20mm X3mm Hole 5mm Ring Rare Earth Strong Countersunk Neodymium Magnets

Model NO.: 250416TC-X01 Shape: Ring Grade: N35 Transport Package: Cartons Origin: Ningbo, China Application: Industrial Magnet, Motor Magnet Coating: Nickel Trademark: TC Specification: D20X3Xd5 counter sunk hole magnets HS Code: 8505111000  Features:
Super strong Rare-Earth magnets - once they get stuck with each other, they are hard to break apart.
Can also be used to extend protected lithium batteries with recessed contact points.
Electrically conductive (making them suitable to extend recessed batteries).
Perfect for sticking notes on fridge doors.
Great for do-it-yourself projects.
Ages:7+ ages, both for kids and adults.
Specification:
Brand new and high quality.
Material: Neodymium Rare Earth Magnet.
Plating: Ni-Cu-Ni(Nickel).
Grade: N35.
Magnets Type: Neodymium.
Shape: Hole Disc Magnets.
Total Diameter: 20mm.
Hole Diameter: 5mm.
Thickness: 3mm.
Color: Silver.
Disc Magnet with counter sunk hole



Material Grade of Ndfeb Magnet:
Magnet N-( N35, N38, N40, N42, N45, N48, N50),
Magnet M-(35M, 38M, 40M, 42M, 45M, 48M),
Magnet H-(35H, 38H, 40H, 42H, 45H),
Magnet SH-(30SH, 33SH, 35SH, 38SH, 40SH, 42SH),
Magnet UH-( 28UH, 30UH, 33UH, 35UH, 38UH),
Magnet EH-(28EH, 30EH, 30EH, 33EH, 35EH)

1) Application of NdFEB Magnet: Toys, package, Printer, Switchboard, Phone, voice coil motors (VCM's) in hard disk drives, high performance motors, brushless DC motors, magnetic separation, magnetic resonance imaging, sensors, loudspeakers etc.

2) The coating of Ndfeb Magnets can be Zn, Ni, Ni-Cu-Ni, Epoxy, CR3+ZN, NI+AG, NI+AU.


3) Our factory can also manufacture various sizes of NdFeB magnet, according to the customer's specification.

