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DIN 6927  similar to EN 1664

Hexagon nuts
Material: Steel 8 | Surface: zinc-plated

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similar to EN 1664
DIN 6927 | steel | 8 | zinc-plated | Cr(VI) - free | metric thread

Note:The hexagon nuts are self-locking nuts with metal insert and flange. The flange increases the contact area on the component and additionally protects the surface. An annular metal clamp is fixed in the inner groove. The metal insert has a reliable clamping effect on the full circumference of the thread. It is firmly integrated and cannot be forgotten by mistake. The hexagon nut can be used several times
• Multiple reusable
• Reliable securing by clamping effect of the metal insert
• Protects the component surface without washers or spring rings

technical details

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Application Joining by bolt, joining by stud
Cr(VI) Note Cr(VI)-free
Flange/washer with flange
Force application Hexagon head
Installation method Screw into place with tool
Material Steel
Material version 8
Risk hydrogen embrittlement
RoHS conformal
Surface zinc-plated
Thread type Metric thread


Please log in for CAD-Downloads.
Title Language Version File Download
Böllhoff bulletin: Changeover to Cr6+-free protective zinc layers for fasteners English 1622/15.02 894.98 KB / PDF
Data sheet: Technical information and dimensions of the product English 02/2023 123.96 KB / PDF
Fastening and assembly technology: Products and services English 1180/21-V1-EN (WBH) 8.79 MB / PDF

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