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Strong, Rare Earth Neodymium Magnets Online
Neodymium magnets, a member of the rare earth magnet family, are well known for being the strongest magnets in the world. These magnets have a high resistance to demagnetization are plated (typically with nickel) to protect them from corrosion and chipping. Neodymium magnets are used in an enormous range of applications, including electronics, healthcare, industrial applications, clamps, magnetic separation equipment, and more. BuyMagnets.com offers neodymium magnets in over 250 different shapes, sizes, and strengths. Shop our large selection including N42 Neodymium Magnets, N52 Neo Magnets, N55 Neodymium Magnets, Neodymium Block Magnets, Neodymium Disc Magnets, Bonded Neodymium Magnets, Pot Magnets, High-Temp Magnets, and much more

Showing all 8 results

  • adhesive block magnet

    Neodymium Adhesive Block Magnets, N52

    $1.69 – $5.60
    Size (H x L x W) 7 options

    0.055 in x 0.750 in x 0.500 in

    • SKU NEB52P755005PSAS
    • Size (H x L x W) 0.055 in x 0.750 in x 0.500 in
    • Length 0.750 in
    • Width 0.500 in
    • Thickness 0.055 in
    • Holding Force (lbs) 4.75

    0.055 in x 0.750 in x 0.500 in

    • SKU NEB52P755005PSAN
    • Size (H x L x W) 0.055 in x 0.750 in x 0.500 in
    • Length 0.750 in
    • Width 0.500 in
    • Thickness 0.055 in
    • Holding Force (lbs) 4.75

    0.100 in x 0.500 in x 0.375 in

    • SKU NEB52P503710PSAN
    • Size (H x L x W) 0.100 in x 0.500 in x 0.375 in
    • Length 0.500 in
    • Width 0.375 in
    • Thickness 0.100 in
    • Holding Force (lbs) 5.54

    0.118 in x 0.590 in x 0.315 in

    • SKU NEB52P593111PSAN
    • Size (H x L x W) 0.118 in x 0.590 in x 0.315 in
    • Length 0.590 in
    • Width 0.315 in
    • Thickness 0.118 in
    • Holding Force (lbs) 7.09

    0.055 in x 1 in x 0.750 in

    • SKU NEB52P1007505PSAN
    • Size (H x L x W) 0.055 in x 1 in x 0.750 in
    • Length 1 in
    • Width 0.750 in
    • Thickness 0.055 in
    • Holding Force (lbs) 6.96

    0.125 in x 1 in x 0.500 in

    • SKU NEB52P1005012PSAN
    • Size (H x L x W) 0.125 in x 1 in x 0.500 in
    • Length 1 in
    • Width 0.500 in
    • Thickness 0.125 in
    • Holding Force (lbs) 12.8

    0.055 in x 0.500 in x 0.375 in

    • SKU NEB52P503705PSAN
    • Size (H x L x W) 0.055 in x 0.500 in x 0.375 in
    • Length 0.500 in
    • Width 0.375 in
    • Thickness 0.055 in
    • Holding Force (lbs) 3.17

  • Neodymium Block Magnets, N52, Plated

    $38.68 – $163.84
    Size (H x L x W) 5 options

    0.375 in x 1.875 in x 0.875 in

    • SKU NEB52P1878737
    • Size (H x L x W) 0.375 in x 1.875 in x 0.875 in
    • Length 1.875 in
    • Width 0.875 in
    • Thickness 0.375 in
    • Holding Force (lbs) 69.28

    1 in x 2 in x 0.500 in

    • SKU NEB52P20050100
    • Size (H x L x W) 1 in x 2 in x 0.500 in
    • Length 2 in
    • Width 0.500 in
    • Thickness 1 in
    • Holding Force (lbs) 94.6

    0.750 in x 2 in x 1 in

    • SKU NEB52P20010075
    • Size (H x L x W) 0.750 in x 2 in x 1 in
    • Length 2 in
    • Width 1 in
    • Thickness 0.750 in
    • Holding Force (lbs) 132.6

    0.500 in x 2 in x 1 in

    • SKU NEB52P20010050
    • Size (H x L x W) 0.500 in x 2 in x 1 in
    • Length 2 in
    • Width 1 in
    • Thickness 0.500 in
    • Holding Force (lbs) 96.2

