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Product Overview
The Internal Tooth Lock Washer features teeth oriented inward, making it ideal for use with small-diameter fasteners and applications requiring a low-profile appearance. Its serrated design bites into the fastener and surface to prevent rotational loosening.
Key Features
Inward-facing teeth optimized for use with smaller fastener sizes.
Low-profile design suitable for applications with space constraints.
Creates strong friction to resist loosening from vibration and torque.
Available in various materials and finishes for corrosion protection.
Easy to install with standard tools for efficient assembly processes.
| 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
Electronic devices, small equipment assemblies, furniture manufacturing, and precision machinery.
