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Joe Magneato®

 

K&J Magnetics, Inc.

  Neodymium Magnet Surface Field Measurements

  Neodymium Magnet Physical Properties - The Physical and Magnetic Properties of Neodymium Magnets

  Pull Force Table - The pull force of each of our stock magnets listed in table format

  Discs
Part Number Dimensions (diameter x thickness) NdFeB Grade Surface Field (Gauss)*
D101 1/16" x 1/32" N50 1800
D201 1/8" x 1/32" N42 1980
D21 1/8" x 1/16" N42 2980
D21B 1/8" x 1/16" N50 3050
D301 3/16" x 1/32" N42 1650
D31 3/16" x 1/16" N42 2775
D31-N50 3/16" x 1/16" N50 2940
D32 3/16" x 1/8" N42 3645
D32-N50 3/16" x 1/8" N50 3920
D401 1/4" x 1/32" N42 1510
D41 1/4" x 1/16" N42 2580
D41G 1/4" x 1/16" N50 2590
D41SH 1/4" x 1/16" N38SH 2545
D41-N50 1/4" x 1/16" N50 2725
D403 1/4" x 3/32" N42 3270
D4H1 1/4" x 1/10" N42 3360
D42 1/4" x 1/8" N42 3805
D42-N50 1/4" x 1/8" N50 4060
D42B 1/4" x 1/8" N50 3875
D42DIA 1/4" x 1/8" N42 4200
D42E 1/4" x 1/8" N42 3750
D43 1/4" x 3/16" N42 4325
D501 5/16" x 1/32" N42 1405
D51 5/16" x 1/16" N42 2380
D52 5/16" x 1/8" N42 3520
D54 5/16" x 1/4" N42 4520
D601 3/8" x 1/32" N42 1375
D61 3/8" x 1/16" N42 2135
D61G 3/8" x 1/16" N42 2110
D61-N50 3/8" x 1/16" N50 2265
D603 3/8" x 3/32" N42 2885
D6H1 3/8" x 1/10" N42 3035
D62 3/8" x 1/8" N42 3240
D62-N52 3/8" x 1/8" N52 3500
D63 3/8" x 3/16" N42 4000
D64 3/8" x 1/4" N42 4470
D701 7/16" x 1/32" N42 1215
D71 7/16" x 1/16" N42 2105
D72 7/16" x 1/8" N42 2855
D74 7/16" x 1/4" N42 4315
D801 1/2" x 1/32" N42 1175
D81 1/2" x 1/16" N42 2100
D81-N52 1/2" x 1/16" N52 2250
D803 1/2" x 3/32" N42 2620
D8H1 1/2" x 1/10" N42 2815
D82 1/2" x 1/8" N42 3095
D82B 1/2" x 1/8" N50 3280
D82DIA 1/2" x 1/8" N38 4980
D82E 1/2" x 1/8" N42 3190
D82SH 1/2" x 1/8" N38SH 3040
D83 1/2" x 3/16" N42 3855
D84 1/2" x 1/4" N42 4235
D84B 1/2" x 1/4" N52 4480
D84PC (All Colors) 1/2" x 1/4" N42 3435
D86 1/2" x 3/8" N42 4960
D901 9/16" x 1/32" N42 1130
D91 9/16" x 1/16" N42 1920
D92 9/16" x 1/8" N42 3140
D93 9/16" x 3/16" N42 3830
D94 9/16" x 1/4" N42 4230
DA01 5/8" x 1/32" N42 1110
DA1 5/8" x 1/16" N42 1895
DA03 5/8" x 3/32" N42 2470
DAH1 5/8" x 1/10" N42 2610
DA2 5/8" x 1/8" N42 3040
DA4 5/8" x 1/4" N42 4230
DA8 5/8" x 1/2" N42 5340
DC01 3/4" x 1/32" N42 1080
DC1 3/4" x 1/16" N42 1885
DC03 3/4" x 3/32" N42 2560
DCH1 3/4" x 1/10" N42 2720
DC2 3/4" x 1/8" N42 3240
DC2E 3/4" x 1/8" N42 2890
DC2-N52 3/4" x 1/8" N52 3375
DC4 3/4" x 1/4" N42 4230
DC4SH 3/4" x 1/4" N38SH 3885
DC6 3/4" x 3/8" N42 4575
DC6B 3/4" x 3/8" N50 5110
DC6BR 3/4" x 3/8" N42 3830
DC6PC (All Colors) 3/4" x 3/8" N42 3830
DC8 3/4" x 1/2" N42 5840
DE1 7/8" x 1/16" N42 1850
DE03 7/8" x 3/32" N42 2370
DEH1 7/8" x 1/10" N42 2510
DE2 7/8" x 1/8" N42 2885
DE4 7/8" x 1/4" N42 4350
DX001 1" x 1/32 N42 1275
DX01 1" x 1/16 N42 1795
DX003 1" x 3/32" N42 2310
DX0H1 1" x 1/10" N42 2490
DX02 1" x 1/8" N42 2820
DX02-N50 1" x 1/8" N50 3095
DX03 1" x 3/16" N42 3340
DX04 1" x 1/4" N42 4520
DX04B 1" x 1/4" N52 4860
DX06 1" x 3/8" N42 5155
DX06G 1" x 3/8" N48 5500
DX08 1" x 1/2" N42 5835
DX08B 1" X 1/2" N50 6450
DX08BR 1" x 1/2" N42 4225
DX0C 1" X 3/4" N42 6250
DX42 1 1/4" x 1/8" N42 2825
DX44 1 1/4" x 1/4" N42 4605
DX82 1 1/2" x 1/8" N42 2830
DX84 1 1/2" x 1/4" N42 4325
DX88 1 1/2" x 1/2" N42 4997
DX8C 1 1/2" x 3/4" N42 6645
DX8C-N52 1 1/2" x 3/4" N52 6985
DY02 2" x 1/8" N42 2715
DY04 2" x 1/4" N42 4240
DY08 2" x 1/2" N42 5660
DY0X0 2" x 1" N42 7100
DY0X0-N52 2" x 1" N52 7435
DY82 2 1/2" x 1/8" N42 2880
DZ02 3" x 1/8" N42 3075
DZ04 3" x 1/4" N42 4190
DZ0X0 3" x 1" N42 7050
DZ0Y0 3" x 2" N42 7185
 