    0.500 in x 3 in x 2 in

    • SKU NEB52P30020050
    • Size (H x L x W) 0.500 in x 3 in x 2 in
    • Length 3 in
    • Width 2 in
    • Thickness 0.500 in
    • Holding Force (lbs) 171.5
  • bonded block magnet

    Bonded Neodymium Block Magnets

    $0.66 – $201.51
    Size (H x L x W) 15 options

    0.15 in x 0.807 in x 0.303 in

    View Product Specs
    L.807
    W.303
    T.150
    • SKU NB053-AM
    • Size (H x L x W) 0.15 in x 0.807 in x 0.303 in
    • Length 0.807 in
    • Width 0.303 in
    • Thickness 0.15 in
    • Holding Force (lbs) 1.5

    0.748 in x 1.969 in x 1.969 in

    View Product Specs
    L1.969
    W1.969
    T.748
    • SKU NB081-EM
    • Size (H x L x W) 0.748 in x 1.969 in x 1.969 in
    • Length 1.969 in
    • Width 1.969 in
    • Thickness 0.748 in
    • Holding Force (lbs) 30.7

    0.079 in x 0.197 in x 0.197 in

    View Product Specs
    L.197
    W.197
    T.079
    • SKU NB022-AM
    • Size (H x L x W) 0.079 in x 0.197 in x 0.197 in
    • Length 0.197 in
    • Width 0.197 in
    • Thickness 0.079 in
    • Holding Force (lbs) 0.4

    0.197 in x 1.969 in x 0.394 in

    View Product Specs
    L1.969
    W.394
    T.197
    • SKU NB042-CM
    • Size (H x L x W) 0.197 in x 1.969 in x 0.394 in
    • Length 1.969 in
    • Width 0.394 in
    • Thickness 0.197 in
    • Holding Force (lbs) 3.6

    0.079 in x 1.969 in x 0.394 in

    View Product Specs
    L1.969
    W.394
    T.079
    • SKU NB042-DM
    • Size (H x L x W) 0.079 in x 1.969 in x 0.394 in
    • Length 1.969 in
    • Width 0.394 in
    • Thickness 0.079 in
    • Holding Force (lbs) 1.5

    0.5 in x 1.969 in x 1.969 in

    View Product Specs
    L1.969
    W1.969
    T.500
    • SKU NB081-CM
    • Size (H x L x W) 0.5 in x 1.969 in x 1.969 in
    • Length 1.969 in
    • Width 1.969 in
    • Thickness 0.5 in
    • Holding Force (lbs) 20.5

    0.472 in x 1.969 in x 0.394 in

    View Product Specs
    L1.969
    W.394
    T.472
    • SKU NB042-AM
    • Size (H x L x W) 0.472 in x 1.969 in x 0.394 in
    • Length 1.969 in
    • Width 0.394 in
    • Thickness 0.472 in
    • Holding Force (lbs) 8.7

    0.197 in x 1.181 in x 1.181 in

    View Product Specs
    L1.181
    W1.181
    T.197
    • SKU NB043-AM
    • Size (H x L x W) 0.197 in x 1.181 in x 1.181 in
    • Length 1.181 in
    • Width 1.181 in
    • Thickness 0.197 in
    • Holding Force (lbs) 4.8

    1 in x 1.969 in x 1.969 in

    View Product Specs
    L1.969
    W1.969
    T1.000
    • SKU NB081-GM
    • Size (H x L x W) 1 in x 1.969 in x 1.969 in
    • Length 1.969 in
    • Width 1.969 in
    • Thickness 1 in
    • Holding Force (lbs) 40

    0.197 in x 0.394 in x 0.197 in

    View Product Specs
    L.394
    W.197
    T.197
    • SKU NB022-BM
    • Size (H x L x W) 0.197 in x 0.394 in x 0.197 in
    • Length 0.394 in
    • Width 0.197 in
    • Thickness 0.197 in
    • Holding Force (lbs) 1.1

    0.079 in x 1.181 in x 1.181 in

    View Product Specs
    L1.181
    W1.181
    T.079
    • SKU NB043-IM
    • Size (H x L x W) 0.079 in x 1.181 in x 1.181 in
    • Length 1.181 in
    • Width 1.181 in
    • Thickness 0.079 in
    • Holding Force (lbs) 2

    0.268 in x 0.807 in x 0.303 in

    View Product Specs
    L.807
    W.303
    T.268
    • SKU NB053-BM
    • Size (H x L x W) 0.268 in x 0.807 in x 0.303 in
    • Length 0.807 in
    • Width 0.303 in
    • Thickness 0.268 in
    • Holding Force (lbs) 2.8

