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HELP_VARIABLE
BNARTNR
Identification
BNNORM1
DIN 963 A
BNMAT
Material
Free-cutting steel
BNSURFACE
Surface
plain
D
Nominal thread diameter
mm
D3
Nominal core diameter
mm
P
Pitch
mm
L
Nominal length
mm
DK
Head diameter
mm
A
Distance from the last full form thread to the bearing face
mm
B
Thread length at form with shank
mm
K
Head height max.
mm
N
Width of slot
mm
R
Transition radius under head max.
mm
T
Depth of the driving feature max.
mm
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