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3/8" 410 Stainless Steel Internal Tooth Lock Washers
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| Finish | Plain |
| Diameter | 3/8" |
| Inside Diameter | 0.398" nom |
| Grade Material | 410 Stainless Steel |
| Specifications Met | ASME B18.21.1 |
| Thickness | 0.040" nom |
| Locking Type | Serrated tooth bite |
| Pattern | Internal Tooth (Star) |
| Outside Diameter | 0.692" nom |
| System | Inch |
Technical Drawing
Not to scale · ASME B18.21.1 · See table for exact dimensions
Technical Dimensions
| Outside Diameter | 0.692" nom |
| Inside Diameter | 0.398" nom |
| Thickness | 0.040" nom |
| Fits Bolt Size | 3/8" |
| Pattern | Internal Tooth (Star) |
| Locking Action | Serrated tooth bite |
Internal tooth lock washer: twisted teeth around the inside edge bite the fastener head and the bearing surface to resist turning. The teeth sit hidden under the head for a neat appearance.
Dimensions conform to ASME B18.21.1 and may vary within specified manufacturing tolerances.
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