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Hefei Super Electronics Co., Ltd.
What Are You Looking For?
These strong countersunk magnets can be used for a wide range of applications including door closures and tool hangers.
Size :
1/2" x 1/8" M4Color :
SilverOrder(MOQ) :
100pcsCoating :
NiCuNiLead Time :
Payment :
Strong Nickel Coating Countersunk Hole Neodymium Magnet
Product Description
Dimensions: 1/2" od x 1/8" thick with countersunk hole for #4 screw
Tolerances: ±0.004" x ±0.004"
Material: NdFeB
Plating/Coating: Ni-Cu-Ni (Nickel)
Magnetization Direction: Axial (Poles on Flat Ends)
Weight: 0.0985 oz. (2.79 g)
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 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 - Neodymium 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 magnets with countersunk are used to hang and fix various metal tools, organize various metal objects, and save more living space. Neodymium disc magnets are great for workshop woodworking, garages, tool rooms, cruise ships, garages, kitchens, DIY, and more
Packing&Shipping
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