Hexagon bolt with thread up to the head DIN 558, steel 4.6, zinc-plated, blue passivated (A2K).
DIN 558 steel 4.6 zinc plated
SCR-HEX-DIN558-4.6-WS13-(A2K)-M8X40
Art.-no. 00818 40
EAN 4046778560489
Register now and access more than 125,000 products
DIN 558 has been withdrawn and replaced by ISO 4018. There is some similarity (nominal dimensions extended | Width across flats changed for M10, M12, M14 and M22 | Strength class 4.8 added).
Datasheets(X)
CAD data (available after login)
![]()  | |
Thread type x nominal diameter (d1)  | M8  | 
Length (l1)  | 40 mm  | 
Head height (k1)  | 5.3 mm  | 
External drive (s1)  | WS13  | 
Standards  | DIN 558  | 
Material  | Steel  | 
Property class  | 4.6  | 
Surface  | Zinc plated  | 
Corrosion protection period  | 48 h  | 
Head type  | Hexagon head  | 
Drive type  | Outer hexagon  | 
Thread type  | Metric thread  | 
Thread form  | Standard metric thread  | 
Thread design  | Full thread  | 
Product class  | C  | 
RoHS-compliant  | Yes  | 
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!
