25mm x 20mm x 5mm thick with a 4.5mm diameter countersunk hole on either side for fixing+/-0.1mm tolerance Each magnet is countersunk on either side, the north pole of each magnet is identified by a dimple on the surface. Each magnet can support 9.8kg pull vertically from the magnetic face when in flush contact with a mild steel surface Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth and clean finish Can be fixed in place with a countersink screws Ideal for furniture fixings, hanging artwork and keeping doors and drawers closed, these countersunk magnets have a countersunk hole on either side that allows them to be fixed to non-magnetic surfaces with a screw. Countersunk magnets with opposite facing poles can be used to attract two surfaces or two opposing countersunk magnets with the same poles facing can be used to create a damping, shock absorbing or repelling effect.
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