Mũi khoan tâm 60 độ YG-1 Korea, YG 1 center drill.
| EDP No. | Drill Diameter | Shank Diameter | Pilot Length | Overall Length |
| Mã EDP | D1 | D2 | L1 | L2 |
| DV301010 | 1.0 | 4.0 | 4.0 | 35 |
| DV301015 | 1.5 | 5.0 | 5.0 | 40 |
| DV301020 | 20.0 | 6.0 | 6.0 | 45 |
| DV301025 | 2.5 | 7.7 | 7.7 | 50 |
| DV301030 | 3.0 | 7.7 | 7.7 | 55 |
| DV301040 | 4.0 | 10.0 | 10.0 | 65 |
| DV301050 | 5.0 | 11.0 | 11.0 | 78 |