    0.25 in x 1.969 in x 1.969 in

    View Product Specs
    L1.969
    W1.969
    T.250
    • SKU NB081-KM
    • Size (H x L x W) 0.25 in x 1.969 in x 1.969 in
    • Length 1.969 in
    • Width 1.969 in
    • Thickness 0.25 in
    • Holding Force (lbs) 10.2

    0.394 in x 1.969 in x 0.394 in

    View Product Specs
    L1.969
    W.394
    T.394
    • SKU NB042-BM
    • Size (H x L x W) 0.394 in x 1.969 in x 0.394 in
    • Length 1.969 in
    • Width 0.394 in
    • Thickness 0.394 in
    • Holding Force (lbs) 7.2

    0.394 in x 1.181 in x 1.181 in

    View Product Specs
    L1.181
    W1.181
    T.394
    • SKU NB043-BM
    • Size (H x L x W) 0.394 in x 1.181 in x 1.181 in
    • Length 1.181 in
    • Width 1.181 in
    • Thickness 0.394 in
    • Holding Force (lbs) 9.7

  • Neodymium Block Magnets, N35, Plated

    $0.96 – $65.60
    Size (H x L x W) 10 options

    0.5 in x 2 in x 1 in

    View Product Specs
    L2.000
    W1.000
    T.500
    • SKU NEB35P20010050
    • Size (H x L x W) 0.5 in x 2 in x 1 in
    • Length 2 in
    • Width 1 in
    • Thickness 0.5 in
    • Holding Force (lbs) 80

    0.41 in x 1 in x 0.48 in

    View Product Specs
    L1.000
    W.480
    T.410
    • SKU NEB35P1004841
    • Size (H x L x W) 0.41 in x 1 in x 0.48 in
    • Length 1 in
    • Width 0.48 in
    • Thickness 0.41 in
    • Holding Force (lbs) 15

    0.25 in x 0.75 in x 0.5 in

    View Product Specs
    L.750
    W.500
    T.250
    • SKU NEB35P755025
    • Size (H x L x W) 0.25 in x 0.75 in x 0.5 in
    • Length 0.75 in
    • Width 0.5 in
    • Thickness 0.25 in
    • Holding Force (lbs) 15

    0.5 in x 0.75 in x 0.25 in

    View Product Specs
    L.750
    W.250
    T.500
    • SKU NEB35P752550
    • Size (H x L x W) 0.5 in x 0.75 in x 0.25 in
    • Length 0.75 in
    • Width 0.25 in
    • Thickness 0.5 in
    • Holding Force (lbs) 7

    0.1 in x 0.25 in x 0.25 in

    View Product Specs
    L.250
    W.250
    T.100
    • SKU NEB35P252510
    • Size (H x L x W) 0.1 in x 0.25 in x 0.25 in
    • Length 0.25 in
    • Width 0.25 in
    • Thickness 0.1 in
    • Holding Force (lbs) 1.4

    0.5 in x 2 in x 2 in

    View Product Specs
    L2.000
    W2.000
    T.500
    • SKU NEB35P20020050
    • Size (H x L x W) 0.5 in x 2 in x 2 in
    • Length 2 in
    • Width 2 in
    • Thickness 0.5 in
    • Holding Force (lbs) 96.9

    0.5 in x 0.5 in x 0.5 in

    View Product Specs
    L.500
    W.500
    T.500
    • SKU NEB35P505050
    • Size (H x L x W) 0.5 in x 0.5 in x 0.5 in
    • Length 0.5 in
    • Width 0.5 in
    • Thickness 0.5 in
    • Holding Force (lbs) 10

    0.34 in x 0.75 in x 0.25 in

    View Product Specs
    L.750
    W.250
    T.340
    • SKU NEB35P752534
    • Size (H x L x W) 0.34 in x 0.75 in x 0.25 in
    • Length 0.75 in
    • Width 0.25 in
    • Thickness 0.34 in
    • Holding Force (lbs) 7

    0.5 in x 1 in x 1 in

    View Product Specs
    L1.000
    W1.000
    T.500
    • SKU NEB35P10010050
    • Size (H x L x W) 0.5 in x 1 in x 1 in
    • Length 1 in
    • Width 1 in
    • Thickness 0.5 in
    • Holding Force (lbs) 40

