Hex head tapping screws with cone end type C and captive washer
BN 30907
~DIN 7976 C
(Standard withdrawn)
~ISO 1479
| Headform | 
            Headform
            Hexagon
 | 
| Drive | 
            Drive
            Hexagon
 | 
| Thread | 
            Thread
            fully threaded
 | 
| Brandtype | 
            Brandtype
            Opel
 | 
| Material | 
            Material
            Steel
 | 
| Material execution | 
            Material execution
            case-hardened
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
| Hardness | 
            Hardness
            450 HV
 | 
All features
Standard
                        ~DIN 7976 C (Standard withdrawn)
~ISO 1479
                    Features
| Headform | 
            Headform
            Hexagon
 | 
| Drive | 
            Drive
            Hexagon
 | 
| Thread | 
            Thread
            fully threaded
 | 
| Brandtype | 
            Brandtype
            Opel
 | 
| Material | 
            Material
            Steel
 | 
| Material execution | 
            Material execution
            case-hardened
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
| Hardness | 
            Hardness
            450 HV
 | 
Warnings
ISO 4042
Quenched and tempered fasteners ≥ 360 HV and tempered case-hardened fasteners with electroplated coatings: Susceptible to hydrogen embrittlement!
Further notice to residual risks can be found on our web page: Notes on use