Hexagonal nut, low profile DIN 439, steel 04/05, zinc-plated, blue passivated (A2K)
DIN 439 steel zinc plated
NUT-HEX-DIN439-B-04-WS30-(A2K)-M20
Register now and access more than 125,000 products
DIN 439 shape B has been withdrawn and replaced by ISO 4035. There is some similarity (strength classes for stainless steels changed from 50 to 025 and from 70 to 035) | Widths across flats changed for M10, M12, M14, M22 | Nominal diameter M1.8 removed | Only standard thread is included in ISO 4035.| Fine thread was moved to ISO 8675.
Datasheets(X)
CAD data (available after login)
![]() | |
Thread type x nominal diameter (D) | M20 |
Height (m1) | 10 mm |
External drive (s1) | WS30 |
Standards | DIN 439 |
Material | Steel |
Property class | 04 |
Surface | Zinc plated |
Drive type | Outer hexagon |
Thread type | Metric thread |
Thread form | Standard metric thread |
RoHS-compliant | Yes |