Tungsten Carbide Drills-Type A9
Step Twist Drill
116A0
(D1:Φ3.3～Φ14)
| Cutting-Edge Diameter D1 | Shank Diamerer D2 | Screw Thread M | Overall Length L1 | Flute Length L2 | Length of Step L5 |
| 3.3 | 6 | M4 | 66 | 28 | 11.4 |
| 4.2 | 6 | M5 | 66 | 28 | 13.6 |
| 5 | 8 | M6 | 79 | 41 | 16.5 |
| 6.8 | 10 | M8 | 89 | 47 | 21 |
| 8.5 | 12 | M10 | 102 | 55 | 25.5 |
| 10.2 | 14 | M12 | 107 | 60 | 30 |
| 12 | 16 | M14 | 115 | 65 | 34.5 |
| 14 | 18 | M16 | 123 | 73 | 38.5 |
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