Material: Low-carbon steel, not hardable. Pre-bored. From a Teeth Number of 90 reinforced (H = 6 mm, see drawing). General dimensions: B1 = 4,5 mm, c = 1,3 mm, r3 = 13 mm. Other dimensions: See the table.
| No. of Teeth | 21 |
|---|---|
| da (mm) | 91,0 |
| d (mm) | 85,22 |
| B (mm) | 10 |
| Weight (g) | 170 |