    0.1 in x 0.4 in x 0.2 in

    View Product Specs
    L.400
    W.200
    T.100
    • SKU NEB35P402010
    • Size (H x L x W) 0.1 in x 0.4 in x 0.2 in
    • Length 0.4 in
    • Width 0.2 in
    • Thickness 0.1 in
    • Holding Force (lbs) 1.8

  • Neodymium Block Magnets, N38, Plated

    $0.59 – $28.84
    Size (H x L x W) 6 options

    1 in x 1.97 in x 0.47 in

    View Product Specs
    L1.970
    W0.470
    T1.000
    • SKU EP181
    • Size (H x L x W) 1 in x 1.97 in x 0.47 in
    • Length 1.97 in
    • Width 0.47 in
    • Thickness 1 in
    • Holding Force (lbs) 64.76

    0.125 in x 0.75 in x 0.25 in

    View Product Specs
    L0.750
    W0.250
    T0.125
    • SKU NEB38P752512
    • Size (H x L x W) 0.125 in x 0.75 in x 0.25 in
    • Length 0.75 in
    • Width 0.25 in
    • Thickness 0.125 in
    • Holding Force (lbs) 5

    0.25 in x 1 in x 0.25 in

    View Product Specs
    L1.000
    W0.250
    T0.250
    • SKU NEB38P1002525
    • Size (H x L x W) 0.25 in x 1 in x 0.25 in
    • Length 1 in
    • Width 0.25 in
    • Thickness 0.25 in
    • Holding Force (lbs) 11

    0.25 in x 1 in x 0.5 in

    View Product Specs
    L1.000
    W0.500
    T0.250
    • SKU NEB38P1005025
    • Size (H x L x W) 0.25 in x 1 in x 0.5 in
    • Length 1 in
    • Width 0.5 in
    • Thickness 0.25 in
    • Holding Force (lbs) 16.2

    0.375 in x 0.5 in x 0.5 in

    View Product Specs
    L0.500
    W0.500
    T0.375
    • SKU NEB38P505037
    • Size (H x L x W) 0.375 in x 0.5 in x 0.5 in
    • Length 0.5 in
    • Width 0.5 in
    • Thickness 0.375 in
    • Holding Force (lbs) 14

    0.125 in x 0.5 in x 0.25 in

    View Product Specs
    L0.500
    W0.250
    T0.125
    • SKU NEB38P502512
    • Size (H x L x W) 0.125 in x 0.5 in x 0.25 in
    • Length 0.5 in
    • Width 0.25 in
    • Thickness 0.125 in
    • Holding Force (lbs) 4

  • Neodymium Block Magnets, N42, Countersunk

    $1.12

    Neodymium Block Magnets, N42, Countersunk 4738

    • SKU EP328A
    • Size (H x L x W) 0.197 in x 0.394 in x 0.394 in
    • Countersunk Hole 4mm N pole

    Neodymium Block Magnets, N42, Countersunk 4737

    • SKU EP328B
    • Size (H x L x W) 0.197 in x 0.394 in x 0.394 in
    • Countersunk Hole 4mm S pole

  • Neodymium Block Magnets, N42, Plated

    $0.41 – $38.57
    Size (H x L x W) 15 options

    0.500 in x 2 in x 2 in

    View Product Specs
    L2
    W2
    T0.500
    • SKU NEB42P20020050
    • Size (H x L x W) 0.500 in x 2 in x 2 in
    • Length 2 in
    • Width 2 in
    • Thickness 0.500 in
    • Holding Force (lbs) 116.3

    0.197 in x 0.984 in x 0.197 in

    View Product Specs
    L0.984
    W0.197
    T0.197
    • SKU EP319
    • Size (H x L x W) 0.197 in x 0.984 in x 0.197 in
    • Length 0.984 in
    • Width 0.197 in
    • Thickness 0.197 in
    • Holding Force (lbs) 9.31

    0.118 in x 0.118 in x 0.118 in

    View Product Specs
    L0.118
    W0.118
    T0.118
    • SKU EP316
    • Size (H x L x W) 0.118 in x 0.118 in x 0.118 in
    • Length 0.118 in
    • Width 0.118 in
    • Thickness 0.118 in
    • Holding Force (lbs) 0.75

    0.197 in x 0.197 in x 0.197 in

    View Product Specs
    L0.197
    W0.197
    T0.197
    • SKU EP381
    • Size (H x L x W) 0.197 in x 0.197 in x 0.197 in
    • Length 0.197 in
    • Width 0.197 in
    • Thickness 0.197 in
    • Holding Force (lbs) 2.52

