Product Description
- Helical spring lock washers are the most common washers used to prevent components from loosening.
- When compressed, the lock washer will twist and flatten. This prevents loosening.
- A2 stainless steel is functionally equivalent to 304 grade, also known as 18-8 stainless steel.
- Stainless steel significantly improves resistance to tarnishing or corrosion.
- Diameter (Nominal): M20
- Diameter (Dimension): 20mm
- Inside Diameter (Nominal): 20.2mm
- Outside Diameter (Nominal): 30.6mm
- Thickness (Nominal): 4.5mm
- Product Class: Washers
- Order: Lock Washers
- Category: Helical Spring Lock Washers
- System of Measurement: Metric
- Brand: Aspen Fasteners®
- Form and Design: High Collar
- Material: Stainless Steel
- Material Grade: A2 Stainless Steel
- Coating: Uncoated
- Standards and Specifications: DIN 7980
- 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
Category Helical Spring Lock Washers
Coating Process Uncoated
Diameter/Pitch M20
Standards and Specifications DIN 7980
System of Measurement Metric
Material A2 Stainless Steel
Inner Diameter 20.2mm
Outer Diameter 30.6mm
Thickness 4.5mm