4 x 4mm Diametric

4mm x 4mm Diametrically Magnetized Disc Magnet Neodymium Round Magnets N35 Rare Earth Radial Magnets

4mm x 4mm Diametrically Magnetized Disc Magnet Neodymium Round Magnets N35 Rare Earth Radial Magnets - Image 2

4mm x 4mm Diametrically Magnetized Disc Magnet Neodymium Round Magnets N35 Rare Earth Radial Magnets - Image 3

4mm x 4mm Diametrically Magnetized Disc Magnet Neodymium Round Magnets N35 Rare Earth Radial Magnets

Price range: £6.76 through £32.94

Material	NdFeB, Grade N35
Shape	Disc / Cylinder
Diameter	4 mm
Height	4 mm
Tolerance	+/- 0.05 mm
Coating	Nickel-plated (Ni-cu-Ni)
Magnetisation	Diametrically Magnetized
Strength	approx. 560g
Max. working temperature	176°F (80°C)
Weight(1 piece)	0.4 g

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4mm dia x 4mm thick Diametrically Magnetized Neodymium Disc Magnets N35 Rare Earth Radial Magnets for Sale Round Magnet Amazon for Crafts Magnets 4x4mm

4 mm diameter x 4 mm thickness
Each magnet’s north and south pole are on opposite 4mm thickness faces
Each magnet can support a steel weight of up to 0.56kg vertically from the magnetic face when in flush contact with a mild steel surface
Excellent resistance to demagnetisation
Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth and clean finish

Technical information
Model ID	D-04-04-DN
Material	NdFeB, Grade N35
Shape	Rod / Cylinder
Type	Permanent
Composite	Neodymium Magnet
Diameter	4 mm
Height	4 mm
Tolerance	+/- 0.05 mm
Coating	Nickel-plated (Ni-Cu-Ni)
Magnetisation	Diametrically Magnetized
strength	approx. 560g
Max. working temperature	176°F (80°C)
Curie temperature	310 °C
weight(1 piece)	0.4 g
Residual magnetism Br	13700-14200 G, 1.37-1.42 T
Coercive field strength bHc	10.8-12.5 kOe, 860-995 kA/m
Coercive field strength iHc	≥12 kOe, ≥955 kA/m
Energy product (BxH)max	35MGOe

These small diametrically magnetized cylinders are great for use with Hall Effect Sensors. The poles are located on the sides of the cylinders, so they will attract each other as shown in the bottom picture.