  Cylinders / Rods
Part Number Dimensions (diameter x length) Grade Surface Field (Gauss)*
D11 1/16" x 1/16" N48 2170
D12 1/16" x 1/8" N42 2205
D14 1/16" x 1/4" N45 2290
D16 1/16" x 3/8" N42 2335
D18 1/16" x 1/2" N42 2385
D1C 1/16" x 3/4" N42 2405
D1X0 1/16" x 1" N42 2515
D22 1/8" x 1/8" N42 3540
D22-N50 1/8" x 1/8" N50 3775
D23 1/8" x 3/16" N42 3680
D24 1/8" x 1/4" N42 3895
D24-N50 1/8" x 1/4" N50 4175
D24DIA 1/8" x 1/4" N42 3840
D26 1/8" x 3/8" N42 4070
D28 1/8" x 1/2" N42 4140
D2A 1/8" x 5/8" N42 3955
D2C 1/8" x 3/4" N42 4150
D2X0 1/8" x 1" N42 3815
D2X8 1/8" x 1 1/2" N42 4190
D2Y0 1/8" x 2" N42 4225
D33 3/16" x 3/16" N42 3970
D34 3/16" x 1/4" N42 4840
D36 3/16" x 3/8" N42 4910
D36DIA 3/16" x 3/8" N42 4390
D38 3/16" x 1/2" N42 4955
D3C 3/16" x 3/4" N42 4970
D3X0 3/16" x 1" N42 4615
D3X8 3/16" x 1 1/2" N42 4685
D3Y0 3/16" x 2" N42 4710
D44 1/4" x 1/4" N42 4675
D46 1/4" x 3/8" N42 5025
D48 1/4" x 1/2" N42 5070
D48DIA 1/4" x 1/2" N42 5100
D4C 1/4" x 3/4" N42 5130
D4X0 1/4" x 1" N42 5160
D4X8 1/4" x 1 1/2" N42 5165
D4Y0 1/4" x 2" N42 5170
D4Y8 1/4" x 2 1/2" N42 5175
D4Z0 1/4" x 3" N42 5180
D55 5/16" x 5/16" N42 4925
D66 3/8" x 3/8" N42 4985
D66SH 3/8" x 3/8" N38SH 4770
D68 3/8" x 1/2" N42 5240
D6C 3/8" x 3/4" N42 5460
D6X0 3/8" x 1" N42 5620
D6X8 3/8" x 1 1/2" N42 5640
D6Y0 3/8" x 2" N42 5650
D88 1/2" x 1/2" N42 5330
D88-N50 1/2" x 1/2" N50 5715
D8C 1/2" x 3/4" N42 5530
D8X0 1/2" x 1" N42 5720
D8X0BR 1/2" x 1" N42 4950
D8X0DIA 1/2" x 1" N42 5580
D8X8 1/2" x 1 1/2" N42 5810
D8Y0 1/2" x 2" N42 5890
DAA 5/8" x 5/8" N42 5360
DCC 3/4" x 3/4" N42 5910
DCCDIA 3/4" x 3/4" N42 6360
DCX0 3/4" x 1" N42 6070
DEE 7/8" x 7/8" N42 5660
DEX0 7/8" x 1" N42 5860
DX0X0 1" x 1" N42 6690
DX0X0DIA 1" x 1" N42 6470
DX0Y0 1" x 2" N42 6775
DX8X8 1 1/2" x 1 1/2" N42 6820
DY0Y0 2" x 2" N42 7350
DY0Y0-N50 2" x 2" N50 7880

