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Company
Bossard Catalog
Description
BN 20737 - Hex socket head cap screws with low head and pilot recess, partially / fully threaded (DIN 6912), cl. 08.8 / 8.8, zinc plated blue
Bill of material
BN 20737 3752561 hex socket head cap screw M5x30
BNARTNR
Identification
BNNORM1
DIN 6912
BNMAT
Material
Steel 08.8 / 8.8
BNSURFACE
Surface
zinc plated blue
D
Nominal thread diameter
mm
D3
Thread core diameter
mm
P
Thread pitch
mm
L
Nominal length
mm
LG
Distance from the last full form thread to the bearing face (shank length of bolt) max.
mm
LS
Shank length min.
mm
B
Thread length
mm
BX1
B for L <= 125
mm
BX2
B for 125<L<=200
mm
BX3
B for L > 200
0.000 mm
DK
Head diameter
mm
DA
Inner diameter of bearing surface max.
mm
DH
Key leadership diameter min.
mm
DS
max.
mm
DW
Diameter of the bearing face
mm
E
min.
mm
F
Max transition.
mm
K
Head height max.
mm
R
Transition radius under head min.
mm
S
Width across flats
mm
T
Depth of the driving feature
mm
T1
Depth / key leaders min.
mm
V
Chamfer max.
mm
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