Micro Magnets

Micro Magnets are also called Micro Precision Magnets, Miniature Magnets, Minitype Magnets, Mini-sized Magnets, Tiny Magnets.

ALB Materials Inc specializes in manufacturing micro magnets.
1. Fabrication of super hard material & micro size components by adopting advance machine tools and laser equipment.
2. Super tight tolerance guaranteed (+/-0.0002" or +/-0.005mm).
Precision Centreless grinding with diameter from 0.10mm ~ 40mm and tolerance up to+/-0.001mm.
Manufacturing per customer's drawing.
3. Coating: Parylene, Nickel, Zinc & Tin
4. The materials we can supply are NdFeB or SmCo, and the products are widely used in watch, mobile telephone vibration motor, communication, medical, sensor, meter and other applications.

Product Range

Rotor Magnets for Quartz Watch Movement
Material OD(mm) ID(mm) Thickness(mm) Magnetization direction Tolerance(mm) Coating
SmCo 0.8-0.2 0.25-0.60 0.35-0.60 Radial +/-0.005- +/-0.015 No Coating
NdFeB 0.8-0.2 0.25-0.60 0.35-0.60 Radial +/-0.005- +/-0.015 Parylene C, Nickel Coated
Ring Magnets for Fiber Optics
Material OD(mm) ID(mm) Thickness(mm) Magnetization direction Tolerance(mm) Coating
SmCo 1.0 0.5 0.35 Axial +/-0.01- +/-0.02 No Coating, Nickel Coating
Ring Magnets for Mobile Motor (Thin wall and longhole)
Material OD(mm) ID(mm) Thickness(mm) Magnetization direction Tolerance(mm) Coating
SmCo 2.5 1.2 2.8 Radial +/-0.01 No Coating, Nickel Coated
NdFeB 2.5 1.2 2.8 Radial +/-0.01 No Coating, Nickel Coated
Ring Magnets for Motormeter Motor
Material OD(mm) ID(mm) Thickness(mm) Magnetization direction Tolerance(mm) Coating
SmCo 1.6 0.6 0.6 Radial +/-0.01 Nickel Coated
NdFeB 1.6 0.6 0.6 Radial +/-0.01 Nickel Coated
Micro Magnets for Sensor and others
Material Spec Size Magnetization direction Tolerance(mm) Coating
SmCo
NdFeB
Cylinder D*H 0.20 Axial +/-0.005 Nickel Coated, Parylene C, Gold Coated
Ring D*d*H 0.20
Tile R*r*H*T*W 0.20
Rectangle W*L*H 0.20
Holed Rectangle L*W*H*d 0.20

Other micro magnets can be manufactured per customer’s drawing.

Ask for Quotation

1. For complicated shape custom magnets
PDF drawing is preferred for complicated shapes.
Please send drawings to sales@albmagnets.com to request for a quote.
 

2. For regular shape custom magnets
Please email to sales@albmagnets.com with following parameter so we can prepare a quote:
Material: NdFeB
Grade: N42 (or N52 or other Grade)
Shape: Disc (or Cylinder, Block, Ring, Sphere, Arc etc)
Dimensions: 1/16" dia. x 1/16" thick (or other size)
Magnetization Direction: Axially Magnetized (or other Magnetization direction)
Coating: Ni-Cu-Ni (or other Neodymium Magnets Coating)
Quantity: 10000pcs (or other quantity)

How to choose and buy a strong neodymium magnet? ALBMagnets is a professional company for strong magnet design and manufacturing,
providing you with reliable N35, N38, N42, N52, N42SH and other grade super neodymium magnets and SmCo rare earth magnets.

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