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): M4
- Diameter (Dimension): 4mm
- Inside Diameter (Nominal): 4.1mm
- Outside Diameter (Nominal): 7mm
- Thickness (Nominal): 1.2mm
- 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
Diameter/Pitch M4
Standards and Specifications DIN 7980
Coating Process Uncoated
Material A2 Stainless Steel
Thickness 1.2mm
Inner Diameter 4.1mm
Outer Diameter 7mm
System of Measurement Metric
Category Helical Spring Lock Washers