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Company
Bossard Catalog
Description
BN 11 - Hex socket head cap screws fully threaded (DIN 912, ISO 4762), cl. 12.9, zinc plated blue
Bill of material
BN 11 1011928 hex socket head cap screw M2.5x12
BNARTNR
Identification
BNNORM1
DIN 912
BNNORM2
ISO 4762
BNMAT
Material
Steel 12.9
BNSURFACE
Surface
zinc plated blue
D
Nominal thread diameter
mm
D3
Thread core diameter
mm
P
Thread pitch
mm
L
Nominal length
mm
B
Thread length
mm
LS
Shank length min.
0.000 mm
LG
Distance from the last full form thread to the bearing face (shank length of bolt) max.
mm
DK
Head diameter max.
mm
DA
Inner diameter of bearing surface max.
mm
DS
Diameter of the unthreaded shank max.
mm
E
Reduction in diameter at the Hex min.
mm
F
Distance max.
0.510 mm
K
Head height max.
mm
R
Transition radius under head min.
0.100 mm
S
Width across flats
mm
T
Depth of the driving feature min.
mm
V
Chamfer max.
mm
DW
Diameter of the bearing face min.
mm
W
Residual head height min.
mm
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