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| Customization: | Available |
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| