Serrated hex flange head cap screws fully threaded
BN 20226
~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(Standard withdrawn)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 with thick layer passivation
 | 
All features
Standard
                        ~DIN 6921 (Standard withdrawn)
                    Features
| 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 with thick layer passivation
 | 
Functional principle
1. Tightening: teeth penetrate the surface
2. Loosening: teeth shear off material
3. Surface condition after loosening
Illustration functional principle
BN 20170 - ~DIN 6921
Serrated hex flange head cap screws fully threaded - Steel - 8.8 - zinc plated blue
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