D20xd16x20mm N42 Neodymium Round Magnet With Hole

Product ID	NMR2020
Material	NdFeB
Shape	Ring
Grade	N42
Outer Diameter	20mm
Inner Diameter	16mm
Thickness	20mm
Coating	Nickel-Copper-Nickel
Magnetization Direction	Through thickness
Tolerance	±0.05mm x ±0.05mm x ±0.05mm
Weight(g)	17
Max Operating Temp (°C / °F)	80 / 176

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PRODUCT DETAIL
MAGNETIC PROPERTIES
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Description of D20xd16x20mm N42 Nickel Coating Neodymium Round Magnet With Hole

Grade	N42
Dimension	D20xd16x20mm
Coating	Ni-Cu-Ni
Magnetzied direction	Through thickness
Tolerance	±0.05mm
Weight	17g/pc
Temperature max	80°c
Package	Vacuum bag + Box + Foam + Carton
Shipping	Courier or Sea or Air

D20xd16x20mm with Nickel coating, magnetized through height. Not only for hanging photos or calendar, it enen can be used as key holders. Use your imagniation ,the uses are endless. Let me tell you a tip, an electronic stud finder can be hit or miss when it comes to locating studs behind walls so why not use a magnet to do the searching instead. A strong magnet can easily find the nails or screws holding the stud and wall together.

Application
Magnet Application

Comparison of Products
Comparison of magnet

Comparison of Packaging
Comparison of magnet packaging

MAGNETIC PROPERTIES

Grade	Residual Induction Br				Coercive Force HcB		Intrinsic Coercive Hcj		Energy Product(BH)max				Max Working Temp.
	Kgs		T		KOe	KA/m	Koe	KA/m	MGOe		KJ/m		L/D≥0.7
	Max	Min	Max	Min	Min	Min	Min	Min	Max	Min	Max	Min	℃
N35	12.30	11.80	1.23	1.18	≥10.9	≥868	≥12	≥955	36	33	287	263	≤80
N38	12.60	12.30	1.26	1.23	≥11.3	≥899	≥12	≥955	39	36	311	287	≤80
N40	12.90	12.60	1.29	1.26	≥11.4	≥907	≥12	≥955	41	38	327	302	≤80
N42	13.30	12.90	1.33	1.29	≥11.5	≥915	≥12	≥955	43	40	342	318	≤80
N45	13.70	13.30	1.37	1.33	≥11.0	≥876	≥12	≥955	46	43	366	342	≤80
N48	14.10	13.70	1.41	1.37	≥10.5	≥836	≥11	≥876	49	45	390	358	≤80
N50	14.50	14.00	1.45	1.40	≥10.5	≥836	≥11	≥876	51	47	406	374	≤60
N52	14.80	14.30	1.48	1.43	≥10.5	≥836	≥11	≥876	53	49	422	390	≤60
35M	12.30	11.80	1.23	1.18	≥10.9	≥868	≥14	≥1114	36	34	287	271	≤100
38M	12.60	12.30	1.26	1.23	≥11.3	≥899	≥14	≥1114	39	36	311	287	≤100
40M	12.90	12.60	1.29	1.26	≥11.6	≥923	≥14	≥1114	41	38	327	302	≤100
42M	13.30	12.90	1.33	1.29	≥12.0	≥955	≥14	≥1114	43	40	342	318	≤100
45M	13.70	13.30	1.37	1.33	≥12.5	≥995	≥14	≥1114	46	43	366	342	≤100
48M	14.10	13.70	1.41	1.37	≥12.9	≥1027	≥14	≥1114	49	45	390	358	≤100
50M	14.50	14.00	1.45	1.40	≥13.0	≥1033	≥14	≥1114	51	47	406	374	≤100
35H	12.30	11.80	1.23	1.18	≥10.9	≥868	≥17	≥1353	36	33	287	263	≤120
38H	12.60	12.30	1.26	1.23	≥11.3	≥899	≥17	≥1353	39	36	311	287	≤120
40H	12.90	12.60	1.29	1.26	≥11.6	≥923	≥17	≥1353	41	38	327	302	≤120
42H	13.30	12.90	1.33	1.29	≥12.0	≥955	≥17	≥1353	43	40	342	318	≤120
45H	13.70	13.30	1.37	1.33	≥12.3	≥979	≥17	≥1353	46	43	366	342	≤120
48H	14.10	13.70	1.41	1.37	≥12.5	≥995	≥17	≥1353	49	46	390	366	≤120
35SH	12.30	11.80	1.23	1.18	≥11.0	≥876	≥20	≥1592	36	33	287	263	≤150
38SH	12.60	12.30	1.26	1.23	≥11.4	≥907	≥20	≥1592	39	36	311	287	≤150
40SH	12.90	12.60	1.29	1.26	≥11.6	≥939	≥20	≥1592	41	38	326	302	≤150
42SH	13.30	12.90	1.33	1.29	≥12.4	≥987	≥20	≥1592	43	40	342	318	≤150
45SH	13.70	13.20	1.37	1.32	≥12.6	≥1003	≥20	≥1592	46	42	366	334	≤150
33UH	11.80	11.40	1.18	1.14	≥10.7	≥852	≥25	≥1989	34	31	271	247	≤180
35UH	12.30	11.80	1.23	1.18	≥10.8	≥860	≥25	≥1989	36	33	287	263	≤180
38UH	12.60	12.30	1.26	1.23	≥11.3	≥899	≥25	≥1989	39	36	311	287	≤180
40UH	12.90	12.50	1.29	1.25	≥11.3	≥899	≥25	≥1989	41	38	326	302	≤180
33EH	11.80	11.40	1.18	1.14	≥10.3	≥820	≥30	≥2388	34	31	271	247	≤200
35EH	12.30	11.70	1.23	1.17	≥10.5	≥836	≥30	≥2388	36	33	287	263	≤200
38EH	12.60	12.20	1.26	1.22	≥11.3	≥899	≥30	≥2388	39	35	311	287	≤200