Hexagon socket screw, flat round head, flange
ISO 7380-2, steel 010.9, zinc-nickel, black (ZNBHL)
ISO 7380-2 010.9 ZNBHL M6X30
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Zinc-plated fasteners with chromium (VI) free black zinc-nickel coating (ZNBHL) are suited for applications at great risk of corrosion. The coating contains a layer of zinc-nickel alloy and an insulating coating (surface coating containing lubrication flakes).
Corrosion resistance:
- Diameter ≥ M2 – 360 h*
- Diameter ≥ M4 – 480 h*
- Diameter ≥ M10 – 720 h*
- *No base metal corrosion in threadless parts in salt-spray tests as per DIN EN ISO 9227 NSS.
Benefits:
- Up to 720 h corrosion resistance against base metal corrosion as per DIN EN ISO 9227-NSS
- Chromium (VI) free
- The surface coat with lubrication flakes has a friction coefficient range of 0.09–0.14 μ.
- Heat capacity up to 120 °C
- Even coating distribution
- Functional, glossy surface
Due to the shape of the head, the screws can only tolerate limited stress; see DIN EN ISO 898-1.
Datasheets(X)
 | |
Thread type x nominal diameter (d) | M6 |
Length (l) | 30 mm |
Head diameter (d) | 13.6 mm |
Head height (k) | 3.3 mm |
Internal drive | HS4 |
Standards | ISO 7380-2 |
Material | Steel |
Property class | 010.9 |
Surface | Zinc nickel black |
Head type | Button head with collar |
Head details | With collar |
Drive type | Hexagon socket |
Thread type | Metric thread |
Thread form | Standard metric thread |
RoHS-compliant | Yes |
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