6mm x 1mm N42 Neodymium Disc Magnets
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PROJ: MAG/D6X1/1 · SHEET 2 / 4
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Product overview
The 6 x 1 mm N42 neodymium disc has the broadest footprint among the 1 mm-thick options in this group. It is axially magnetised across its flat faces and protected by a NiCuNi coating, creating a low-profile magnet for bases and thin substrates that cannot accept a deep socket.
Use this size when stable, flat contact matters more than compact diameter. It suits shallow miniature bases, thin scenery floors, removable ground sections and other parts where a wider face can be accommodated but drilling farther into the material would risk breaking through. Its calculated, zero-gap pull reference is 290 g, with sideways shear estimated at approximately 40 g. The broad contact area helps spread the hold and reduces rocking, but any paint, glue layer or separation from the steel will lower the force available in use.
Cut the recess with a 6 mm drill to a depth of 1.2 mm. For a 3D-printed component, use a 6.1 mm hole as the starting dimension. Because the disc is thin, keep the base of the cavity level and press the magnet flat while the CA glue sets. On a hollow base or layered terrain piece, it may be easier to mount it against the inner surface than to drill from below. Supplied in packs of 1, 10, 25, 50 and 100.
Notes · Q & A
Which magnet size should I choose for miniatures?
A 2×1 mm disc suits infantry weapon swaps, while 3×1 mm is a practical step up for arms and small components. Sizes around 3×2 to 5×2 mm work well for basing and larger parts, with 5×3 mm and above better suited to vehicles, large models and army transport. Each listing includes a calculated pull figure in grams so you can compare sizes on the same basis.
What does the N42 magnet grade mean?
The grade describes the magnetic material: at identical dimensions, a higher number generally produces more pull. N52 is typically around 20–25% stronger than N42 at the same size, but increasing the magnet's diameter or thickness usually makes a larger practical difference than changing grade alone. Our range is clearly specified as N42.
How do I keep the polarity consistent?
Before separating the stack, mark one face with a permanent marker and use that mark as your polarity reference. Dry-fit every pair before applying adhesive, and glue the two halves while the magnets are still attracting each other in the intended orientation. Reversing one magnet is one of the most common magnetisation mistakes.
What size hole should I drill for a magnet?
Use a drill matching the magnet diameter; for a designed 3D-printed socket, allow roughly 0.1 mm extra diameter. Make the recess approximately the magnet thickness plus 0.2 mm for adhesive so the face can sit level with the surrounding surface. CA adhesive is suitable for fixing these magnets into plastic, resin or metal parts.
How should neodymium magnets be handled safely?
Swallowing two or more magnets can cause serious internal injury, so keep loose magnets away from children and use them only for adult hobby work. Neodymium magnets are also brittle and may chip if allowed to snap together. Bring them together slowly from the edge rather than letting their flat faces strike each other.
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Technical specifications
Product
6mm x 1mm N42 Neodymium Disc Magnets
Code (proj)
MAG/D6X1/1
Ship. weight
60 g
Brand
Hobby Heaven
Hobby Heaven · By hobbyists, for hobbyists
Sheet 2 / 4
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