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CAD model selection
Selectable products: 52
Company
Bossard Catalog
Description
BN 21201 - Hex head bolts partially threaded
Bill of material
BN 21201 3640029 hex head bolt M8x40
BNARTNR
Identification
3640029
BNNORM1
DIN 931
BNNORM2
ISO 4014
BNMAT
Material
Steel 8.8
BNSURFACE
Surface
Zinc flake coated ISO 10683/flZnL/nc/480h/C (µ=0.12-0.18)
D
Nominal thread diameter
8.000
 mm
D3
Thread core diameter
6.466
 mm
P
Thread pitch
1.250
 mm
L
Nominal length
40.000
 mm
B
Thread length
22.000
 mm
BX1
B for L <= 125
22.000
 mm
BX2
B for 125<L<=200
28.000
 mm
BX3
B for L > 200
0.000
 mm
LG
Distance from the last full form thread to the bearing face (shank length of bolt) max.
18.000
 mm
LS
Shank length min.
11.750
 mm
C
Height of the washer-faced portion (or thickness of the flange or collar) max.
0.600
 mm
DA
Inner diameter of bearing surface max.
9.200
 mm
DS
Shank diameter min.
7.780
 mm
DW
min.
11.600
 mm
E
Width across corners min.
14.380
 mm
K
Head height
5.300
 mm
R
Transition radius under head min.
0.400
 mm
S
Across-flats-dimension max.
13.000
 mm
A
Distance
3.750
 mm
Preview - Generation
Preview
3D
Dimension
2D