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HELP_VARIABLE
CNSORDERNO
SC
Serial code
BM31DF
LX
type
Conical spring washers
ZH
load
Heavy load
MAT
texture of material
SS400
ST
surface treatment
turn black
ND
Nominal diameter
DD
d
mm
D
mm
W
w
mm
H
h
mm
AS
Applicable screw
HN
Load (n)
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