Countersunk Ring Magnets With mounting hole magnet Rare Earth Neodymium Magnets-NdFeB Magnets | Permanent Magnet | Pot magnets | Magnetic hook | Magnetic box

Product Description

Model Number: N35-N52 Type: Permanent Composite: Neodymium Magnet

Application: Industrial Magnet Shape: Countersunk Product Name: Mounting magnet

Coating: Zinc/NiCuNi/Epoxy/Gold Material: NeFeB Magnet Certification: ISO9001/SGS/Rohs

Size: Customized Magnet Size Color: Bright Silver Grade: N35-N52- NSH/customized

Tolerance: 0.05mm ~ 0.1mm Name: Countersunk Ring Magnets

Magnetism direction: Thickness/Axial/Axially Magnetized/Radial

1.MAX.Working Temperature is only for reference,depending on the circuit which the magnet is applications.
2.When L/D ratio of testing piece is eaqual to 0.7,the open flux irreversible loss at Max.Working Temperature less/eaqual 5% is guaranteed.(Lmeans magnetization direction length,D means diameter of magnetic pole surface.)
3.Users are recommended to consult us on any application involving temperature near to 150℃.

Grade	Remanence(Br)				Coercivity(Hcb)				Intrinsic Coercivity Force(Hcj)		Max.Energy Product(BH)m				Working Temp
	kGs		T		KOe		KA/m		KOe	KA/m	MGOe		KJ/m3		℃
	Nom.	min.	Nom.	min.	Nom.	min.	Nom.	min.	KOe	KA/m	Nom.	min.	Nom.	min.	℃
N35	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥12	≥955	35	33	279	263	≤80
N38	12.6	12.2	1.26	1.22	11.5	10.8	915	860	≥12	≥955	38	36	303	287	≤80
N40	12.9	12.6	1.29	1.26	11	10.5	876	836	≥12	≥955	40	38	318	303	≤80
N42	13.2	12.6	1.32	1.26	11	10.5	876	836	≥12	≥955	42	40	334	318	≤80
N45	13.7	13.3	1.37	1.33	11	10.5	876	836	≥12	≥955	45	43	358	342	≤80
N48	14.1	13.7	1.41	1.37	10.8	10.2	860	812	≥12	≥955	48	46	383	367	≤80
N50	14.5	14.1	1.45	1.41	10.8	10.2	860	812	≥12	≥955	50	48	398	383	≤80
N35M	12.1	11.7	1.21	1.17	11.6	11	924	876	≥14	≥1114	35	33	279	263	≤100
N38M	12.6	12.2	1.26	1.22	11.8	11.4	939	907	≥14	≥1114	38	36	303	287	≤100
N40M	12.9	12.6	1.29	1.26	12.2	11.8	971	939	≥14	≥1114	40	38	318	303	≤100
N42M	13.2	12.9	1.32	1.29	12.6	12.2	1003	971	≥14	≥1114	42	40	334	318	≤100
N45M	13.7	13.3	1.37	1.33	12.8	12.4	1019	987	≥14	≥1114	45	43	358	342	≤100
N48M	14.1	13.7	1.41	1.37	12.8	12.4	1019	987	≥14	≥1114	48	46	383	367	≤100
