bossard washers, DIN 6798A zink
Manufacturer
BOSSARD
Type of spacer
washer
Kind of washer
externally serrated
DIN standard
DIN 6798A
BN standard
BN 781
Material
spring steel
Plating material
zinc
Symbol
Thread
Internal diameter
Outside diameter
[mm]
[mm]
B2.5/BN781
M2,5
2.7
5.5
B3/BN781
M3
3.2
6
B4/BN781
M4
4.3
8
B5/BN781
M5
5.3
9
B6/BN781
M6
6.4
11
B7/BN781
M7
7.4
12.5
B8/BN781
M8
8.4
15
B10/BN781
M10
10.5
18
B20/BN781
M20
21
33
Symbol
Height
[mm]
B2.5/BN781
0.4
B3/BN781
0.4
B4/BN781
0.5
B5/BN781
0.5
B6/BN781
0.7
B7/BN781
0.8
B8/BN781
0.8
B10/BN781
0.9
B20/BN781
1.4