Description
Technical data
| Brand | Yato |
| Entity responsible for this product in the EU | |
| Series | GRD |
| Diameter | 4, 5, 6, 8, 9, 10, 12 mm |
| Overall length | 70, 90, 100, 120, 120, 120, 150 mm |
| Working part length | 35, 50, 60, 80, 80, 80, 100 mm |
| Toolholder type | tube-shaped |
| Material | 40Cr |
| Hardness | 47 HRC |
| Blade material | YG8C |
| Tip hardness | 89-90 HRC |
| Drill bit point angle | 130 ˚ |
| Pcs | 7 |
| Application | concrete, silicates, brick |
| Symbol | YT-4390 |



