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BN 77 2044889 hex head bolt with hex nut M12x55

  1. Bossard Catalog
  3. 01 Fastening technology
  5. 01.100 Standard fastening elements
  7. 01.100.100 Screws
  9. 01.100.100.20 Screws and bolts with external drive
  11. BN 77 Hex head bolts with hex nuts, partially threaded
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Company
Bossard Catalog
Description
BN 77 - Hex head bolts with hex nuts partially threaded (ISO 4016; ~DIN 601; ISO 4034), cl. 4.6 / 6.8, zinc plated blue
Bill of material
BN 77 2044889 hex head bolt with hex nut M12x55
BNARTNR
Identification
BNNORM1
ISO 4016
BNNORM2
~DIN 601
BNNORM3
ISO 4034
BNMAT
Material
Steel 4.6 / 6.8
BNSURFACE
Surface
zinc plated blue
D
Nominal thread diameter
mm
D3
Thread core diameter
mm
P
Thread 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
mm
LG
Distance from the last full form thread to the bearing face (shank length of bolt)
mm
C
Height of the washer-faced portion (or thickness of the flange or collar) max.
mm
DA
Inner diameter of bearing surface max.
mm
DS
Diameter of the unthreaded shank max.
mm
DW
Diameter of the bearing face min.
mm
E
Width across corners min.
mm
K
Head height
mm
KW
min.
mm
R
Transition radius under head min.
mm
S
Across-flats-dimension max.
mm
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