M12 Hex Nut DIN 934 – A2-70 Stainless Steel for PV Installations
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Description
M12 Hex Nut DIN 934 – A2-70 Stainless Steel for PV Installations

M12 hex nut DIN 934 made from A2 (1.4301) stainless steel in strength class A2-70 is a reliable fastening component designed for photovoltaic installations and structures exposed to weather conditions. Austenitic grade 304 stainless steel provides exceptional corrosion resistance thanks to the nickel content in the alloy, ensuring long-lasting bolted connections even in demanding outdoor environments. Compliance with the DIN 934 standard guarantees full interchangeability and compatibility with M12 metric bolts used in PV mounting systems. The A2-70 marking, engraved on the nut, allows for quick identification on site.
Why use A2 stainless steel nuts in solar installations
- A2 austenitic stainless steel is non-magnetic, flexible and resistant to mechanical stress
- Excellent resistance to atmospheric corrosion — ideal for outdoor roof and ground-mounted installations
- Compliance with DIN 934 ensures universal fit with M12 bolts from various manufacturers
- Suitable for all environmental conditions, including exposure to rain, snow and UV radiation
Technical data
| Thread type | M12 |
| Steel Grade | A2 |
| DIN | DIN 934 |