Thickness 0.2mm and 0.3mm, they look very thin.
However, they are belt material.
In other words, they are tensile to stand repeated rotations.
We need a lot of force to bend 0.3mm -thick belt with our hands.
The picture below shows how the belt material bends by its own weight.
Thickness is , from the front, 0.05, 0.08, 0.1, 0.15, 0.2, and 0.3mm.
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| Various thickness of steel metal belt |
The front on is 0.05mm thick, thinner than human hair (0.07mm).
Yet it is spring type and looks arc. This way steel metal belts are rigid.
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DYMCO, LTD URL http://www.steelbelt.jp
