تفصیل
Introducing the General Performance TiSiN Coated Metric 3D Tungsten Carbide Twist Drill Bits for Steel, crafted by our top-tier Chinese factory for overseas importers, wholesalers, and end manufacturers. These drill bits feature a Titanium Silicon Nitride (TiSiN) coating that enhances hardness, wear resistance, and heat resistance, making them ideal for high-speed drilling in various steel types.
| کٹ dia.(mm) | Length of Cut L3 (mm) | Length of Groove L2 (mm) | شینک دیا (ملی میٹر) | Overall Length L1 (mm) | بانسری |
| 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 |
جائزے
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