Menu
Only for professionals

DIN 6912 

Cylinder screws
Material: Steel 08.8 | Surface: zinc-plated, thick-film passivated (VZD)

Diameter (d)

Length (l)

Packingunit

For further information please contact us.

Description

Read on Hide
DIN 6912 | steel | 08.8 | zinc-plated | Cr(VI) - free | metric thread

Note:Due to their head geometry, these screws are limited in their load bearing capacity, see DIN EN ISO 898-1
<
Surface (VZD): galvanized, thick-film passivated, min. 5μm | corrosion resistance to DIN EN ISO 9227 *: white rust 72h, red rust 144h | defined coefficient of friction μ(total) = 0.12 - 0.18 for high-strength screws (≥ 8.8)

>*The verification of the mentioned minimum requirements is carried out according to the test conditions of ISO/CD 4042:2016, galvanic coatings for fasteners. For dimensions < M5, the above values may deviate downwards.

technical details

Read on Hide
Cr(VI) Note Cr(VI)-free
Flange/washer without flange
Force application Hexagon socket with key guide
Head shape Cylinder head
Installation method Screw into place with tool
Material Steel
Material version 08.8
Risk hydrogen embrittlement
RoHs conformal
Surface zinc-plated, thick-film passivated (VZD)
Thread type Metric thread

Downloads

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 02/2019 121.69 KB / 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
VZD – the Cr(VI)-free alternative: Sustainable surface protection from Böllhoff English 8045/17.02 212.24 KB / PDF
Contact

General questions:
Phone: +421240259430(22)
E-mail:

You come from another country? Here you can find further contact persons.