Washers INT/EXT Zinc M3 – M20 (Packs of 100)
R9,20
Function & Applications
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Designed to prevent fasteners from loosening, especially in high-vibration environments.
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Internal teeth bite into fastener heads for secure grip, while external teeth engage with surface material for added lock strength.
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Ideal across various industries—automotive, electronics, machinery, and more.
Summary Table
| Feature | Details |
|---|---|
| Type | Internal/External Tooth Lock Washer |
| Finish | Zinc-Plated Steel |
| Sizes Available | M3, M4, M5, M6, M8, M10, M12, M16, M20 |
| Standard Compliance | DIN-style specifications |
| Pack Quantity | 100 washers per size |
| Use Case | Prevents loosening from vibration |
Product Description: Internal/External Tooth Lock Washers – Zinc‑Plated (M3 to M20, Packs of 100)
Overview
Combining the best of both worlds, these internal/external tooth lock washers offer enhanced fastening security. The zinc-plated finish provides reliable corrosion resistance, while the tooth design ensures a firm grip under vibration.
Key Specifications
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Design: Lock washer featuring teeth on both the inner and outer circumference for maximum locking effect.
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Finish: Zinc-plated steel—delivers solid protection against rust and wear.
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Sizes Available: Covers metric sizes M3 through M20, accommodating common bolt diameters.
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Standards: Commonly aligned with DIN standards such as DIN 6797 (star lock washers) for consistency and fit in metric fastenings.
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Packaging: Bulk-packed, 100 units per size, perfect for industrial or professional inventory needs.
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