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Hexagonal bolt with flange EN 1665, steel 8.8, zinc-plated, thick-film passivated (ZSML)
EN 1665 steel 8.8 zp thick-layer pass. w. sealing
SCR-HEX-FLG-EN1665-8.8-(ZSML)-M12X25
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Connection elements with galvanised chrome (VI)-free thick-film passivation (ZSML) offer a future-proof alternative compared to surfaces containing chrome(VI). The coating consists of a zinc layer with passivation on a (chrome III) basis and sealing coat (top coat with integrated lubricating particles).
Overview of advantages:
- Higher quality replacement of common galvanised coatings such as A2C or A3C
- Adjusted friction coefficient range from 0.09 μ – 0.14 μ due to top coat with integrated lubricating particles
- Thermal capacity up to 120 °C
- Even layer distribution
- Functional and decorative
ISO EN 1665 replaces DIN 6921 | There is some limited similarity | Some head heights have been changed | Flange diameter is unchanged | Width across flats changed for M10, M12, M14 and M16, M20 | Strength 12.9 omitted | Fine thread omitted.
Datasheets(X)
 | |
Thread type x nominal diameter (d1) | M12 |
Length (l1) | 25 mm |
Head diameter (dc) | 26.6 mm |
Head height (k1) | 11.8 mm |
Standards | EN 1665 |
Material | Steel |
Property class | 8.8 |
Surface | Zinc plated thick-layer passivation |
RoHS-compliant | Yes |
Head type | Hexagon head with flange |
Drive type | Outer hexagon |
External drive (s1) | WS18 |
Thread type | Metric thread |
Pitch | 1.75 mm |
Thread form | Standard metric thread |
Thread design | Full thread |
Thread length (metric thread) | 30 mm |
Product class | A |