15 x 10 x 5mm NdFeB Rectangular Magnet N40M Ni, Rare Earth Super Strong Sintered NdFeB Block Magnet for Motor Sensor Rotor Toy, Nickel Coating Licensed Neodymium Permanent Magnets China Supplier 15 x 10 x 5mm NdFeB Rectangular Magnet N40M Ni Technical Specifications: Item: NBN40M-15-10-5 Grade: N40M Material: Neodymium (NdFeB) Plating: Nickel Shape: Block, Rectangular, Rectangle, […]
Neodymium Disc Countersunk Magnet N42 10x3x3mm, Extra Strong Disc Block Countersink Magnet, Screw-on Magnets, Powerful Rare Earth NdFeB Permanent Ring Magnet with Counterbore Hole, Ring Neodymium Magnet with Countersunk 90°, Round Screw-on Pot Magnets, Sintered Neodymium Countersunk Magnet, Flat countersunk neodymium disc and block magnets China Supplier
Neodymium Disc Countersunk Magnet N42 10 x 3 x 3mm Technical Specifications:
Material: Neodymium (NdFeB)
Plating: Nickel (Ni-Cu-Ni)
Magnet Shape: Disc Countersunk
Outside Diameter: 10 mm
Height: 3 mm
Inside Diameter: 3 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1280-1320 mT (12.8-13.2 kGs)
Energy Density (BH)max: 318-342 KJ/m³ (40-43 MGOe)
Coercivity Force (Hcb): ≥ 915 kA/m ( ≥ 11.5 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 955 kA/m ( ≥ 12 kOe)
Maximum Operation Temperature: 80 °C
Delivery Time: 14-35 days
Flat countersunk neodymium disc and block magnets with one or two boreholes can be fastened with a countersunk head screw. They are only 4 mm thick and therefore very discreet for hanging up signs, tools, etc. Screw-on magnets are very popular in the areas of kitchen installations, booth and store construction, signage technology, furniture construction, etc.
Don’t forget to buy low-priced metal discs as counterparts in our website.
We also carry round screw-on pot magnets, which look very similar, but have a much higher adhesive force:
Countersunk pot magnets
Pot magnets with cylindrical borehole
Pot magnets with ferrite magnet
Small size ring magnet, axially magnetised like almost all neodymium rings. This one has a 90°-countersunk. Neodymium magnets are made of neodymium, iron and boron and are the strongest raw magnets. neodymium countersunk magnet
countersunk disc magnet Tips:
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Neodymium Ring Magnets are used in loud speakers, motors, relays, sensors, switches, eddy current braking, pot magnets, latching and the countersunk 22×8 is widely used in the building industry for latching cupboard doors. In stock, diameter sizes range between 12.5mm and 72mm and thicknesses from 3mm up to 13mm. Larger sizes can be arranged.
Most Neodymium Ring Magnets have the north and south poles on the parallel faces at the ends of the ring. This is called axial magnetization and the field is through the thickness of the ring. In special cases the pole alignments can be segmented around the ring.