Magnetic properties of Sintered NdFeB magnets:
Grade	Remanence	Coercive Force	Intrinsic Coercive Force	Max. energy product	Max.
					Operating
					Temperature
	Br	Hcb	Hcj	(BH )	Tw
				max
	mT	kA/m	kA/m	kJ/m3
	(kGs)	(kOe)	(kOe)	(MGOe)
N35	1170-1220	>= 868	>=955	263-287	80 C
	(11.7-12.2)	( >= 10.9)	( >= 12)	(33-36)
N38	1220-1250	>=899	>=955	287-310	80 C
	(12.2-12.5)	( >= 11.3)	( >= 12)	(36-39)
N40	1250-1280	>= 907	>=955	302-326	80 C
	(12.5-12.8)	( >= 11.4)	( >= 12)	(38-41)
N42	1280-1320	>= 915	>=955	318-342	80 C
	(12.8-13.2)	( >= 11.5)	( >= 12)	(40-43)
N45	1320-1380	>= 923	>=955	342-366	80 C
	(13.2-13.8)	( >= 11.6)	( >= 12)	(43-46)
N48	1380-1420	>= 923	>=955	366-390	80 C
	(13.8-14.2)	( >=11.6)	( >= 12)	(46-49)
N50	1400-1450	>= 796	>=955	382-406	80 C
	(14.0-14.5)	( >= 10.0)	( >= 12)	(48-51)
N52	1430-1480	>= 796	>=955	398-422	80 C
	(14.3-14.8)	( >= 10.0)	( >= 12)	(50-53)
33M	1130-1170	>= 836	>= 1114	247-263	100 C
	(11.3-11.7)	(>= 10.5)	( >= 14)	(31-33)
35M	1170-1220	>= 868	>= 1114	263-287	100 C
	(11.7-12.2)	( >= 10.9)	( >= 14)	(33-36)
38M	1220-1250	>= 899	>= 1114	287-310	100 C
	(12.2-12.5)	( >= 11.3)	( >= 14)	(36-39)
40M	1250-1280	>= 923	>= 1114	302-326	100 C
	(12.5-12.8)	( >= 11.6)	( >= 14)	(38-41)
42M	1280-1320	>= 955	>= 1114	318-342	100 C
	(12.8-13.2)	( >= 12.0)	( >= 14)	(40-43)
45M	1320-1380	>= 995	>= 1114	342-366	100 C
	(13.2-13.8)	( >= 12.5)	( >= 14)	(43-46)
48M	1360-1430	>= 1027	>= 1114	366-390	100 C
	(13.6-14.3)	( >= 12.9)	( >= 14)	(46-49)
50M	1400-1450	>= 1033	>= 1114	382-406	100 C
	(14.0-14.5)	( >= 13.0)	( >= 14)	(48-51)
35H	1170-1220	>= 868	>= 1353	263-287	120 C
	(11.7-12.2)	( >= 10.9)	( >= 17)	(33-36)
38H	1220-1250	>= 899	>= 1353	287-310	120 C
	(12.2-12.5)	( >= 11.3)	( >= 17)	(36-39)
40H	1250-1280	>= 923	>= 1353	302-326	120 C
	(12.5-12.8)	( >= 11.6)	( >= 17)	(38-41)
42H	1280-1320	>= 955	>= 1353	318-342	120 C
	(12.8-13.2)	( >= 12.0)	( >= 17)	(40-43)
45H	1320-1360	>= 963	>= 1353	326-358	120 C
	(13.2-13.6)	( >= 12.1)	( >= 17)	(43-46)
48H	1370-1430	>= 995	>= 1353	366-390	120 C
	(13.7-14.3)	( >= 12.5)	( >= 17)	(46-49)
35SH	1170-1220	>= 876	>= 1592	263-287	150 C
	(11.7-12.2)	( >= 11.0)	( >= 20)	(33-36)
38SH	1220-1250	>= 907	>= 1592	287-310	150 C
	(12.2-12.5)	( >= 11.4)	( >= 20)	(36-39)
40SH	1240-1280	>= 939	>= 1592	302-326	150 C
	(12.5-12.8)	( >= 11.8)	( >= 20)	(38-41)
42SH	1280-1320	>= 987	>= 1592	318-342	150 C
	(12.8-13.2)	( >= 12.4)	( >= 20)	(40-43)
45SH	1320-1380	>= 1003	>= 1592	342-366	150 C
	(13.2-13.8)	( >= 12.6)	( >= 20)	(43-46)
28UH	1020-1080	>= 764	>= 1990	207-231	180 C
	(10.2-10.8)	( >= 9.6)	( >= 25)	(26-29)
30UH	1080-1130	>= 812	>= 1990	223-247	180 C
	(10.8-11.3)	( >= 10.2)	( >= 25)	(28-31)
33UH	1130-1170	>= 852	>= 1990	247-271	180 C
	(11.3-11.7)	( >= 10.7)	( >= 25)	(31-34)
35UH	1180-1220	>= 860	>= 1990	263-287	180 C
	(11.8-12.2)	( >= 10.8)	( >= 25)	(33-36)
38UH	1220-1250	>= 876	>= 1990	287-310	180 C
	(12.2-12.5)	( >= 11.0)	( >= 25)	(36-39)
40UH	1240-1280	>= 899	>= 1990	302-326	180 C
	(12.5-12.8)	( >=11.3)	( >= 25)	(38-41)
28EH	1040-1090	>= 780	>= 2388	207-231	200 C
	(10.4-10.9)	( >= 9.8)	( >= 30)	(26-29)
30EH	1080-1130	>= 812	>= 2388	223-247	200 C
	(10.8-11.3)	( >= 10.2)	( >= 30)	(28-31)
33EH	1130-1170	>= 876	>= 2388	247-271	200 C
	(11.3-11.7)	( >= 10.5)	( >= 30)	(31-34)
35EH	1170-1220	>= 876	>= 2388	263-287	200 C
	(11.7-12.2)	( >= 11.0)	( >= 30)	(33-36)
38EH	1220-1250	>= 899	>= 2388	287-310	200 C
	(12.2-12.5)	( >= 11.3)	( >= 30)	(36-39)
28AH	1040-1090	>=787	>= 2624	207-231	230 C
	(10.4-10.9)	( >= 9.9)	( >= 33)	(26-29)
30AH	(26-29)	>=819	>= 2624	223-247	230 C
	(10.8-11.3)	( >= 10.3)	( >= 33)	(28-31)
33AH	1130-1170	>= 843	>= 2624	247-271	230 C
	(11.3-11.7)	(>= 10.6)	( >= 33)	(31-34)

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Product Categories : Neodymium Magnets