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Böllhoff standard 51010 | steel | 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.
Thread type:
Metric thread
Force application:
Hexagon head
Risk hydrogen embrittlement:
Installation method:
Rivet / press in
Cr(VI) Note:
Cr(VI)-free
Material:
Steel
Material:
Steel
Product type:
Injection and rivet nuts
Flange/washer:
without flange
Product group:
Nuts
Surface:
zinc-plated, thick-film passivated (VZD)
RoHS conformal:
All technical data refer to the measure mm
Please log in for CAD-Downloads.
Böllhoff bulletin: Changeover to Cr6+-free protective zinc layers for fasteners
Fastening and assembly technology: Products and services
The Manual of fastening Technology: 8th edition
VZD – the Cr(VI)-free alternative: Sustainable surface protection from Böllhoff
