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.
- 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.
- Diameter (Nominal): M4
- Diameter (Dimension): 4mm
- Inside Diameter (Nominal): 4.1mm
- Outside Diameter (Nominal): 7.6mm
- Thickness (Nominal): 0.9mm
- Product Class: Washers
- Order: Lock Washers
- Category: Helical Spring Lock Washers
- System of Measurement: Metric
- Brand: Aspen Fasteners®
- Material: Stainless Steel
- Material Grade: A4 Stainless Steel
- Coating: Uncoated
- Standards and Specifications: DIN 127 Type B
- NB: Product images are copyrighted artistic representations which may not reflect the product's exact appearance, proportions and/or relative dimensions.
Product Videos
Custom Field
Material A4 Stainless Steel
Coating Process Uncoated
System of Measurement Metric
Diameter/Pitch M4
Category Helical Spring Lock Washers
Inner Diameter 4.1mm
Thickness 0.9mm
Outer Diameter 7.6mm
Standards and Specifications DIN 127 Type B