External Tooth Washers – High-Grip Locking Solution for Secure Fastening

External Tooth Washers are specially designed locking washers with serrated teeth on the outer edge. These teeth bite into the mating surface and fastener head, providing superior grip and preventing loosening caused by vibration, torque, or movement. They are widely used in electrical, automotive, and industrial applications where strong, reliable fastening is required.

🔩 Key Features:

External serrations for maximum surface grip

Excellent vibration resistance

Prevents nut and bolt loosening

Corrosion-resistant finishes available

Easy installation and long service life

⚙️ Applications:

Automotive assemblies

Electrical panels and grounding connections

Machinery and equipment

HVAC systems

Construction and fabrication projects

🛠 Material Options:

Carbon Steel

Stainless Steel (SS 304 / SS 316)

Brass

Phosphor Bronze

📏 Available Sizes & Finishes:

Standard and custom sizes

Zinc plated

Nickel plated

Natural / Plain finish

Our external tooth washers are manufactured with precision to ensure consistent locking performance and durability. Ideal for high-vibration environments, they provide strong electrical conductivity and secure fastening in critical assemblies.

Choose our premium-quality external tooth washers for dependable, long-lasting fastening performance.
Feb 25th, 2026 11:46 AM

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