Hex socket screw plugs pipe thread
BN 20441 -
with sealing ring
DIN 908
~ČSN 021938
- Polyamide sealing ring fused-on, temperature resistance -40 °C ... +90 °C 
| Headform | 
            Headform
            Cylindrical
 | 
| Drive | 
            Drive
            Hexagon socket
 | 
| Material | 
            Material
            Steel
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
| Version | 
            Version
             with sealing ring | 
All features
Standard
                        DIN 908
~ČSN 021938
                    Product features
- Polyamide sealing ring fused-on, temperature resistance -40 °C ... +90 °C 
Features
| Headform | 
            Headform
            Cylindrical
 | 
| Drive | 
            Drive
            Hexagon socket
 | 
| Material | 
            Material
            Steel
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
| Version | 
            Version
             with sealing ring |