 9.5
- 9.8
- 10
- 10.2
- 10.5
- 10.8
- 11
- 11.2
- 11.6
- 12
- 12.25
- 12.4
- 12.5
- 12.7
- 12.8
- 13
- 14
- 14.8
- 15
- 15.2
- 15.5
- 16
- 16.5
- 17
- 17.5
- 18
- 18.2
- 18.8
- 19
- 19.1
- 19.3
- 19.7
- 20
- 21
- 22
- 23
- 23.5
- 24
- 25
- 26
- 27
- 28
- 30
- 31
- 32
- 33
- 33.1
- 34
- 35
- 38
- 40
- 42
- 43
- 45
- 47
- 50
- 60
- 62
- 70
- 75
- 85
- 90
- 95
- 100
- 115
-
Attraction Force (Range)(N)
- ~10.0
- 10.1~20.0
- 20.1~30.0
- 30.1~40.0
- 40.1~50.0
- 50.1~60.0
- 60.1~70.0
- 70.1~80.0
- 80.1~90.0
- 90.1~100.0
- 100.1~
-
Attraction Force (Specific)(N)
Application example related to this categoryVí dụ ứng dụng liên quan đến danh mục này
Related Categories to Magnets - RoundDanh mục liên quan đến Magnets - Round
FAQ Magnets - Round
- Question: What is the strongest type of round magnet?
- Answer: The strongest type of round magnet is the neodymium magnet and they are available in a variety of shapes, including rings, cylindrical, rectangle, square and circle with countersunk hole that can be easily mounted onto a surface using a screw. These magnets are known for their extreme strength, compact size, and high coercive force, making them suitable for a wide range of applications especially in factory automation.
- Question: What are cobalt magnets known for?
- Answer: Samarium–cobalt (SmCo) magnets are widely used in various industries, including automotive, medical, industrial manufacturing and semiconductor due to their exceptional magnetic properties:
1. High strength, comparable to neodymium magnets
2. Excellent temperature stability, maintaining their magnetic properties up to about 300°C
3. High resistance to corrosion and oxidation, often not requiring surface treatments.
4. High resistance to demagnetization, making them ideal for applications where magnetic stability is critical. - Question: Can high temperatures affect magnets?
- Answer: High temperatures can significantly affect magnets. When a magnet is exposed to high temperatures the magnetic strength and field weaken. On the other hand, exposing a magnet to colder temperatures increases its magnetism. However, it's important to note that all magnets have a maximum operating temperature, and if this is exceeded, they can experience irreversible losses in performance.
For instance, standard grade neodymium magnets have a maximum operating temperature of 80 °C if you want to use the neodymium magnets over 80 °C we recommend the Heat-resistant grade of Neodymium Magnets, that have a maximum operating temperature150° Therefore, it's essential to consider the temperature effects when using magnets in various applications. - Question: What should be considered when choosing a round magnet?
- Answer: When choosing a round magnet, several factors should be considered Here are the key considerations:
1. Application and Requirements: Understand the purpose and specific needs, for example, the required magnetic strength, size, and shape.
2. Environmental and Temperature Conditions: Consider whether the magnet will be exposed to the temperature range of the application or harsh environmental conditions, for example, standard grade neodymium magnets have a maximum operating temperature of 80 °C
3. Material Type, Size, and Shape: Consider the material type (e.g. Neodymium magnets and Heat-resistant Neodymium Magnets), size, and shape that appropriate to set up in your application
4. Safety Considerations: Consider any safety concerns, especially with strong magnets, to prevent accidents or damage to equipment in the system
By carefully considering these factors, the right round magnet can be selected to meet the project's needs effectively and safely. - Question: Are there special precautions for handling strong magnets?
- Answer: When handling strong magnets, several special precautions should be observed. Here are some of the key precautions include:
1. Keep Distance and Use Caution: Magnets should be kept at a safe distance from metals, steel, and other magnets to avoid immediate impact and prevent magnets from snapping or slamming together, which can cause injuries.
2. Wear Protective Gear: It is recommended to wear eye protection, as magnets, especially neodymium and samarium cobalt, are very hard and brittle and can chip
3. Keep Away from Sensitive Devices: Magnets can affect pacemakers, implanted medical devices, electronic devices. Therefore, they should be kept away from these devices to avoid deactivation or damage
4. Dispose of Carefully: Magnets should be disposed of carefully and in accordance with the relevant guidelines to prevent any potential hazards
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