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Super Strong Neodymium Disc Magnets With Countersunk Hole In The Center

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Super Strong Neodymium Disc Magnets With Countersunk Hole In The Center

Strong countersunk ring magnets sized specifically for #5 flat-head screws. The south pole is on the side of the magnet with the hole, where the head of the screw would be.

Size :
D20x5mm M5
Color :
Silver
Order(MOQ) :
100pcs
Sample :
Free
Lead Time :
Payment :

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Product Details

Super Strong Neodymium Disc Magnets With Countersunk Hole In The Center

Product Description

Dimensions: D20x5mm

Screw Size : #5

Tolerances: ±0.004" x ±0.004"

Material: NdFeB

Plating/Coating: Ni-Cu-Ni (Nickel)

Magnetization Direction: Axial (Poles on Flat Ends)

Feature

1.Unique Design: Round neodymium magnets with countersunk hole are made of neodymium iron boron magnetic material. They can attract various materials made of ferromagnetic elements, including nickel, iron, cobalt and their alloy parts.

2.High Quality: Super strong countersunk hole magnets are plated with the best coating. The NI+CU+NI coating makes the magnet have a smooth surface and a gorgeous appearance.

3.Versatile Application: Heavy duty neodymium magnets are used to hang and fix various metal tools, organize various metal objects, and save more living space and convenience. Such as cabin ship doors, car light installation, mechanics, workshop, kitchen, offices, DIY, etc. Super Strong Neodymium Disc Magnets With Countersunk Hole In The Center Specification

Neodymium	Br		Hcb		Hcj		(Bh)max		Tw
Grade	mT	kGs	kA/m	kOe	kA/m	kOe	kJ/m3	MGOe	℃
N35	1170-1220	11.7-12.2	＞868	＞10.9	＞955	＞12	263-287	33-36	＜80
N38	1220-1250	12.2-12.5	＞899	＞11.3	＞955	＞12	287-310	38-39	＜80
N40	1250-1280	12.5-12.8	＞907	＞11.4	＞955	＞12	302-326	38-41	＜80
N42	1280-1320	12.8-13.2	＞915	＞11.5	＞955	＞12	318-342	40-43	＜80
N48	1380-1420	13.8-14.2	＞923	＞11.6	＞955	＞12	366-390	46-49	＜80
N50	1400-1450	14.0-14.5	＞796	＞10	＞876	＞11	382-406	48-49	＜80
N52	1430-1480	14.3-14.8	＞796	＞10	＞876	＞11	398-422	50-53	＜80
35M	1170-1220	11.7-12.2	＞868	＞10.9	＞1114	＞14	263-297	33-36	＜100
38M	1220-1250	12.2-12.5	＞899	＞11.3	＞1114	＞14	297-310	36-39	＜100
40M	1250-1280	12.5-12.8	＞923	＞11.6	＞1114	＞14	302-326	38-41	＜100
42M	1280-1320	12.8-13.2	＞955	＞12	＞1114	＞14	318-342	40-43	＜100
48M	1360-1430	13.6-14.3	＞1027	＞12.9	＞1114	＞14	366-390	46-49	＜100
50M	1400-1450	14.0-14.5	＞1033	＞13	＞1114	＞14	382-406	48-51	＜100
33H	1130-1170	11.3-11.7	＞836	＞10.5	＞1353	＞17	247-271	31-34	＜120
35H	1170-1220	11.7-12.2	＞868	＞10.9	＞1353	＞17	263-287	33-36	＜120
38H	1220-1250	12.2-12.5	＞899	＞11.3	＞1353	＞17	287-310	36-39	＜120
40H	1250-1280	12.5-12.8	＞923	＞11.6	＞1353	＞17	302-326	38-41	＜120
42H	1280-1320	12.8-13.2	＞955	＞12	＞1353	＞17	318-342	40-43	＜120
45H	1300-1360	13-13.6	＞963	＞12.1	＞1353	＞17	326-358	43-46	＜120
48H	1370-1430	13.7-14.3	＞995	＞12	＞1353	＞17	366-390	46-49	＜120
30SH	1080-1130	10.8-11.3	＞804	＞10.1	＞1592	＞20	223-247	28-31	＜150
33SH	1130-1170	10.3-11.7	＞844	＞10.6	＞1592	＞20	247-271	31-34	＜150
35SH	1170-1220	11.7-12.2	＞876	＞11	＞1592	＞20	263-287	33-36	＜150
38SH	1220-1250	12.2-12.5	＞907	＞11.4	＞1592	＞20	287-310	36-39	＜150
40SH	1240-1280	12.5-12.8	＞939	＞11.8	＞1592	＞20	302-326	36-41	＜150
42SH	1280-1320	12.8-13.2	＞987	＞12.4	＞1592	＞20	318-342	40-43	＜150
45SH	1320-1380	13.2-13.8	＞1003	＞12.6	＞1592	＞20	342-366	43-46	＜150
28UH	1020-1080	10.2-10.8	＞764	＞9.6	＞1990	＞25	207-231	26-29	＜180
30UH	1080-1130	10.8-11.3	＞812	＞10.2	＞1990	＞25	223-247	28-31	＜180
33UH	1130-1170	11.3-11.7	＞852	＞10.7	＞1990	＞25	247-271	31-36	＜180
35UH	1170-1220	11.8-12.2	＞860	＞10.8	＞1990	＞25	263-287	33-36	＜180
38UH	1220-1250	12.2-12.5	＞876	＞11	＞1990	＞25	287-310	36-39	＜180
40UH	1250-1280	12.5-12.8	＞899	＞11.3	＞1990	＞25	302-326	31-41	＜180
28EH	1040-1090	10.4-10.9	＞780	＞9.8	＞2388	＞30	207-231	26-29	＜200
30EH	1080-1130	10.8-11.3	＞812	＞10.2	＞2388	＞30	223-247	28-31	＜200
33EH	1130-1170	11.3-11.7	＞836	＞10.5	＞2388	＞30	247-271	31-36	＜200
35EH	1170-1220	11.7-12.2	＞876	＞11	＞2388	＞30	263-287	33-36	＜200
38EH	1220-1250	12.2-12.5	＞899	＞11.3	＞2388	＞30	287-310	36-39	＜200
28AH	1040-1090	10.4-10.9	＞787	＞9.9	＞2642	＞33	207-231	26-29	＜230
30AH	1080-1130	10.8-11.3	＞819	＞10.3	＞2642	＞33	223-247	28-31	＜230
38AH	1130-1170	11.3-11.7	＞843	＞10.6	＞2642	＞33	247-271	31-34	＜230

Magnetization Direction

How To Use

Using the screws to install the magnet on the surface of the object or use the magnet to fix it on the surface of the metal object. The neodymium disc magnets with countersink surface are smooth and rust-proof, removed without leaving any stains.

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Packing&Shipping

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