External use lock washers (also called star washers) have teeth made to bite into the bearing surface. An external tooth lock washer is designed to provide stronger holds than internal-tooth washers as the teeth bite into a larger radius, and are best suited to large screws.
| Type of Washer | Star Washers with internal and external teeth |
| Surface Finish | Zinc Plated |
| Material | Stainless Steel, Mild steel and Brass |
| Color | Black and Silver |
| Packaging Type | Standard |
| Dimension/Size | inch or mm type of dia |
| Inside Diameter | As per requirement |
| Corrosion Resistance | Yes |
| Outer Diameter | As per requirement |
| Packaging Size | Standard |
| Shape | Round |
| Country of Origin | Made in India |