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HELP_VARIABLE
BNARTNR
Identification
BNNORM1
DIN 561 B
BNMAT
Material
Steel 8.8
BNSURFACE
Surface
black
D
Nominal thread diameter
mm
D3
Nominal core diameter
mm
P
Pitch
mm
L
Nominal length
mm
S
Width across flat
mm
FG
Undercut length
mm
RG
Undercut radius
mm
DP
Diameter of flat
mm
E
Width across corners min.
mm
K
Head height
mm
RA
Radius
mm
R
Transition radius under head min.
mm
Z
Length of point
mm
A
Distance from the last full form thread to the bearing face max.
mm
X
Length of thread run-out
mm
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