similar to ISO 4014 | DIN standard has been withdrawn
DIN 931 | steel | 8.8 | zinc-plated | Cr(VI)-free | metric thread | screws can be paired with a 6h tolerance-compliant female thread
Note: similar to ISO 4014 | DIN-standards has been withdrawn
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Note: similar to ISO 4014 | DIN-standards has been withdrawn
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:
8.8
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 8.8
Installation method:
Screw into place with tool
Surface:
zinc-plated
Product group:
Screws
RoHS conformal:
Material:
Steel
The Manual of fastening Technology: 8th edition
Böllhoff bulletin: Changeover to Cr6+-free protective zinc layers for fasteners
Fastening and assembly technology: Products and services