Hexalobular (6 Lobe) socket button head screws fully threaded
BN 6404
~ISO 7380-1
~DIN 34805-1
| Headform | 
            Headform
            Button
 | 
| Drive | 
            Drive
            Hexalobular socket
 | 
| Thread | 
            Thread
            fully threaded
 | 
| Material | 
            Material
            Steel
 | 
| Property class | 
            Property class
            08.8 / 8.8 (The head marking is determining)
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
All features
Standard
                        ~ISO 7380-1
~DIN 34805-1
                    Additional information
Fasteners to the given specification have a reduced loadability due to the head geometry according to ISO 898-1.
Features
| Headform | 
            Headform
            Button
 | 
| Drive | 
            Drive
            Hexalobular socket
 | 
| Thread | 
            Thread
            fully threaded
 | 
| Material | 
            Material
            Steel
 | 
| Property class | 
            Property class
            08.8 / 8.8 (The head marking is determining)
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
BN 13255 - ISO 7380-1
Hex socket button head cap screws partially / fully threaded - Steel - 010.9 - Zinc flake coated ISO 10683/flZnL/nc/480h/C (µ=0.12-0.18)
BN 19 - ISO 7380-1
Hex socket button head cap screws partially / fully threaded - Steel - 010.9 - black
BN 30102 - ISO 7380-1
Hex socket button head cap screws partially / fully threaded - Steel - 010.9 - zinc plated blue