    0.197 in x 0.393 in x 0.393 in

    View Product Specs
    L0.393
    W0.393
    T0.197
    • SKU EP200
    • Size (H x L x W) 0.197 in x 0.393 in x 0.393 in
    • Length 0.393 in
    • Width 0.393 in
    • Thickness 0.197 in
    • Holding Force (lbs) 7.87

    0.079 in x 0.197 in x 0.197 in

    View Product Specs
    L0.197
    W0.197
    T0.079
    • SKU EP317
    • Size (H x L x W) 0.079 in x 0.197 in x 0.197 in
    • Length 0.197 in
    • Width 0.197 in
    • Thickness 0.079 in
    • Holding Force (lbs) 1.22

    0.197 in x 1.967 in x 1.967 in

    View Product Specs
    L1.967
    W1.967
    T0.197
    • SKU EP320
    • Size (H x L x W) 0.197 in x 1.967 in x 1.967 in
    • Length 1.967 in
    • Width 1.967 in
    • Thickness 0.197 in
    • Holding Force (lbs) 40.95

    0.197 in x 0.984 in x 0.393 in

    View Product Specs
    L0.984
    W0.393
    T0.197
    • SKU EP299
    • Size (H x L x W) 0.197 in x 0.984 in x 0.393 in
    • Length 0.984 in
    • Width 0.393 in
    • Thickness 0.197 in
    • Holding Force (lbs) 14.9

    0.394 in x 1.967 in x 0.984 in

    View Product Specs
    L1.967
    W0.984
    T0.394
    • SKU EP648
    • Size (H x L x W) 0.394 in x 1.967 in x 0.984 in
    • Length 1.967 in
    • Width 0.984 in
    • Thickness 0.394 in
    • Holding Force (lbs) 63.1

    0.079 in x 1.967 in x 0.984 in

    View Product Specs
    L1.967
    W0.984
    T0.079
    • SKU EP337
    • Size (H x L x W) 0.079 in x 1.967 in x 0.984 in
    • Length 1.967 in
    • Width 0.984 in
    • Thickness 0.079 in
    • Holding Force (lbs) 10.14

    0.394 in x 1.575 in x 0.787 in

    View Product Specs
    L1.575
    W0.787
    T0.394
    • SKU EP352
    • Size (H x L x W) 0.394 in x 1.575 in x 0.787 in
    • Length 1.575 in
    • Width 0.787 in
    • Thickness 0.394 in
    • Holding Force (lbs) 50.53

    0.079 in x 0.393 in x 0.197 in

    View Product Specs
    L0.393
    W0.197
    T0.079
    • SKU EP318
    • Size (H x L x W) 0.079 in x 0.393 in x 0.197 in
    • Length 0.393 in
    • Width 0.197 in
    • Thickness 0.079 in
    • Holding Force (lbs) 1.95

    0.197 in x 0.787 in x 0.393 in

    View Product Specs
    L0.787
    W0.393
    T0.197
    • SKU EP293
    • Size (H x L x W) 0.197 in x 0.787 in x 0.393 in
    • Length 0.787 in
    • Width 0.393 in
    • Thickness 0.197 in
    • Holding Force (lbs) 13.2

    0.118 in x 0.984 in x 0.394 in

    View Product Specs
    L0.984
    W0.394
    T0.118
    • SKU EP647
    • Size (H x L x W) 0.118 in x 0.984 in x 0.394 in
    • Length 0.984 in
    • Width 0.394 in
    • Thickness 0.118 in
    • Holding Force (lbs) 8.57

    0.315 in x 0.591 in x 0.591 in

    View Product Specs
    L0.591
    W0.591
    T0.315
    • SKU EP383
    • Size (H x L x W) 0.315 in x 0.591 in x 0.591 in
    • Length 0.591 in
    • Width 0.591 in
    • Thickness 0.315 in
    • Holding Force (lbs) 18.82

  • Neodymium Block Magnets, N45, Plated

    $0.53 – $4.35
    Size (H x L x W) 3 options

    0.059 in x 0.787 in x 0.236 in

    View Product Specs
    L0.787
    W0.236
    T0.059
    • SKU EP330
    • Size (H x L x W) 0.059 in x 0.787 in x 0.236 in
    • Length 0.787 in
    • Width 0.236 in
    • Thickness 0.059 in
    • Holding Force (lbs) 2.79

