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Company
Bossard Catalog
Description
BN 1720 - Phillips pan head assembled (SEMs) screws form H, with captive spring lock washer DIN 127 B (DIN 7985; DIN 127 B), 4.8, zinc plated blue
Bill of material
BN 1720 3056338 cross recessed pan head assembled screw M3x12
BNARTNR
Identification
BNNORM1
DIN 7985
BNNORM2
DIN 127 B
BNMAT
Material
Steel 4.8
BNSURFACE
Surface
zinc plated blue
D
Nominal thread diameter
mm
P
Threaded pitch
mm
L
Nominal length
mm
A
Distance from the last full form thread to the bearing face
mm
B
Thread length
mm
DA
max.
mm
DK
Head diameter
mm
K
Head height
mm
R
Transition radius under head
mm
RF
Radius of curvature of the lens head ~
mm
V
~
mm
X
Thread rudiment
mm
M
Wing diameter of cross recesses
mm
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3D
Dimension
2D
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