N33H	11.7	11.4	1.17	1.14	11	10.3	876	820	≥17	≥1353	33	31	263	247	≤120
N35H	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥17	≥1353	35	33	279	263	≤120
N38H	12.6	12.2	1.26	1.22	12	11.5	955	915	≥17	≥1353	38	36	303	287	≤120
N40H	12.9	12.6	1.29	1.26	12	11.5	955	915	≥17	≥1353	40	38	318	303	≤120
N42H	13.2	12.9	1.32	1.29	12.6	12.2	1003	971	≥17	≥1353	42	40	334	318	≤120
N45H	13.6	13.2	1.36	1.32	12.8	12.4	1019	987	≥17	≥1353	45	43	358	342	≤120
N48H	13.8	13.6	1.38	1.36	12.8	12.4	1019	987	≥17	≥1353	47	45	375	358	≤120
N30SH	11.2	10.8	1.12	1.08	10.5	9.8	836	780	≥20	≥1595	30	28	239	223	≤150
N33SH	11.7	11.4	1.17	1.14	11	10.3	876	820	≥20	≥1595	33	31	263	247	≤150
N35SH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥20	≥1595	35	33	279	263	≤150
N38SH	12.6	12.2	1.26	1.22	12.3	11.8	979	939	≥20	≥1595	38	36	303	287	≤150
N40SH	12.9	12.6	1.29	1.26	12.6	12	1003	955	≥20	≥1595	40	38	318	303	≤150
N42SH	13.2	12.8	1.32	1.28	12.6	12.2	1003	971	≥20	≥1595	42	40	334	318	≤150
N45SH	13.5	13.3	1.35	1.33	12.8	12.2	1019	981	≥20	≥1595	45	42	358	334	≤150
N28UH	10.8	10.4	1.08	1.04	10.2	9.8	812	780	≥25	≥1990	28	26	223	207	≤180
N30UH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥25	≥1990	30	28	239	223	≤180
N33UH	11.7	11.4	1.17	1.14	11	10.3	875	820	≥25	≥1990	33	31	263	247	≤180
N35UH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥25	≥1990	35	33	279	263	≤180
N38UH	12.4	12.1	1.24	1.21	12	11.4	955	908	≥25	≥1990	38	35	303	279	≤180
N40UH	12.7	12.4	1.27	1.24	12.2	11	971	924	≥25	≥1990	40	38	318	303	≤180
N42UH	13	12.8	1.3	1.28	12.4	12	987	955	≥25	≥1990	42	40	342	318	≤180
N28EH	10.8	10.4	1.08	1.04	10.4	9.8	811	780	≥30	≥2388	28	26	223	207	≤200
N30EH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥30	≥2388	30	28	239	223	≤200
N33EH	11.7	11.2	1.17	1.12	11	10.4	876	828	≥30	≥2388	33	30	263	239	≤200
N35EH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥30	≥2388	36	33	287	263	≤200
N38EH	12.4	12	1.24	1.2	12	11.6	955	924	≥30	≥2388	38	35	303	287	≤200
N28AH	10.8	10.4	1.08	1.04	10.4	10	828	796	≥33	≥2626	28	26	223	207	≤240
N30AH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥33	≥2626	30	28	239	223	≤240
N33AH	11.7	11.2	1.17	1.12	11	10.4	876	828	≥33	≥2626	33	31	263	247	≤240
N35AH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥33	≥2626	35	33	279	263	≤240

