Washer M27 DIN 125 A2 140 HV 28
Description
Flat Washer M27 DIN 125 A2 – Stainless Steel, Type A Plain
Flat Washer M27 DIN 125 A2 is a reliable fastening component manufactured from A2 stainless steel. An ideal solution for installers seeking durable, corrosion-resistant components for both outdoor and indoor applications.

Why A2 stainless steel? A2 material (equivalent to AISI 304) provides excellent resistance to rust and atmospheric corrosion, making this washer ideal for long-term use even in the most demanding weather conditions. A hardness of 140 HV ensures high resistance to deformation and even distribution of clamping forces.
Compliance with DIN 125 means standardised dimensions and tolerances, guaranteeing full compatibility with M27 metric bolts and nuts. The washer is reusable and fits all standard M27 bolted connections.
Technical Specifications
- Standard: DIN 125 (equivalent to ISO 7089/7090)
- Size: M27
- Hole diameter (d1): 28 mm
- Material: A2 stainless steel (AISI 304)
- Hardness: 140 HV
- Type: plain flat washer
Applications
- Photovoltaic installations: securing mounting structures and fastening components
- Steel structures: outdoor and indoor bolted connections
- Mechanical engineering: machinery and equipment requiring corrosion resistance
- Agriculture: equipment exposed to moisture and variable weather conditions
- Construction: façade and assembly elements
The function of a washer – increases the bearing surface, protects the joined material from damage, and prevents the connection from loosening. An essential component of every professional bolted joint.
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Technical data
| Thread type | M27 |
| Steel Grade | A2 |
| DIN | DIN 125 |