Overview
An Internal Tooth Washer is a specialized type of lock washer designed to enhance the security and stability of fastened assemblies by preventing loosening due to vibration or torque. This washer features inward-facing teeth that bite into the bearing surface of the fastener and the substrate, creating a firm grip that resists rotation. Manufactured from high-quality materials such as stainless steel, carbon steel, or alloy steel, the Internal Tooth Washer undergoes precise stamping and heat treatment processes to ensure durability and consistent performance. Its design allows for even load distribution while maintaining a compact profile, making it suitable for applications where space constraints and reliable fastening are critical. The Internal Tooth Washer is commonly used in automotive, electrical, and machinery industries where maintaining joint integrity is essential under dynamic conditions.
The Internal Tooth Washer offers several advantages, including excellent resistance to loosening caused by vibration and thermal expansion. Its internal teeth provide a secure locking mechanism without damaging the surface of the fastened components, which is particularly beneficial in delicate assemblies. The washer’s robust construction and corrosion-resistant material options contribute to long service life even in harsh environments. Its compatibility with various bolt sizes and types makes the Internal Tooth Washer a versatile component in fastening solutions. By improving joint reliability and reducing maintenance needs, the Internal Tooth Washer plays a crucial role in enhancing the overall performance and safety of mechanical systems across diverse industrial sectors.
| Product Type | Internal Tooth Washer |
| Head Style | Flat Circular Washer with Internal Teeth |
| Manufacturing Process | Stamping and Forming |
| Thread Type | Not Applicable |
| Common Materials | Carbon Steel, Stainless Steel, Brass |
| Available Sizes | Standard diameters ranging from M3 to M24 |
| Strength Features | Provides excellent locking action by biting into the mating surface to prevent loosening |
| Typical Applications | Used in assemblies requiring vibration resistance and secure fastening, such as automotive, machinery, and electronics |
| Surface Finishes | Zinc Plated, Black Oxide, Plain, Passivated |
| Standards | DIN 6797, ISO 7089 (where applicable) |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Designed to resist loosening caused by vibrations in dynamic applications, ensuring secure fastening over time.
Small internal teeth allow use in tight spaces without compromising locking efficiency.
Available in stainless steel and coated materials for enhanced durability in harsh environments.
Manufactured from high-grade steels to withstand significant mechanical stresses and torque.
Simple to install with standard fasteners, reducing assembly time and costs.
Suitable for automotive, electrical, and industrial machinery fastening needs.
| Product Type | Internal Tooth Washer |
| Thread Type | Compatible with metric threaded fasteners |
| Diameter Range | M3 to M24 |
| Thickness Range | 1 to 6 mm |
| Available Materials | Stainless Steel, Carbon Steel, Alloy Steel |
| Manufacturing Standards | DIN 6798-1, ISO 10673 |
| Surface Finish | Plain, Zinc Plated, Passivated |
| Diameter (M) | Outer Diameter (mm) | Thickness (mm) | Tooth Count |
|---|---|---|---|
| M3 | 6.4 | 1.0 | 12 |
| M6 | 12.0 | 1.5 | 16 |
| M12 | 22.0 | 2.5 | 20 |
| M24 | 44.0 | 4.0 | 28 |
