
| 1 | 5 | 3 | 6 | SU | 05 | (C) | – 0850 (S) | ||||||
| A | |||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Type | Shank type | ||
| Code | Description | Code | Description |
| 1 | Forets | 1 | Straight shank |
| 2 | Square shank DIN 10 | ||
| 3 | Double flattened straight shank DIN 1809 | ||
| 5 | Straight shank DIN 6535 HA | ||
| 6 | Weldon shank DIN 6535 HB | ||
| 7 | Whistle Notch shank DIN 6535 HE | ||
| 9 | Morse taper shank | ||
| 1 | 2 |
| Drill type | Tool length | ||
| Code | Description | Code | Description |
| 0 | Twist drill | 1 | DIN 338 |
| 3 | Universal twist drill | 2 | DIN 1897 |
| 4 | NC tapping device | 3 | QJ/ZZQ(TO)01.001.002 |
| 5 | Step drill | 4 | DIN 6537 K |
| 6 | Three-lips drill | 5 | DIN 6539 |
| 7 | Straight flute drill | 6 | DIN 6537 L |
| 8 | Deep hole drill | 7 | Factory standard ZCC-C |
| 8 | Factory standard ZCC-D | ||
| 9 | Factory standard ZCC-E | ||
| 3 | 4 |
| Application | |
| Code | Description |
| SU | Twist drill for general machining |
| SUK | Twist drill for cast iron |
| SL | Twist drill for deep hole drilling |
| SLK | Deep hole drill for cast iron |
| SP | Pilot drill |
| ST | Twist drill for soft steel and stainless steel |
| SH | Twist drill for hardened materials |
| SC | Twist drill for non-ferrous metals and cast iron |
| PA | Three-lips drill for non-ferrous metals and cast iron |
| PC | Straight flute drill for non-ferrous metals and cast iron |
| 5 |