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DIN 988 

Shim rings
Material: Spring steel | Surface: zinc-plated, thick-film passivated (VZD)

Diameter (d)

Diameter (d2)

h max.

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Description

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DIN 988 | steel | spring steel | bright | Cr(VI) - free
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Surface (VZD): galvanized, thick-film passivated, min. 5μm | corrosion resistance to DIN EN ISO 9227 *: white rust 72h, red rust 144h | defined coefficient of friction μ(total) = 0.12 - 0.18 for high-strength screws (≥ 8.8)

>*The verification of the mentioned minimum requirements is carried out according to the test conditions of ISO/CD 4042:2016, galvanic coatings for fasteners. For dimensions < M5, the above values may deviate downwards.

technical details

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Cr(VI) Note Cr(VI)-free
Form Round
Installation method Assembly by hand
Material Spring steel
Risk hydrogen embrittlement
RoHS conformal
Surface zinc-plated, thick-film passivated (VZD)

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