Round head screw with square neck
DIN 603, steel 8.8, zinc-nickel silver (ZNSHR)
SCR-MHD-DIN603-8.8-(ZNSHR)-M8X20
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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
Datasheets(X)
 | |
Thread type x nominal diameter (d1) | M8 |
Length (l1) | 20 mm |
Material | Steel |
Property class | 8.8 |
Surface | Zinc nickel silver |
Head diameter (dk) | 20.65 mm |
Head height (k1) | 4.88 mm |
Square width (V) | 8.58 mm |
Square height (f) | 5.6 mm |
Standards | DIN 603 |
RoHS-compliant | Yes |
Head type | Cup head square neck |
Thread type | Metric thread |
Pitch | 1.25 mm |
Shank diameter | 8 mm |
Product class | C |
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