Product Show

NdFeB magnets catalogue download

Grade	Remanence(Br)				Coercivity(Hcb)				Intrinsic Coercivity Force(Hcj)		Max.Energy Product(BH)m				Working Temp
	kGs		T		KOe		KA/m		KOe	KA/m	MGOe		KJ/m3		℃
	Nom.	min.	Nom.	min.	Nom.	min.	Nom.	min.	KOe	KA/m	Nom.	min.	Nom.	min.	℃
N35	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥12	≥955	35	33	279	263	≤80
N38	12.6	12.2	1.26	1.22	11.5	10.8	915	860	≥12	≥955	38	36	303	287	≤80
N40	12.9	12.6	1.29	1.26	11	10.5	876	836	≥12	≥955	40	38	318	303	≤80
N42	13.2	12.6	1.32	1.26	11	10.5	876	836	≥12	≥955	42	40	334	318	≤80
N45	13.7	13.3	1.37	1.33	11	10.5	876	836	≥12	≥955	45	43	358	342	≤80
N48	14.1	13.7	1.41	1.37	10.8	10.2	860	812	≥12	≥955	48	46	383	367	≤80
N50	14.5	14.1	1.45	1.41	10.8	10.2	860	812	≥12	≥955	50	48	398	383	≤80
N35M	12.1	11.7	1.21	1.17	11.6	11	924	876	≥14	≥1114	35	33	279	263	≤100
N38M	12.6	12.2	1.26	1.22	11.8	11.4	939	907	≥14	≥1114	38	36	303	287	≤100
N40M	12.9	12.6	1.29	1.26	12.2	11.8	971	939	≥14	≥1114	40	38	318	303	≤100
N42M	13.2	12.9	1.32	1.29	12.6	12.2	1003	971	≥14	≥1114	42	40	334	318	≤100
N45M	13.7	13.3	1.37	1.33	12.8	12.4	1019	987	≥14	≥1114	45	43	358	342	≤100
N48M	14.1	13.7	1.41	1.37	12.8	12.4	1019	987	≥14	≥1114	48	46	383	367	≤100
N33H	11.7	11.4	1.17	1.14	11	10.3	876	820	≥17	≥1353	33	31	263	247	≤120
N35H	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥17	≥1353	35	33	279	263	≤120
N38H	12.6	12.2	1.26	1.22	12	11.5	955	915	≥17	≥1353	38	36	303	287	≤120
N40H	12.9	12.6	1.29	1.26	12	11.5	955	915	≥17	≥1353	40	38	318	303	≤120
N42H	13.2	12.9	1.32	1.29	12.6	12.2	1003	971	≥17	≥1353	42	40	334	318	≤120
N45H	13.6	13.2	1.36	1.32	12.8	12.4	1019	987	≥17	≥1353	45	43	358	342	≤120
N48H	13.8	13.6	1.38	1.36	12.8	12.4	1019	987	≥17	≥1353	47	45	375	358	≤120
N30SH	11.2	10.8	1.12	1.08	10.5	9.8	836	780	≥20	≥1595	30	28	239	223	≤150
N33SH	11.7	11.4	1.17	1.14	11	10.3	876	820	≥20	≥1595	33	31	263	247	≤150
N35SH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥20	≥1595	35	33	279	263	≤150
N38SH	12.6	12.2	1.26	1.22	12.3	11.8	979	939	≥20	≥1595	38	36	303	287	≤150
N40SH	12.9	12.6	1.29	1.26	12.6	12	1003	955	≥20	≥1595	40	38	318	303	≤150
N42SH	13.2	12.8	1.32	1.28	12.6	12.2	1003	971	≥20	≥1595	42	40	334	318	≤150
N45SH	13.5	13.3	1.35	1.33	12.8	12.2	1019	981	≥20	≥1595	45	42	358	334	≤150
N28UH	10.8	10.4	1.08	1.04	10.2	9.8	812	780	≥25	≥1990	28	26	223	207	≤180
N30UH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥25	≥1990	30	28	239	223	≤180
N33UH	11.7	11.4	1.17	1.14	11	10.3	875	820	≥25	≥1990	33	31	263	247	≤180
N35UH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥25	≥1990	35	33	279	263	≤180
N38UH	12.4	12.1	1.24	1.21	12	11.4	955	908	≥25	≥1990	38	35	303	279	≤180
N40UH	12.7	12.4	1.27	1.24	12.2	11	971	924	≥25	≥1990	40	38	318	303	≤180
N42UH	13	12.8	1.3	1.28	12.4	12	987	955	≥25	≥1990	42	40	342	318	≤180
N28EH	10.8	10.4	1.08	1.04	10.4	9.8	811	780	≥30	≥2388	28	26	223	207	≤200
N30EH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥30	≥2388	30	28	239	223	≤200
N33EH	11.7	11.2	1.17	1.12	11	10.4	876	828	≥30	≥2388	33	30	263	239	≤200
N35EH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥30	≥2388	36	33	287	263	≤200
N38EH	12.4	12	1.24	1.2	12	11.6	955	924	≥30	≥2388	38	35	303	287	≤200
N28AH	10.8	10.4	1.08	1.04	10.4	10	828	796	≥33	≥2626	28	26	223	207	≤240
N30AH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥33	≥2626	30	28	239	223	≤240
N33AH	11.7	11.2	1.17	1.12	11	10.4	876	828	≥33	≥2626	33	31	263	247	≤240
N35AH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥33	≥2626	35	33	279	263	≤240

Q & A

Q: Are you trading company or manufacturer ?

A: We are manufacturer.

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A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

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NdFeB magnets catalogue download

