Bit butang tujuh gigi
Ciri dan parameter
| 7 gigi tirus bit | ||||
| Penerangan | Diameter (mm) | Panjang (mm) | lubang air | Berat lebih kurang (kg) |
| Darjah tirus a=7° Diameter lubang dalam d=22mm,24mm
| 32 | 55 | 3 | 0.2 |
| 34 | 60 | 3 | 0.23 | |
| 36 | 65 | 3 | 0.3 | |
| 38 | 73 | 2 | 0.37 | |
| 40 | 67 | 3 | 0.37 | |
| 42 | 73 | 2 | 0.4 | |
| 9 gigi tirus bit | ||||
| Penerangan | Diameter (mm) | Panjang (mm) | lubang air | Berat lebih kurang (kg) |
| Darjah tirus a=7° Diameter lubang dalam d= 22mm,24mm
| 44 | 87 | 4 | 0.63 |
| 48 | 85 | 4 | 0.65 | |
| 50 | 85 | 3 | 0.73 | |
| 53 | 80 | 3 | 0.84 | |
