I’m a China-based Manufacturer, ready to supply the 3-inch-Stainless Steel Internal Tooth Washer to serious buyers like you. When your assemblies demand a firm lock, this washer delivers with its internal teeth gripping into the mating surface, resisting loosening under vibration. Crafted from high-grade stainless steel, it offers excellent corrosion resistance and durability in demanding environments. The 3-inch size fits many bolt patterns, while the internal tooth design reduces play and helps maintain tension over time. I offer direct factory pricing, shorter lead times, and full compliance data for audits—datasheets, tolerances, and chemical composition. Perfect for equipment, automotive, and industrial applications sourced from China. If you’re searching for a dependable component from a trusted Manufacturer, let me know your quantity and I’ll arrange samples and a competitive quote today.
Global buyers seek locking hardware that withstands vibration and harsh environments. A 3-inch stainless steel internal tooth washer provides a robust lock by using teeth on the inside to bite into the clamped surface, preventing loosening under dynamic loads. Stainless steel offers corrosion resistance, keeping performance steady across electrical enclosures, machinery, and outdoor applications. The 3-inch outer diameter fits standard fastener kits while delivering even load distribution. An end-to-end sourcing approach offers more than the part: a dependable supply chain with tight tolerances, consistent alloys (304/316), and controlled finishes. From stamping to packaging, customization is available—tooth count, thickness, hole size, and outer diameter—plus traceability and RoHS compliance. Scalable quantities support pilots to high-volume production, reducing inventory complexity and accelerating time-to-market for secure, long-lasting fastenings.
| Variation | Nominal Size | OD (in) | ID (in) | Tooth Count | Material | Finish | Thickness (in) | Hardness (HRC) | Standard | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|---|
| A | 3 in | 3.000 | 2.500 | 48 | 304 Stainless Steel | Passivated | 0.180 | 20-23 | DIN 6797 Type A | 22 |
| B | 3 in | 3.000 | 2.500 | 48 | 316 Stainless Steel | Polished | 0.150 | 22-25 | DIN 6797 Type B | 18 |
| C | 3 in | 3.000 | 2.500 | 52 | 304 Stainless Steel | Bright | 0.140 | 20-24 | DIN 6797 Type A | 16 |
| D | 3 in | 3.000 | 2.500 | 50 | 316 Stainless Steel | Passivated | 0.165 | 21-25 | DIN 6797 Type B | 21 |
| E | 3 in | 3.000 | 2.500 | 54 | 304 Stainless Steel | Passivated | 0.155 | 19-22 | DIN 6797 Type A | 20 |