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Show Experiments & School

Steel balls Ø 12,7 mm

not magnets!, ferromagnetic, nickel-plated

Item number ST-K-13-N
Unit of Sale 10 pieces
Similar products
 Examples of use
Price and rebate
10 pcs. 0,45 EUR ea.
from 40 pcs. 0,40 EUR ea.
from 80 pcs. 0,38 EUR ea.
from 160 pcs. 0,36 EUR ea.
Ask for a rebate from 5 000 pcs.
incl. VAT plus shipping
RoHS Logo REACH Logo

4,50 EUR

incl. VAT plus shipping

promptly deliverable

Available: 21 510 pieces

Delivery time: 3-8 business days

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Description

Please note: These are NOT magnets!

These steel spheres with a diameter of 12,7 mm are great for joining with magnets. And when combined with rod magnets, you can build some pretty crazy structures.
The steel balls are made of high carbon chromium steel that contains 1% carbon and 0,5 %–1,65 % chromium. The spheres are plated with nickel (Ni-Cu-Ni).

Technical data
Article ID ST-K-13-N
EAN 7640155438476
Diameter 12,7 mm
Tolerance +/- 0,15 mm
Design Steel sphere
Shape Sphere
Weight 8,5 g

Additional features and tips
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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