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A toothed lock washer or serrated washers or star washers are used when there is no scope for movement of fasteners and the tooth like structure on this washer bites into the bearing surfaces. External serrations do not make the product a pleasing sight however, if functionality is what you need then this type of star washer provides more holding power than an internal serrated lock washer due to its larger circumference.
Technical Specifications
According to DIN 6797A
Nominal Thread Diameter Size | d1 | d2 | s1 | ||
Min. | Max. | Max. | Min. | ||
3 | 3.2 | 3.38 | 6 | 5.7 | 0.4 |
3.5 | 3.7 | 3.88 | 7 | 6.64 | 0.5 |
4 | 4.3 | 4.48 | 8 | 7.64 | 0.5 |
5 | 5.3 | 5.48 | 10 | 9.64 | 0.6 |
6 | 6.4 | 6.62 | 11 | 10.57 | 0.7 |
8 | 8.4 | 8.62 | 15 | 14.57 | 0.8 |
10 | 10.5 | 10.77 | 18 | 17.57 | 0.9 |
12 | 13 | 13.27 | 20.5 | 19.98 | 1 |
14 | 15 | 15.27 | 24 | 23.48 | 1 |
16 | 17 | 17.27 | 26 | 25.48 | 1.2 |
18 | 19 | 19.33 | 30 | 29.48 | 1.4 |
20 | 21 | 21.33 | 33 | 32.38 | 1.4 |
Material | Stainless Steel |
---|---|
Cross-section | Flat |
Grade | 304/ A2-70 |
Plating | None |
Standard | DIN 6797A |
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla nibh magna, sollicitudin eget erat condimentum, mollis mattis justo. Vestibulum auctor elementum enim quis sagittis. Cras elementum nisl