Only for professionals

DIN 985  similar to ISO 10511

Hexagon nuts
Material: Stainless steel A4 | Surface: -

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similar to ISO 10511 | DIN standard has been withdrawn
DIN 985 | stainless steel | A4 | Cr (VI) - free | metric thread

Note: Similar to ISO 10511 | DIN standard has been withdrawn | changed nut height and wrench width

The hexagon nuts with clamping part are self-locking nuts with plastic insert. You do not need to store and assemble additional elements such as washers or spring washers. On one of the two end faces, a polyamide ring-shaped clamping part is firmly attached and cannot be accidentally forgotten. The plastic insert has a reliable clamping effect when fastening the nut. The multiple use of the hexagonal nut is not intended.

• Reliable securing by clamping action of the polyamide insert
• Firmly 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 Stainless steel
Material version A4
Risk hydrogen embrittlement
RoHs conformal
Thread type Metric thread


You can download CAD-files from our catalog on partcommunity: To Böllhoff partcommunity
Title Language Version File Download
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 04/2021 127.47 KB / PDF

General questions:
Phone: +48 71 387 85 31

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