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similar to ISO 4014 | DIN standard has been withdrawn
DIN 931 | steel | 10.9 | zinc flake | Cr(VI) - free | metric thread | screws can be paired with a 6h tolerance-compliant female thread
Note: Similar to ISO 4014 | DIN-standard has been withdrawn | changed spanner widths for M10, M12, M14 and M22
This standard specifies the characteristics of hexagon head bolts of product grade A and B:
Product grade A = For threads M1,6 to M24 and nominal lengths = 10d or 150 mm, whichever is the shorter
Product grade B = For threads over M24 or nominal lengths > 10d or 150 mm, whichever is the shorter.
Information about the product class can be found in the technical details of the selected article.
Note: Similar to ISO 4014 | DIN-standard has been withdrawn | changed spanner widths for M10, M12, M14 and M22
This standard specifies the characteristics of hexagon head bolts of product grade A and B:
Product grade A = For threads M1,6 to M24 and nominal lengths = 10d or 150 mm, whichever is the shorter
Product grade B = For threads over M24 or nominal lengths > 10d or 150 mm, whichever is the shorter.
Information about the product class can be found in the technical details of the selected article.
Material version:
10.9
Cr(VI) Note:
Cr(VI)-free
Flange/washer:
without flange
Risk hydrogen embrittlement:
Thread type:
Metric thread
Head shape:
Hexagon head
Force application:
Hexagon head
Material:
Steel 10.9
Installation method:
Screw into place with tool
Surface:
zinc flake coating
Product type:
Cap screw with external driving feature
Product group:
Screws
RoHS conformal:
Material:
Steel
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Böllhoff bulletin: Changeover to Cr6+-free protective zinc layers for fasteners
The Manual of fastening Technology: 8th edition
Fastening and assembly technology: Products and services
