Din — 509e06x02 Exclusive
The designation DIN 509 E 0.6x0.2 refers to a specific type of relief groove (undercut) according to the German technical standard
Drawing Callout: On a professional blueprint, you would see it labeled as Undercut DIN 509 – E 0.6 x 0.2. Forms and dimensions of undercuts din 509e06x02 exclusive
| Your need | Modern replacement |
|-----------|--------------------|
| Same appearance + slightly better corrosion | ISO 2081 – Fe/Zn 5c or 8c |
| Higher corrosion resistance | ISO 2081 – Fe/Zn 8c2 (yellow) or Fe/Zn 12c2 |
| RoHS compliance (hexavalent chrome free) | Trivalent blue passivation – e.g., Fe/Zn 8c (trivalent) |
| Automotive-grade | ASTM F1941 – Fe/Zn 6C (Type VI – blue) | The designation DIN 509 E 0
: In technical drawings, you can represent this either in full detail with all dimensions or as a simplified callout: Undercut DIN 509 – E 0.6 x 0.2 Grinding Allowances Bright nickel with sulfur-containing organics
Applications: Where to Find DIN 509E06X02 Exclusive
Because this is a thin, high-performance code, you will not find it on ship anchors or bridge girders. Instead, look for it in these engineered niches:
Step 4: Bright Nickel + Seal (The "Exclusive" Step)
- Bright nickel with sulfur-containing organics. Thickness: 2–2.5µm.
- Proprietary step: Introduction of a nickel seal bath containing sub-micron silica or PTFE particles. These particles embed in the nickel, creating nucleation sites for pores.
- Current is interrupted briefly (0.1 seconds off, 1 second on) to encourage particle entrapment.
After conducting research, I found that "DIN 509 E06 X02" appears to be a German standard (DIN) related to a specific type of industrial coating or surface treatment.
, this specific size is typically recommended for workpieces with a diameter range of 10mm to 18mm Specification Form E (Single surface) Applicable Diameters Standard Roughness (unless specified otherwise) Why Use an E0.6x0.2 Undercut?
 
 
