Sechskantschrauben mit Flansch und Verzahnung ohne Schaft
BN 20170
~DIN 6921
(Standard withdrawn)
| Headform |
Headform
Hexagonal with flange
|
| Drive |
Drive
Hexagon
|
| Thread |
Thread
fully threaded
|
| Material |
Material
Steel
|
| Property class |
Property class
8.8
|
| Surface |
Surface
zinc plated blue
|
Tutte le caratteristiche
Standard
~DIN 6921 (Standard withdrawn)
Caratteristiche
| Headform |
Headform
Hexagonal with flange
|
| Drive |
Drive
Hexagon
|
| Thread |
Thread
fully threaded
|
| Material |
Material
Steel
|
| Property class |
Property class
8.8
|
| Surface |
Surface
zinc plated blue
|
Functional principle
1. Tightening: teeth penetrate the surface
2. Loosening: teeth shear off material
3. Surface condition after loosening
Illustration functional principle
BN 20226 - ~DIN 6921
Serrated hex flange head cap screws fully threaded - Steel - 8.8 - zinc plated with thick layer passivation
BN 80007 - ~DIN 6921
Serrated hex flange head cap screws fully threaded - Steel - 8.8 - zinc plated yellow
BN 9727
VERBUS RIPP® - Ribbed hex flange head cap screws - Steel - 100 - zinc flake coated GEOMET® 500 A