  Blocks
Part Number Dimensions (length x width x thickness) Grade Surface Field (Gauss)*
B111 1/16" x 1/16" x 1/16" N42 2220
B221 1/8" x 1/8" x 1/16" N42 2920
B222 1/8" x 1/8" x 1/8" N42 3680
B222G-N50 1/8" x 1/8" x 1/8" N50 4015
B3301 3/16" x 3/16" x 1/32" N42 2360
B331 3/16" x 3/16" x 1/16" N45 2750
B333 3/16" x 3/16" x 3/16" N42 4380
B4201 1/4" x 1/8" x 1/32" N42 1670
B421 1/4" x 1/8" x 1/16" N42 2505
B4401 1/4" x 1/4" x 1/32" N42 1430
B441 1/4" x 1/4" x 1/16" N42 2305
B442 1/4" x 1/4" x 1/8" N42 3700
B442-N50 1/4" x 1/4" x 1/8" N50 4215
B444 1/4" x 1/4" x 1/4" N42 4680
B444B 1/4" x 1/4" x 1/4" N42 4680
B444-N52 1/4" x 1/4" x 1/4" N52 5020
B448 1/4" x 1/4" x 1/2" N42 4930
B555 5/16" x 5/16" x 5/16" N42 4565
B6301 3/8" x 3/16" x 1/32" N42 1465
B631 3/8" x 3/16" x 1/16" N42 2530
B661 3/8" x 3/8" x 1/16" N42 2290
B662 3/8" x 3/8" x 1/8" N42 2255
B666 3/8" x 3/8" x 3/8" N42 4980
B666BR 3/8" x 3/8" x 3/8" N42 3930
B777 7/16" x 7/16" x 7/16" N42 5135
B821 1/2" x 1/8" x 1/16" N42 2750
B822 1/2" x 1/8" x 1/8" N42 2840
B824 1/2" x 1/8" x 1/4" N42 4350
B828 1/2" x 1/8" x 1/2" N42 4540
B82X0 1/2" x 1/8" x 1" N42 4820
B841 1/2" x 1/4" x 1/16" N42 2210
B842 1/2" x 1/4" x 1/8" N42 3490
B842-N50 1/2" x 1/4" x 1/8" N50 3650
B84Y0 1/2" x 1/4" x 2" N42 4770
B8801 1/2" x 1/2" x 1/32" N42 1300
B881 1/2" x 1/2" x 1/16" N42 2095
B882 1/2" x 1/2" x 1/8" N42 3070
B882G 1/2" x 1/2" x 1/8" N42 3070
B884 1/2" x 1/2" x 1/4" N42 4200
B888 1/2" x 1/2" x 1/2" N42 5155
B888-3 1/2" x 1/2" x 1/2" N42 4745
B888BR 1/2" x 1/2" x 1/2" N42 4270
B888PC (All Colors) 1/2" x 1/2" x 1/2" N42 4485
B88X0 1/2" x 1/2" x 1" N42 5755
B999 9/16" x 9/16" x 9/16" N42 5375
BAA2 5/8" x 5/8" x 1/8" N38 2785
BAAA 5/8" x 5/8" x 5/8" N42 5625
BC41 3/4" x 1/4" x 1/16" N42 2370
BC42 3/4" x 1/4" x 1/8" N42 3460
BC61 3/4" x 3/8" x 1/16" N42 2145
