Sechskantschrauben mit Schaft
BN 57
DIN 931
(Standard withdrawn)
ISO 4014
~UNI 5737
~ČSN 021101
| Headform | 
            Headform
            Hexagon
 | 
| Drive | 
            Drive
            Hexagon
 | 
| Thread | 
            Thread
            partially threaded
 | 
| Material | 
            Material
            Steel
 | 
| Property class | 
            Property class
            8.8
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
All features
M10; M12; M14; M22: wrench size according to ISO on request
Standard
Additional information
Features
| Headform | 
            Headform
            Hexagon
 | 
| Drive | 
            Drive
            Hexagon
 | 
| Thread | 
            Thread
            partially threaded
 | 
| Material | 
            Material
            Steel
 | 
| Property class | 
            Property class
            8.8
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
Assembly notice
BN 20236 - DIN 931 - ISO 4014
Hex head bolts partially threaded - Steel - 8.8 - zinc plated with thick layer passivation
BN 20543 - DIN 931 - ISO 4014
Hex head bolts partially threaded - Steel - 8.8 - zinc plated blue with CresaCoat® C 313 Silver
BN 21201 - DIN 931 - ISO 4014
Hex head bolts partially threaded - Steel - 8.8 - Zinc flake coated ISO 10683/flZnL/nc/480h/C (µ=0.12-0.18)
BN 59 - DIN 931 - ISO 4014
Hex head bolts partially threaded - Steel - 8.8 - zinc plated yellow