DIN 931
similar to ISO 4014

Hexagon head bolts

hexagon head | with body
Material: Steel 8.8 | Surface: bright | Flange/washer: without flange | Thread type: Metric thread | Head shape: Hexagon head | Force application: Hexagon head | Material: Steel 8.8 | Installation method: Screw into place with tool | Surface: bright | Product group: Screws
similar to ISO 4014 | DIN standard has been withdrawn
Art.no.: 9318.810170
DIN 931 | steel | 8.8 | bright | 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Note: similar to ISO 4014 | DIN-standards has been withdrawn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.
b l up to 125:
26
b l up to 200:
32
b l longer than 200:
45
c max.:
0,6
c min.:
0,15
Diameter (d):
M10
da max.:
11,2
ds max.:
10
dw min. A:
14,63
dw min. B:
14,47
e min. A:
17,77
e min. B:
17,59
ECLASS 7.1:
23110101
k max. A:
6,58
k max. B:
6,69
k min. A:
6,22
k min. B:
6,11
Length (l):
170
l max. B:
172
l min. B:
168
Material:
Steel 8.8
DIN/ISO:
DIN 931
Surface:
bright
Pitch (P):
1,5
Product grade:
B
r min.:
0,4
s max.:
17
s min. A:
16,73
Packaging unit (pcs.):
50
Tool size:
SW 17
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
Installation method:
Screw into place with tool
Product type:
Cap screw with external driving feature
Product group:
Screws
RoHS conformal:
Material:
Steel
Böllhoff bulletin: Changeover to Cr6+-free protective zinc layers for fasteners
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