Only for professionals

DIN 6924  similar to ISO 7040

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

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similar to ISO 7040
DIN 6924 | steel | 8 | zinc-plated | Cr(VI) - free | metric thread

Note: The hexagon nuts with clamping part are self-locking nuts with plastic insert. A ring-shaped polyamide clamp is permanently attached to one of the two end faces and cannot be accidentally forgotten. The plastic insert has a reliable clamping effect when fastening the nut. The multiple use of the hexagon nut is not intended
• Reliable securing through clamping effect of the polyamide insert
• Permanently integrated clamping part
• inadvertent forgetting impossible

technical details

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Application Joining by bolt, joining by stud
Cr(VI) Note Cr(VI)-free
Flange/washer without 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


You can download CAD-files from our catalog on partcommunity: To Böllhoff partcommunity
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 121.96 KB / PDF

General questions:
Phone: +48 71 387 85 31

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