Array
1
Product Overview
The External Tooth Lock Washer is a serrated fastener accessory with teeth extending outward, designed to grip both the fastener head and mating surface. It creates high friction resistance to prevent rotation and loosening in dynamic applications.
Key Features
Outward-facing teeth for strong gripping on fastener heads and surfaces.
High-friction design to resist loosening under vibration and torque.
Provides reliable locking performance in low-profile assembly spaces.
Available in various sizes and materials for diverse fastening needs.
Compatible with standard fastener tools for straightforward installation.
| Size Range | M3–M36 / #4"–1 1/4" (custom sizes available) |
| Standards | DIN 128 / DIN 6797 / ISO 10683 / Nord-lock style optional |
| Type | Serrated lock washer (internal/external tooth) / split lock washer/wedge lock washer |
| Material | Carbon Steel / Spring Steel / Stainless Steel 304 / 316 |
| Surface Finish | Plain / Zinc Plated / Black Oxide / Zinc Flake |
| Hardness | HRC 30–45 (grade-dependent) |
| Operating Temperature | -40°C ~ 250°C (material-dependent) |
| Application | High-vibration environments, automotive, heavy machinery, structural joints |
Applications
Sheet metal fabrication, electrical equipment, automotive assemblies, and industrial machinery are subject to vibration.
