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BN 645 1242962 round head square neck bolt M8x70

  1. Bossard Catalog
  3. 01 Fastening technology
  5. 01.100 Standard fastening elements
  7. 01.100.100 Screws
  9. 01.100.100.90 Other screws and bolts
  11. BN 645, BN 31107 Round head square neck bolts without hex nuts
CAD model selection
HELP_VARIABLE
BNARTNR
Identification
BNNORM1
DIN 603
BNMAT
Material
Stainless steel A2
D
Nominal thread diameter
mm
D3
Thread core diameter
mm
P
Threaded 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 min.
mm
LG
Distance from the last full form thread to the bearing face (shank length of bolt) max.
mm
DK
Head diameter max.
mm
DS
Diameter of the unthreaded shank max.
mm
C
Height of the washer-faced portion (or thickness of the flange or collar) max.
mm
K
Head height max.
mm
RF
Radius of curvature of the lens head ~
mm
R
Transition radius under head max.
mm
R1
max.
mm
V
max.
mm
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Dimension