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HELP_VARIABLE
BNARTNR
Identification
BNNORM1
DIN 603
BNNORM2
DIN 555 / DIN 934
BNMAT
Material
Steel 4.6 / 4.8
BNSURFACE
Surface
zinc plated blue
D
Nominal thread diameter
mm
D3
Nominal core diameter
mm
P
Pitch
mm
L
Nominal length
mm
B
Thread length
mm
BX1
B for L <= 125
mm
BX2
B for 125<L<=200
mm
BX3
B for L > 200
mm
LS
Shank length min.
mm
LG
Distance from the last full form thread to the bearing face (shank length of bolt) max.
mm
DK
Head diameter max.
mm
DS
Diameter of the unthreaded shank max.
mm
C
Height of the washer-faced portion (or thickness of the flange or collar) max.
mm
K
Head height max.
mm
RF
Radius of curvature of the lens head ~
mm
R
Transition radius under head max.
mm
R1
max.
mm
V
max.
mm
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