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BN 20543 3571859 hex head bolt M12x50

  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 55, BN 57, BN 20236, BN 59, BN 21201, BN 61, BN 20543, BN 20544 Hex head bolts partially threaded
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Company
Bossard Catalog
Description
BN 20543 - Hex head bolts partially threaded (DIN 931; ISO 4014), cl. 8.8, zinc plated blue with CresaCoat® C 313 Silver
Bill of material
BN 20543 3571859 hex head bolt M12x50
BNARTNR
Identification
BNNORM1
DIN 931
BNNORM2
ISO 4014
BNMAT
Material
Steel 8.8
BNSURFACE
Surface
zinc plated blue with CresaCoat® C 313 Silver
D
Nominal thread diameter
mm
D3
Nominal 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
LG
Distance from the last full form thread to the bearing face (shank length of bolt) max.
mm
LS
Shank length min.
mm
C
Height of the washer-faced portion (or thickness of the flange or collar) max.
mm
DA
Inner diameter of Auflageflaeche max.
mm
DS
Shank diameter min.
mm
DW
min.
mm
E
Width across corners min.
mm
K
Head height
mm
R
Transition radius under head min.
mm
S
Across-flats-dimension max.
mm
A
Distance
mm
Additional Information
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