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DIN 603 | steel | 8.8 | zinc-plated | Cr(VI) - free | metric thread
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 elements with a nominal tensile strength ≥ 800 MPa
*The verification of the mentioned minimum requirements is carried out according to the test conditions of DIN EN ISO 4042, galvanic coatings for fasteners. For dimensions < M5, the above values may deviate downwards.
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 elements with a nominal tensile strength ≥ 800 MPa
*The verification of the mentioned minimum requirements is carried out according to the test conditions of DIN EN ISO 4042, galvanic coatings for fasteners. For dimensions < M5, the above values may deviate downwards.
Surface:
zinc-plated, thick-film passivated (VZD)
Flange/washer:
without flange
Material:
Steel
RoHS conformal:
Material:
Steel 8.8
Installation method:
Assembly by hand
Product type:
other screws
Product group:
Screws
Cr(VI) Note:
Cr(VI)-free
Thread type:
Metric thread
Material version:
8.8
Risk hydrogen embrittlement:
Head shape:
Dome head
All technical data refer to the measure mm
Please log in for CAD-Downloads.
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Böllhoff bulletin: Changeover to Cr6+-free protective zinc layers for fasteners
The Manual of fastening Technology: 8th edition
