Hex head bolts partially threaded
BN 20543
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(Standard withdrawn)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 with CresaCoat® C 313 Silver
 | 
All features
All prices are based on the minimum order quantity. If you have any questions or special requirement, please contact Bossard.
M10; M12: wrench size according to ISO on request
Standard
Additional information
CresaCoat® dry coating is a non-electrolytically applied, thin coating with integrated lubricating properties and additional corrosion protection. Certificate is available on request for specific properties such as friction coefficients. For fasteners with a tribological coating, it is essential to clarify the requirements in advance, in particular a validation of the friction values is required for nominal dimensions > M12!
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 with CresaCoat® C 313 Silver
 | 
Assembly notice
BN 20541 - DIN 933 - ISO 4017
Hex head screws fully threaded - Steel - 8.8 - zinc plated blue with CresaCoat® C 313 Silver
BN 20542 - DIN 933 - ISO 4017
Hex head screws fully threaded - Steel - 8.8 - zinc plated blue with CresaCoat® C 307 Black
BN 20544 - DIN 931 - ISO 4014
Hex head bolts partially threaded - Steel - 8.8 - zinc plated blue with CresaCoat® C 307 Black
BN 57 - DIN 931 - ISO 4014
Hex head bolts partially threaded - Steel - 8.8 - zinc plated blue