Description
Our carbide coolant thru drills are designed with internal coolant channels that deliver coolant directly to the cutting edge, reducing heat buildup and enhancing chip evacuation. The TiSiN coating provides superior hardness and wear resistance, ensuring extended tool life and exceptional performance in high-speed drilling. Perfect for overseas importers, wholesalers, and end manufacturers, these carbide coolant thru drills guarantee reliable, high-quality results for your toughest projects.
| d1 (mm) | Length of Cut L3 (mm) | Length of Groove L2 (mm) | d2 (mm) | Overall Length L1 (mm) | Flutes |
| 3.00-3.70 | 17 | 20 | 6 | 62 | 2 |
| 3.80-6.00 | 21 | 24 | 6 | 66 | 2 |
| 6.10-8.00 | 30 | 34 | 8 | 79 | 2 |
| 8.10-10.00 | 43 | 47 | 10 | 89 | 2 |
| 10.10-12.00 | 50 | 55 | 12 | 102 | 2 |
| 12.10-14.00 | 54 | 60 | 14 | 107 | 2 |
| 14.10-16.00 | 59 | 65 | 16 | 115 | 2 |
| 16.10-18.00 | 67 | 73 | 18 | 123 | 2 |
| 18.10-20.00 | 73 | 79 | 20 | 131 | 2 |
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