    0.039 in x 0.591 in x 0.197 in

    View Product Specs
    L0.591
    W0.197
    T0.039
    • SKU EP331
    • Size (H x L x W) 0.039 in x 0.591 in x 0.197 in
    • Length 0.591 in
    • Width 0.197 in
    • Thickness 0.039 in
    • Holding Force (lbs) 1.22

    0.394 in x 1.653 in x 0.315 in

    View Product Specs
    L1.653
    W0.315
    T0.394
    • SKU EP329
    • Size (H x L x W) 0.394 in x 1.653 in x 0.315 in
    • Length 1.653 in
    • Width 0.315 in
    • Thickness 0.394 in
    • Holding Force (lbs) 28.66

FAQs

Neodymium magnets are a member of the rare earth magnet family, and are the most permanent magnets in the world. They’re composed of Neodymium (Nd), Iron (Fe) and Boron (B), which makes them vulnerable to rust if they’re exposed to the elements. To protect the magnet from corrosion and to strengthen the brittle magnet material, the magnet is usually coated with nickel.

If left exposed to the elements, the iron in the magnet will rust. To protect the magnet from corrosion and to strengthen the brittle magnet material, we recommend coating the magnet in nickel plating. Other coating options are zinc, tin, copper, epoxy, silver and gold.

Neodymium magnets must be handled with care to avoid injury and damage to you and the magnet. Keep the following things in mind when handling neodymium magnets:

  • Fingers and hands can get severely pinched between two attracting magnets. It is important that they be kept out of the reach of small children.
  • Neodymium magnets are brittle and can peel, crack or shatter if allowed to slam together.
  • Eye protection should be worn.
  • Neodymium magnets can also damage items such as credit cards, magnetic identification cards, or video tapes.
  • Never place neodymium magnets near electronic devices. It is crucial to never allow them near a person with a pacemaker or similar medical aid.
  • Neodymium magnets should not be machined. The material is brittle and prone to chipping and cracking, so it does not machine well by conventional methods. Machining the magnets will generate heat, which if not carefully controlled, can demagnetize the magnet or even ignite the material which is toxic when burned.

Neodymium magnets have a variety of uses, which makes perfect sense considering they’re extremely strong, and affordable. Here are just a few of the ways you’ll see neodymium magnets applied to everyday life:

  • Electronics — Cell phones, loudspeakers, headphones, and more everyday electronics use neodymium magnets.
  • Industrial applications — Alternators, flow meters, linear actuators, gyroscopes.
  • Clamps — A couple neodymium blocks or cubes are perfect for holding pieces of metal in place. This is most common when used for welding, drilling, or machining purposes.
  • Green Energy — Both hybrid and electric vehicles employ neodymium magnets, as do wind turbines.
  • Healthcare — Pacemakers and magnetic resonance imaging (MRI) machines use neodymium magnets.
  • Oil Filters — Ever wonder how metal chips are filtered out of oil? Neodymium magnets!
  • Stud Finders — These magnets are powerful enough to find hidden nails and other metal pieces inside walls.
  • Magnetic Therapy — For those who use magnetic therapy as a healing tool, neodymium magnets fit the bill perfectly. There are different sized blocks to choose from depending on the size of the body being worked on.
  • Closers — Need to hold a brochure, box, binder, or other presentation piece shut? Neodymium magnets are perfect for the job.
  • Toys — You’ve probably played with magnets at some point in your life. They were probably neodymium magnets! They’re used quite often as entertainment.
  • Remagnetization — Neodymium magnets can be used to put the magnetization back in other types of magnets, such as Alnico horseshoes and other bar magnets.
  • Metal Detectors — Did you know neodymium magnets are used in metal detectors?

Like other rare earth magnets, neodymium magnets have a high resistance to demagnetization. They will not lose their magnetization around other magnets, or if dropped. However, neodymium magnets will completely lose their magnetization if heated above their Curie temperature, which is 590°F (310°C) for standard N grades. BuyMagnets.com offers a selection of neodymium disc magnets that are of high-temperature material, which can withstand higher temperatures without losing strength.

Neodymium magnets are available for standard temperature and high-temperature applications. Standard temperature neodymium magnets will begin to lose strength if they are heated above their maximum operating temperature, which is 180°F (80°C). High-temperature neodymium magnets can safely be used at operating temperatures up to 300° Fahrenheit (149° Celsius).

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