Grade	Remanence(Br)				Coercivity(Hcb)				Intrinsic Coercivity Force(Hcj)		Max.Energy Product(BH)m				Working Temp
	kGs		T		KOe		KA/m		KOe	KA/m	MGOe		KJ/m3		℃
	Nom.	min.	Nom.	min.	Nom.	min.	Nom.	min.	KOe	KA/m	Nom.	min.	Nom.	min.	℃
N35	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥12	≥955	35	33	279	263	≤80
N38	12.6	12.2	1.26	1.22	11.5	10.8	915	860	≥12	≥955	38	36	303	287	≤80
N40	12.9	12.6	1.29	1.26	11	10.5	876	836	≥12	≥955	40	38	318	303	≤80
N42	13.2	12.6	1.32	1.26	11	10.5	876	836	≥12	≥955	42	40	334	318	≤80
N45	13.7	13.3	1.37	1.33	11	10.5	876	836	≥12	≥955	45	43	358	342	≤80
N48	14.1	13.7	1.41	1.37	10.8	10.2	860	812	≥12	≥955	48	46	383	367	≤80
N50	14.5	14.1	1.45	1.41	10.8	10.2	860	812	≥12	≥955	50	48	398	383	≤80
N35M	12.1	11.7	1.21	1.17	11.6	11	924	876	≥14	≥1114	35	33	279	263	≤100
N38M	12.6	12.2	1.26	1.22	11.8	11.4	939	907	≥14	≥1114	38	36	303	287	≤100
N40M	12.9	12.6	1.29	1.26	12.2	11.8	971	939	≥14	≥1114	40	38	318	303	≤100
N42M	13.2	12.9	1.32	1.29	12.6	12.2	1003	971	≥14	≥1114	42	40	334	318	≤100
N45M	13.7	13.3	1.37	1.33	12.8	12.4	1019	987	≥14	≥1114	45	43	358	342	≤100
N48M	14.1	13.7	1.41	1.37	12.8	12.4	1019	987	≥14	≥1114	48	46	383	367	≤100
N33H	11.7	11.4	1.17	1.14	11	10.3	876	820	≥17	≥1353	33	31	263	247	≤120
N35H	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥17	≥1353	35	33	279	263	≤120
N38H	12.6	12.2	1.26	1.22	12	11.5	955	915	≥17	≥1353	38	36	303	287	≤120
N40H	12.9	12.6	1.29	1.26	12	11.5	955	915	≥17	≥1353	40	38	318	303	≤120
N42H	13.2	12.9	1.32	1.29	12.6	12.2	1003	971	≥17	≥1353	42	40	334	318	≤120
N45H	13.6	13.2	1.36	1.32	12.8	12.4	1019	987	≥17	≥1353	45	43	358	342	≤120
N48H	13.8	13.6	1.38	1.36	12.8	12.4	1019	987	≥17	≥1353	47	45	375	358	≤120
N30SH	11.2	10.8	1.12	1.08	10.5	9.8	836	780	≥20	≥1595	30	28	239	223	≤150
N33SH	11.7	11.4	1.17	1.14	11	10.3	876	820	≥20	≥1595	33	31	263	247	≤150
N35SH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥20	≥1595	35	33	279	263	≤150
N38SH	12.6	12.2	1.26	1.22	12.3	11.8	979	939	≥20	≥1595	38	36	303	287	≤150
N40SH	12.9	12.6	1.29	1.26	12.6	12	1003	955	≥20	≥1595	40	38	318	303	≤150
N42SH	13.2	12.8	1.32	1.28	12.6	12.2	1003	971	≥20	≥1595	42	40	334	318	≤150
N45SH	13.5	13.3	1.35	1.33	12.8	12.2	1019	981	≥20	≥1595	45	42	358	334	≤150
N28UH	10.8	10.4	1.08	1.04	10.2	9.8	812	780	≥25	≥1990	28	26	223	207	≤180
N30UH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥25	≥1990	30	28	239	223	≤180
N33UH	11.7	11.4	1.17	1.14	11	10.3	875	820	≥25	≥1990	33	31	263	247	≤180
N35UH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥25	≥1990	35	33	279	263	≤180
N38UH	12.4	12.1	1.24	1.21	12	11.4	955	908	≥25	≥1990	38	35	303	279	≤180
N40UH	12.7	12.4	1.27	1.24	12.2	11	971	924	≥25	≥1990	40	38	318	303	≤180
N42UH	13	12.8	1.3	1.28	12.4	12	987	955	≥25	≥1990	42	40	342	318	≤180
N28EH	10.8	10.4	1.08	1.04	10.4	9.8	811	780	≥30	≥2388	28	26	223	207	≤200
N30EH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥30	≥2388	30	28	239	223	≤200
N33EH	11.7	11.2	1.17	1.12	11	10.4	876	828	≥30	≥2388	33	30	263	239	≤200
N35EH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥30	≥2388	36	33	287	263	≤200
N38EH	12.4	12	1.24	1.2	12	11.6	955	924	≥30	≥2388	38	35	303	287	≤200
N28AH	10.8	10.4	1.08	1.04	10.4	10	828	796	≥33	≥2626	28	26	223	207	≤240
N30AH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥33	≥2626	30	28	239	223	≤240
N33AH	11.7	11.2	1.17	1.12	11	10.4	876	828	≥33	≥2626	33	31	263	247	≤240
N35AH	12.1	11.7	1.21	1.17	11.5	10.8	915	860	≥33	≥2626	35	33	279	263	≤240