Hexalobular-type cheese head screw, low head ISO 14580, steel, strength class 8.8, zinc-nickel-plated, silver (ZNSHL)
ISO 14580 steel 8.8, zinc-nickel
SCR-CYL-ISO14580-8.8-TX20-(ZNSHL)-M4X12
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Fasteners with a zinc-plated chromium (VI)-free zinc-nickel silver coating (ZNSHL) 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).
Corrosion resistance:
- Diameter ≥ M2 – 360h*
- Diameter ≥ M4 – 600h*
- Diameter ≥ M10 – 720h*
- *No base metal corrosion at points without thread in salt spray mist testing according to DIN EN ISO 9227 NSS
Overview of advantages:
- Corrosion resistance of up to 720 hours against base metal corrosion in accordance with DIN EN ISO 9227 NSS
- Chromium(VI)-free
- Adjusted friction coefficient range from 0.09μ - 0.14μ due to top coat with integrated lubricating particles
- Thermal capacity up to 120°C
- Even coating distribution
- Functional and decorative
Increase in assembly productivity
When elements are joined using hexalobular (TX) fasteners, the force is transmitted over a large surface area across the flanks of the drive rather than being centred on one point, as is the case with hexagon socket drives, for example. This has a number of advantages:
- Reduced tool wear
- Tool does not slip because force is distributed optimally
- No damage to surface coating
- No wobbling
- Screw locates securely
Hexalobular drives must comply with DIN EN ISO 10664
- As a result, connection elements with hexalobular heads are standardised and can be used all over the world
Datasheets(X)
 | |
Thread type x nominal diameter (d1) | M4 |
Length (l1) | 12 mm |
Head diameter (dk) | 7 mm |
Head height (k1) | 3.1 mm |
Standards | ISO 14580 |
Material | Steel |
Property class | 8.8 |
Surface | Zinc nickel silver |
RoHS-compliant | Yes |
Corrosion protection period | 600 h |
Head type | Socket low head |
Drive type | Internal hexalobular |
Internal drive | TX20 |
Thread type | Metric thread |
Pitch | 0.4 mm |
Thread form | Standard metric thread |
Thread design | Full thread |
Thread length (metric thread) | 12 mm |
Product class | A |
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