Product Description
- DIN 125 / ISO 7089 are standard commercial metric flat washers.
- A4 stainless steel is functionally equivalent to 316 grade and is also known as "marine grade".
- Stainless steel significantly improves resistance to tarnishing or corrosion.
- The nominal diameter is the bolt size to use for this flat washer.
- Diameter (Nominal): M20
- Inside Diameter (Nominal): 21mm
- Outside Diameter (Nominal): 37mm
- Thickness (Nominal): 3mm
- Product Class: Washers
- Order: Flat Washers
- Category: Standard Flat Washers
- System of Measurement: Metric
- Brand: Aspen Fasteners®
- Form and Design: Chamfered
- Material: Stainless Steel
- Material Grade: A4 Stainless Steel
- Coating: Uncoated
- Standards and Specifications: DIN 125 Type A / ISO 7089
- A note on our product images: The copyrighted images are schematic representations. These are artistic renderings which may not reflect the exact appearance, proportions and/or relative dimensions of the actual products. For more precise imagery and/or technical references, please contact our customer support team.
Product Videos
Custom Field
Thickness 3mm
System of Measurement Metric
Coating Process Uncoated
Outer Diameter 37mm
Inner Diameter 21mm
Category Standard Flat Washers
Standards and Specifications DIN 125 Type A / ISO 7089
Material A4 Stainless Steel
Diameter/Pitch M20