BFL - Tungsten Carbide Twist Drill - Good material - High quality and competitive price
BFL - Tungsten Carbide Twist DrillWe make different size carbide drill bits. Our carbide drill bits are made of 2 kinds of materials, K10 & K15, the hardness of K15 is better than K10. So before you place an order for the carbide drill bits, please assure your drill sizes and hardness.
We also custom-made non-standard products. If you're interested in our products, please send drawing, specification or detail size to us. We will try our best to give you our best service.
Here are some detail sizes of our carbide drill bits as below.
| Outside diameter(D) | Overall length(L) | Flute length(l) |
| 0.5-0.7 | 30 | 6 |
| 0.8-0.9 | 30 | 8 |
| 1.0-1.1 | 30 | 10 |
| 1.2-1.4 | 35 | 12 |
| 1.5-1.7 | 35 | 16 |
| 1.8-1.9 | 40 | 16 |
| 2-2.4 | 40 | 18 |
| 2.5-3.0 | 40 | 20 |
| 3.1-3.9 | 50 | 25 |
| 4-5 | 50 | 28 |
| 5.1-6 | 60 | 30 |
| 6.1-7 | 60 | 32 |
| 7.1-11 | 70 | 38 |
| 11.1-12 | 70 | 38 |
| 12.1-14 | 80 | 40 |
| 16 | 80 | 45 |
Solid Carbide Twist Drill
