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DIN 9021  similar to ISO 7093

Material: Steel 140 HV | Surface: zinc-plated

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similar to ISO 7093 | DIN standard has been withdrawn
DIN 9021 | steel | 140 HV | zinc-plated | Cr(VI) - free

External diameter = 3x nominal thread diameter

Note: Similar to ISO 7093 | DIN standard has been withdrawn

technical details

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Cr(VI) Note Cr(VI)-free
Form Round
Material Steel
Material version 140 HV
Risk hydrogen embrittlement
RoHS conformal
Surface zinc-plated


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Title Language Version File Download
Böllhoff bulletin: Changeover to Cr6+-free protective zinc layers for fasteners English 1622/15.02 894.98 KB / PDF
Fastening and assembly technology: Products and services English 1180/21-V1-EN (WBH) 8.79 MB / PDF
Data sheet: Technical information and dimensions of the product English 02/2023 111.58 KB / PDF

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