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Hefei Super Electronics Co., Ltd.
What Are You Looking For?
20 x 3mm with 5mm Hole neodymium magnets are large use: key, iron products, etc. adsorption and tool storage, manual DIY, refrigerator stick DIY, wardrobe door suction, locker suction, white board magnet
Size :
D20x3mm M5Color :
SilverOrder(MOQ) :
100pcsCoating :
NiCuNiLead Time :
Payment :
Rare Earth Round Neodymium Magnets With Countersunk Hole
Product Description
Dimensions: D20x3mm M5
Tolerances: ±0.004" x ±0.004"
Material: NdFeB
Plating/Coating: Ni-Cu-Ni (Nickel)
Magnetization Direction: Axial (Poles on Flat Ends)
Max Operating Temp: 176ºF (80ºC)
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 |
Very Durable - Round countersunk hole magnets are coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth finish which greatly increase the longevity of countersunk magnets.
Easy To Use - D20x3mm M5 disc countersunk hole magnets can directly absorbed on magnetic material and can be fixed on non-magnetic material with screws. Neodymium magnets with holes are sturdy and reliable. When you separate the countersunk hole magnets, be careful and slide gently.
Multipurpose Magnets
Strong neodymium disc magnets with hole can be applied to tool storage, photos display, refrigerator magnets.They can also be used for scientific experiments, locker suction or whiteboard magnet.
How To Seperate Magnets
Packing&Shipping
20 x 3mm with 5mm Hole neodymium magnets are large use: key, iron products, etc. adsorption and tool storage, manual DIY, refrigerator stick DIY, wardrobe door suction, locker suction, white board magnet
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