Only for professionals

ISO 7380-2 

Round head screws
Material: Steel 10.9 | Surface: zinc-plated

Diameter (d)

Length (l)


For further information please contact us.


ISO 7380-2 | steel | 10.9 | zinc plated | Cr(VI) - free | metric thread

• Due to their head geometry, these screws are limited in their load bearing capacity, see DIN EN ISO 898-1
• Some dimensions thread up to head

technical details

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Cr(VI) Note Cr(VI)-free
Flange/washer with flange
Force application Hexagon socket
Head shape Round head
Installation method Screw into place with tool
Material Steel
Material version 10.9
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
Data sheet: Technical information and dimensions of the product English 04/2021 135.14 KB / PDF
The Manual of Fastening Technology: 5th edition English 8100/08.02 1.93 MB / PDF
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 8.79 MB / PDF

General questions:
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