Hexagonal bolt with shank
DIN 931 steel 10.9 zinc plated thick-layer pass.
SCR-HEX-DIN931-10.9-WS19-(VZD)-M12X55
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Connection elements with galvanised chromium (VI)-free zinc thick-film passivation (VZD) offer a future-proof alternative to surfaces containing chromium (VI). The coating consists of a zinc layer with passivation on a chromium (III) basis.
Overview of advantages:
- Chromium (VI)-free alternative to A2C or A3C
- Thermal capacity up to 120°C
- Even coat distribution
DIN 931 has been withdrawn and replaced by ISO 4014. There is some similarity (nominal dimensions extended | Widths across flats changed for M10, M12, M14 and M22).
Datasheets(X)
 | |
Thread type x nominal diameter (d1) | M12 |
Length (l1) | 55 mm |
Head height (k1) | 8 mm |
External drive (s1) | WS19 |
Standards | DIN 931 |
Material | Steel |
Property class | 10.9 |
Surface | Zinc plated thick-layer passivation |
Corrosion protection period | 264 h |
Head type | Hexagon head |
Drive type | Outer hexagon |
Thread type | Metric thread |
Thread form | Standard metric thread |
Thread design | Partial thread |
Product class | A |
RoHS-compliant | Yes |
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