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详细介绍
Application: General purpose.
cutting tool material： HSS
Standard/Norm：DIN 344
Type：N (core drill)
shank：tang
| d1 mm | l1 mm | l2 mm | Min. | Ordering |
| h8 | pre-drill- | code | ||
| Ø | E1111... | |||
| 4.8 | 108 | 74 | 3.5 | ...-4.8 |
| 5 | 108 | 74 | 3.5 | ...-5 |
| 5.8 | 116 | 80 | 4.2 | ...-5.8 |
| 6 | 116 | 80 | 4.2 | ...-6 |
| 6.8 | 133 | 93 | 4.9 | ...-6.8 |
| 7 | 133 | 93 | 4.9 | ...-7 |
| 7.8 | 142 | 100 | 5.6 | ...-7.8 |
| 8 | 142 | 100 | 5.6 | ...-8 |
| 8.8 | 151 | 107 | 6.3 | ...-8.8 |
| 9 | 151 | 107 | 6.3 | ...-9 |
| 9.8 | 162 | 116 | 7 | ...-9.8 |
| 10 | 162 | 116 | 7 | ...-10 |
| 10.75 | 173 | 125 | 7.7 | ...-10.75 |
| 11 | 173 | 125 | 7.7 | ...-11 |
| 11.75 | 184 | 134 | 8.4 | ...-11.75 |
| 12 | 184 | 134 | 8.4 | ...-12 |
| 12.75 | 184 | 134 | 9.1 | ...-12.75 |
| 13 | 184 | 134 | 9.1 | ...-13 |
| 13.75 | 194 | 142 | 9.8 | ...-13.75 |
| 14 | 194 | 142 | 9.8 | ...-14 |
| 14.75 | 202 | 147 | 10.5 | ...-14.75 |
| 15 | 202 | 147 | 10.5 | ...-15 |
| 15.75 | 211 | 153 | 11.2 | ...-15.75 |
| 16 | 211 | 153 | 11.2 | ...-16 |
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