Magnetic Hard Disk Magnets Suppliers – Magnet Cup With External Nut and Open Hook (ME) – Magnetic

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Magnetic Hard Disk Magnets Suppliers – Magnet Cup With External Nut and Open Hook (ME) – Magnetic Detail:

Magnet Cup(ME series)

Item	Size	Dia	Nut Thread	Open Hook Hight	Nut Including Hight	Total Hight	Attraction Approx.(Kg)
ME10	D10x34.5	10	M3	22.0	12.5	34.5	2
ME12	D12x34.5	12	M3	22.3	12.2	34.5	4
ME16	D16x35.7	16	M4	22.2	13.5	35.7	6
ME20	D20x37.8	20	M4	22.8	15.0	37.8	9
ME25	D25x44.9	25	M5	28	17	44.9	22
ME32	D32x47.8	32	M6	30	18	47.8	34
ME36	D36x49.8	36	M6	31	19	49.8	41
ME42	D42x50	42	M6	31	19	50.0	68
ME48	D48x61	48	M8	37	24	61.0	81
ME60	D60x66	60	M8	38.0	28.0	66.0	113
ME75	D75x84	75	M10	49.0	35.0	84.0	164

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N35
Material	Remanence Br(KGs)	Coercivity HcB(KOe)	Intrinsic Coercivity HcJ(KOe)	Max.Energy Product (BH)max.(MGOe)	Max.Operating Temp.(℃)
Grade 35	11.7-12.3	10.7-12.0	≥12	33-36	80

N54
Material	Remanence Br(KGs)	Coercivity HcB(KOe)	Intrinsic Coercivity HcJ(KOe)	Max.Energy Product (BH)max.(MGOe)	Max.Operating Temp.(℃)
Grade 54	14.4-14.8	10.5-12.0	≥12	51-55	80

Magnet cup direction

Magnetic production: S pole is on the center of the magnetic cup face, N pole is on the outer edge of the magnetic cup rim.
The neodymium magnets are sunken into the steel cup/enclosure, the steel enclosure redirects the N pole direction to the S pole surface, it makes the magnetic holding power more stronger!
Different manufacturer may have different pole direcrtion desgin.

Grade N series Properties of NdFeB Magnets

No.	Grade	Remanence; Br				Coercive Force;bHc		IntrinsicCoercive Force;iHc		Max Energy Product;(BH)max					Working
		kGs		T		kOe	KA/m	kOe	KA/m	MGOe			KJ/㎥		Temp.
		Max.	Min.	Max.	Min.	kOe	KA/m	kOe	KA/m	Max.	Min.	Max.		Min.	℃
1	N35	12.3	11.7	1.23	1.17	≥10.8	≥859	≥12	≥955	36	33	287		263	≤80
2	N38	13	12.3	1.3	1.23	≥10.8	≥859	≥12	≥955	40	36	318		287	≤80
3	N40	13.2	12.6	1.32	1.26	≥10.5	≥836	≥12	≥955	42	38	334		289	≤80
4	N42	13.5	13	1.35	1.3	≥10.5	≥836	≥12	≥955	44	40	350		318	≤80
5	N45	13.8	13.2	1.38	1.32	≥10.5	≥836	≥11	≥876	46	42	366		334	≤80
6	N48	14.2	13.6	1.42	1.36	≥10.5	≥836	≥11	≥876	49	45	390		358	≤80
7	N50	14.5	13.9	1.45	1.39	≥10.5	≥836	≥11	≥876	51	47	406		374	≤80
8	N52	14.8	14.2	1.48	1.42	≥10.5	≥836	≥11	≥876	53	49	422		389	≤80
9	N54	14.8	14.4	1.48	1.44	≥10.5	≥836	≥11	≥876	55	51	438		406	≤80

1mT=10GS
1KA/m=0.01256 KOe
1KJ/m=0.1256 MGOe

B (Oersted)＝H (Gauss)＋4πM (emu/cc)
1Oe ＝ (1000/4π) A/m ＝79.6 A/m
1G = 10-4 T
1 emu/cc = 1 kA/m

Magnet Cup Using Cautions

Magnet Cup powerful attraction forces can cause serious injury. Normaly we make the S pole to be the face of all magnet cup, so the magnet cup can’t attract each other face by face, but bigger size magnet cup, such as ME60, etc.
these magnet cups are made of neodymium magnets, and neodymium magnets are super strong than any other kinds of magnets, so the attracting power can be incredibly stronger than your imagination even they attract normal metals.
And fingers and other body parts can be pinched between two magnet cups, severe injuries can be occured if not carefull in handing.

These magnet cups can not be used in toys, espcially for bigger size magnet cups, they are not suitable for using at toys, children should not be allowed to handle neodymium magnet cups.

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