Hexagonal bolt with thread up to the head
ISO 4017 steel 10.9 zinc-nickel silver (ZNSHR)
SCR-HEX-ISO4017-10.9-WS30-ZNSHR-M20X70
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Connection elements with a galvanised chromium (VI)-free zinc-nickel coating are suitable for applications with a high risk of corrosion. The coating comprises a zinc-nickel alloy layer and a sealing coat (top coat with integrated lubricating particles).
Overview of advantages:
- Corrosion resistance of up to 720 hrs to base metal corrosion in accordance with DIN EN ISO 9227 NSS
- Adjusted friction coefficient range of 0.12 μ–0.18 μ due to top coat with integrated lubricating particles, thermal capacity up to 120°C
- Even coat distribution
- Functional and decorative
ISO 4017 replaces DIN 933 | There is some compatibility | Nominal size extended | Widths across flats for M10, M12, M14 and M22 changed.
 | |
Thread type x nominal diameter (d1) | M20 |
Length (l1) | 70 mm |
Head height (k1) | 12.5 mm |
External drive (s1) | WS30 |
Standards | ISO 4017 |
Material | Steel |
Property class | 10.9 |
Surface | Zinc nickel silver |
Corrosion protection period | 720 h |
Head type | Hexagon head |
Drive type | Outer hexagon |
Thread type | Metric thread |
Product class | A |
RoHS-compliant | Yes |
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