D419FT Combined Drill and Chamfer Tool
METRIC
DIN
- 140° Step Drills
- Design for pre-drilling diameter of Metric Thread, and drilling with chamfering 90° at once.
- Good wear resistance and lubricating effect with Nano multilayer coating.
- Application for drilling steels below 48HRC, cast iron...and etc.
Steel < 48HRC
| P | H | M | K | N | S |
|---|---|---|---|---|---|
Work Material
| P | H | M | K | N | ||||
|---|---|---|---|---|---|---|---|---|
| GR1 | GR2 | GR3 | GR4 | GR5 | GR8 | GR9 | GR10 | GR11 |
| Carbon Steel | <24HRC Low-alloyed Steel | <30HRC Hi-alloyed Steel | 30~38HRC Hardened Steel | 38~48HRC Hardened Steel | Stainless Steel | Cast Iron | Aluminium | Copper |
Product Specification
| Thread | L | d | L1 | L2 | D1 |
|---|---|---|---|---|---|
| size | mm | h6 | mm | mm | mm |
| M3 | 66 | 6 | 8.8 | 28 | 2.5 |
| M4 | 66 | 6 | 11.4 | 28 | 3.3 |
| M5 | 66 | 6 | 13.6 | 28 | 4.2 |
| M6 | 79 | 8 | 16.5 | 41 | 5 |
| M8 | 89 | 10 | 21 | 47 | 6.8 |
| M10 | 102 | 12 | 25.5 | 55 | 8.5 |
| M12 | 107 | 14 | 30 | 60 | 10.2 |