Neodymium Ring Magnets

Neodymium ring magnets with best quality guaranteed for research, engineering or industry; volume discounts at 10, 100, 1000+ on most sizes.

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Displaying 1 to 26 (of 26 products) Result Pages:  1 
  • 5x2.5x1mm Neodymium Ring Magnet
    SKU: 44600-1 $0.17USD or lower
    5x2.5x1mm Neodymium Ring Magnet
    QTY
  • 5x2.5x2.5mm NdFeB Ring Magnet
    SKU: 44600-2.5 $0.15USD or lower
    5x2.5x2.5mm NdFeB Ring Magnet
    QTY
  • 5x2.5x7.5mm Rare Earth Tube Magnet
    SKU: 44600-7.5 $0.25USD or lower
    5x2.5x7.5mm Rare Earth Tube Magnet
    QTY
  • 5x2.5x10mm Neodymium Tube Magnet
    SKU: 44600-10 $0.38USD or lower
    5x2.5x10mm Neodymium Tube Magnet
    QTY
  • 7.5x2.5x1mm Thin Nd Ring Magnet
    SKU: 44601-1 $0.30USD or lower
    7.5x2.5x1mm Thin Nd Ring Magnet
    QTY
  • 7.5x2.5x5mm NdFeB Ring Magnet
    SKU: 44601-5 $0.25USD or lower
    7.5x2.5x5mm NdFeB Ring Magnet
    QTY
  • 7.5x5x1mm Nd Circular Magnet
    SKU: 44602-1 $0.40USD or lower
    7.5x5x1mm Nd Circular Magnet
    QTY
  • 7.5x5x2.5mm Permanent Nd Ring Magnet
    SKU: 44602-2.5 $0.56USD or lower
    7.5x5x2.5mm Permanent Nd Ring Magnet
    QTY
  • 7.5x5x5mm Nd Circular Magnet
    SKU: 44602-5 $0.75USD or lower
    7.5x5x5mm Nd Circular Magnet
    QTY
  • 10x2.5x1mm Rare Earth Ring Magnet
    SKU: 44603-1 $0.34USD or lower
    10x2.5x1mm Rare Earth Ring Magnet
    QTY
  • 10x2.5x5mm Nd Rare Earth Tube Magnet
    SKU: 44603-5 $0.45USD or lower
    10x2.5x5mm Nd Rare Earth Tube Magnet
    QTY
  • 10x5x1mm Nd Ring Washer Magnet
    SKU: 44604-1 $0.28USD or lower
    10x5x1mm Nd Ring Washer Magnet
    QTY
  • 10x5x2.5mm Neo Donut Magnet
    SKU: 44604-2.5 $0.38USD or lower
    10x5x2.5mm Neo Donut Magnet
    QTY
  • 10x5x10mm Nd Tubular Ring Magnet
    SKU: 44604-10 $0.75USD or lower
    10x5x10mm Nd Tubular Ring Magnet
    QTY
  • 12.5x2.5x1mm Nd Ring Magnet
    SKU: 44606-1 $0.28USD or lower
    12.5x2.5x1mm Nd Ring Magnet
    QTY
  • 12.5x2.5x2.5mm Nd Ring Magnet
    SKU: 44606-2.5 $0.34USD or lower
    12.5x2.5x2.5mm Nd Ring Magnet
    QTY
  • 12.5x2.5x5mm Nd Ring Magnet
    SKU: 44606-5 $0.80USD or lower
    12.5x2.5x5mm Nd Ring Magnet
    QTY
  • 12.5x2.5x10mm Nd Annular Magnet
    SKU: 44606-10 $0.90USD or lower
    12.5x2.5x10mm Nd Annular Magnet
    QTY
  • 12.5x5x1mm Nd Thin Ring Magnet
    SKU: 44607-1 $0.48USD or lower
    12.5x5x1mm Nd Thin Ring Magnet
    QTY
  • 12.5x5x2.5mm Nd Donut Magnet
    SKU: 44607-2.5 $0.60USD or lower
    12.5x5x2.5mm Nd Donut Magnet
    QTY
  • 12.5x5x5mm Nd Permanent Ring Magnet
    SKU: 44607-5 $0.60USD or lower
    12.5x5x5mm Nd Permanent Ring Magnet
    QTY
  • 12.5x7.5x5mm Nd Ring Magnet
    SKU: 44608-5 $1.00USD or lower
    12.5x7.5x5mm Nd Ring Magnet
    QTY
  • 15x5x1mm Nd Thin Washer Magnet
    SKU: 44611-1 $0.56USD or lower
    15x5x1mm Nd Thin Washer Magnet
    QTY
  • 17.5x5x1mm Nd Flat Ring Magnet
    SKU: 44616-1 $0.40USD or lower
    17.5x5x1mm Nd Flat Ring Magnet
    QTY
  • 17.5x5x2.5mm Nd Ring Magnet
    SKU: 44616-2.5 $0.85USD or lower
    17.5x5x2.5mm Nd Ring Magnet
    QTY
  • 25x12.5x2.5mm Nd Ring Magnet
    SKU: 44632-2.5 $1.00USD or lower
    25x12.5x2.5mm Nd Ring Magnet
    QTY