BC62 3/4" x 3/8" x 1/8" N42 3015
BC81 3/4" x 1/2" x 1/16" N42 2045
BC82 3/4" x 1/2" x 1/8" N42 3055
BC84 3/4" x 1/2" x 1/4" N42 4120
BCC1 3/4" x 3/4" x 1/16" N42 2150
BCC2 3/4" x 3/4" x 1/8" N42 3170
BCC4 3/4" x 3/4" x 1/4" N42 3995
BCC6 3/4" x 3/4" x 3/8" N42 4625
BCCC 3/4" x 3/4" x 3/4" N42 5940
BX021 1" x 1/8" x 1/16" N42 2620
BX041 1" x 1/4" x 1/16" N42 2535
BX041-N50 1" x 1/4" x 1/16" N50 2640
BX042 1" x 1/4" x 1/8" N42 3420
BX044 1" x 1/4" x 1/4" N42 4480
BX061 1" x 3/8" x 1/16" N42 2340
BX062 1" x 3/8" x 1/8" N42 3330
BX081 1" x 1/2" X 1/16" N42 2130
BX082 1" x 1/2" X 1/8" N42 3250
BX082-N50 1" x 1/2" X 1/8" N50 3390
BX084 1" x 1/2" X 1/4" N42 4225
BX084PC (All Colors) 1" x 1/2" X 1/4" N42 2855
BX08Y0 1" x 1/2" X 2" N42 5435
BX0X01 1" x 1" x 1/8" N42 1990
BX0X02 1" x 1" x 1/8" N42 2900
BX0X04 1" x 1" x 1/4" N42 4190
BX0X06 1" x 1" x 3/8" N42 4795
BX0X06BR 1" x 1" x 3/8" N42 3460
BX0X08 1" x 1" x 1/2" N42 5360
BX0X0X0 1" x 1" x 1" N42 6835
BX841 1 1/2" x 1/4" x 1/16" N42 2360
BX842 1 1/2" x 1/4" x 1/8" N42 3290
BX881 1 1/2" x 1/2" x 1/16" N42 2040
BX882 1 1/2" x 1/2" x 1/8" N42 3130
BX8C4 1 1/2" x 3/4" x 1/4" N42 4185
BX8X84 1 1/2" x 1 1/2" x 1/4" N42 3725
BX8X8C-N52 1 1/2" x 1 1/2" x 3/4" N52 4510
BX8X8X8 1 1/2" x 1 1/2" x 1 1/2" N42 4450
BY041 2" x 1/4" x 1/16" N42 2480
BY042 2" x 1/4" x 1/8" N42 3345
BY042SH 2" x 1/4" x 1/8" N42SH 3345
BY082 2" x 1/2" x 1/8" N42 3105
BY084 2" x 1/2" x 1/4" N42 4035
BY0X02 2" x 1" x 1/8" N42 3095
BY0X04 2" x 1" x 1/4" N42 4180
BY0X08 2" x 1" x 1/2" N42 5910
BY0X08-N52 2" x 1" x 1/2" N52 6325
BY0X08BR 2" x 1" x 1/2" N42 3900
BY0Y08 2" x 2" x 1/2" N42 5330
BY0Y0X0-N52 2" x 2" x 1" N52 5930
BY0Y0Y0 2" x 2" x 2" N42 5742
BZ082 3" x 1/2" x 1/8" N42 3130
BZ084 3" x 1/2" x 1/4" N42 3800
BZX082 4" x 1/2" x 1/8" N42 3080
BZX0Y08 4" x 2" x 1/2" N42 5120
BZZ082 6" x 1/2" x 1/8" N42 3120

