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Steel balls 13 mm

not magnets!, ferromagnetic, nickel-plated, Ø 12.7 mm

Article ID ST-K-13-N
UoS 10 pieces
Price and rebate
10 pcs. 0.36 CHF ea.
from 40 pcs. 0.31 CHF ea.
from 80 pcs. 0.30 CHF ea.
from 160 pcs. 0.28 CHF ea.
Ask for a rebate from 5'000 pcs.
incl. VAT plus shipping

3.60 CHF

incl. VAT plus shipping

promptly deliverable

Available: 890 pieces

Delivery time: 1 - 2 business days


  • Purchase on account


These are NOT magnets, but nickel-plated steel spheres.
For combining with other magnets, e.g., with rod magnets (see photos).

Technical data

Article IDST-K-13-N
Tolerance+/- 0.15 mm
Weight8.5 g
For beginners...
... and advanced
Not magnets... steel spheres.
From above.
Dramatic enough?
This structure rotated with a single push for 25 minutes! The explanation for this is the low amount of friction and the minimal amount of aerodynamic resistance. The low friction stems from the two steel spheres (on top) having contact over a very small surface area only and also because the structure is so heavy, that it is nearly ready to fall. By the way, the two steel spheres are not magnets, but are magnetised through the rod magnets.

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