Displaying 1 to 26 (of 26 products) Result Pages:  1 
 

Custom Magnet Assemblies

Indigo Instruments is partnered with a wolrd class designer & manufacturer of magnets & magnet assemblies. For more information see: Custom Machined Magnet Assemblies & Magnetic Filters.

See the Technical Tab below for General Specifications. .

For detailed specifications on individual magnets, click on their respective images for gauss ratings & pull forces with different air gaps.

American/Canadian Coin Sizes: 1 in= 25 mm

Dime: ~18x1.2mm; Penny: ~19x1.45mm; Nickel: ~21x1.75mm; Quarter: ~24x1.6mm.

  • Can damage computer gear & credit cards.
  • Handle with care. Magnets can snap together and break skin or a finger or shatter on impact.
  • N42 grade: ~13,000 gauss (1.3T)
  • nickel-copper-nickel coated
  • size tolerance for dimensions <10mm: +/- 0.05mm
  • size tolerance for dimensions >10mm: +/- 0.1mm
  • magnet strength variance piece to piece: <8%
  • 80C maximum operating temperature
Holding Force in Pounds & Kilograms
Part Number (SKU) Size (mm) Pounds Kilograms
44600-1 OD5 x ID2.5 x 1 0.38 0.17
44600-2.5 OD5 x ID2.5 x 2.5 1.03 0.47
44600-5 OD5 x ID2.5 x 5 1.6 0.73
44600-7.5 OD5 x ID2.5 x 7.5 1.67 0.76
44600-10 OD5 x ID2.5 x 10 1.68 0.76
44601-1 OD7.5 x ID2.5 x 1 0.80 0.36
44601-2.5 OD7.5 x ID2.5 x 2.5 2.02 0.92
44601-5 OD7.5 x ID2.5 x 5 3.7 1.68
44602-1 OD7.5 x ID5 x 1 0.58 0.26
44602-2.5 OD7.5 x ID5 x 2.5 1.48 0.67
44602-5 OD7.5 x ID5 x 5 2.47 1.12
44603-1 OD10 x ID2.5 x 1 1.2 0.55
44603-2.5 OD10 x ID2.5 x 2.5 3.1 1.41
44603-5 OD10XID2.5X5   6.14 2.79
44604-1 OD10 x ID5 x 1 1.05 0.48
44604-2.5 OD10 x ID5 x 2.5 2.67 1.21
44604-5 OD10 x ID5 x 5 5.17 2.35
44604-10 OD10 x ID5 x 10 6.83 3.10
44606-1 OD12.5 x ID2.5 x 1 1.59 0.72
44606-2.5 OD12.5 x ID2.5 x 2.5 4.29 1.95
44606-5 OD12.5 x ID2.5 x 5 8.91 4.05
44606-10 OD12.5 x 2.5 x 10 12.80 5.82
44607-1 OD12.5 x 5 x 1 1.47 0.67
44607-2.5 OD12.5 x 5 x 2.5 3.92 1.78
44607-5 OD12.5 x ID5 x 5 8.05 3.66
44608-1 OD12.5 x ID7.5 x 1 1.25 0.57
44608-2.5 OD12.5 x ID7.5 x 2.5 3.24 1.47
44608-5 OD12.5 x ID7.5 x 5 6.48 2.95
44611-1 OD15 x ID5 x 1 1.88 0.85
44611-2.5 OD15 x ID5 x 2.5 5.18 2.35
44616-1 OD17.5 x ID5 x 1 2.27 1.03
44616-2.5 OD17.5 x ID5 x 2.5 6.4 2.91
44632-2.5 OD25 x ID12.5 x 2.5 8.09 3.68

 

  

American & Canadian Coin Sizes: Smallest to Largest
Dime: ~18x1.2mm; Penny: ~19x1.45mm; Nickel: ~21x1.75mm; Quarter: ~24x1.6mm.