  Spheres
Part Number Dimensions (diameter) Grade Surface Field (Gauss)*
S3 3/16" N38 4130
S4 1/4" N42 4850
S4B 1/4" N42 4850
S4G 1/4" N42 4850
S6 3/8" N38 5620
S6B 3/8" N38 5620
S8 1/2" N38 6500
SA 5/8" N38 6720
SC 3/4" N38 7080
SX0 1" N38 7450

  Rings
Part Number Dimensions (o.d. x i.d. x thickness) Grade Surface Field (Gauss)*
R211 1/8" x 1/16" x 1/16" N42 1515
R311 3/16" x 1/16" x 1/16" N42 2275
R313 3/16" x 1/16" x 3/16" N42 3405
R412 1/4" x 1/16" x 1/8" N38 3230
R414CL 1/4" x (1/10" - 1/21") x 1/4" N38 4085
R424 1/4" x 1/8" x 1/4" N42 3610
R621 3/8" x 1/8" x 1/16" N42 3180
R622 3/8" x 1/8" x 1/8" N42 3540
R636 3/8" x 3/16" x 3/8" N42 3725
R8201 1/2" x 1/8" x 1/32" N42 1115
R822 1/2" x 1/8" x 1/8" N42 3265
R822-N50 1/2" x 1/8" x 1/8" N50 3515
R822-CS 1/2" x (1/8" x 1/4") x 1/8" N42 3245
R834DIA 1/2" x 3/16" x 1/4" N42 5340
R842 1/2" x 1/4" x 1/8" N42 3320
R848 1/2" x 1/4" x 1/2" N42 4870
R84X0 1/2" x 1/4" x 1" N42 5020
RA22CS 5/8" x (1/8" x 1/4") x 1/8" N42 3010
RC22CS 3/4" x (1/8" x 1/4") x 1/8" N42 3200
RC44 3/4" x 1/4" x 1/4" N42 4320
RC48 3/4" x 1/4" x 1/2" N42 5320
RC4CDIA 3/4" x 1/4" x 3/4" N42 5955
RC86 3/4" x 1/2" x 3/8" N42 4675
RX032 1" x 3/16" x 1/8" N42 3115
RX04X0DIA 1" x 1/4" x 1" N42 6430
RX054 1" x 5/16" x 1/4" N42 4530
RX054E 1" x 5/16" x 1/4" N42 4300
RX054-N52 1" x 5/16" x 1/4" N42 4850
RX08X0 1" x 1/2" x 1" N42 5955
RX4C2 1 1/4" x 3/4" x 1/8" N42 3130
RX8CC 1 1/2" x 3/4" x 3/4" N42 5905
RY046 2" x 1/4" x 3/8" N42 5150
RY0X04 2" x 1" x 1/4" N42 4210
RZ0X84 3" x 1 1/2" x 1/4" N42 4345
RZ0Y0X0 3" x 2" x 1" N42 6040
 
  Surplus
Part Number Dimensions Grade Surface Field (Gauss)*
ZD1 6mm x 1.5mm N35 2410
ZD2 10mm x 2mm N35 2450
ZD3 12.6mm x 5mm N35 3400
ZB5 8mm x 6mm x 1.5mm N35 2110
ZD8 4mm x 8mm N35 3450

 * Note:  All Surface Field values are actual measured values.  Field values are obtained by testing five samples of each part and averaging the peak measured field values.

 


May
Specials

 

D31-N50 Disc Magnets
3/16" dia. x 1/16"
Small yet Mighty!



BX041-N50 Blocks
1" x 1/4" x 1/16"
Grade N50 Strong!



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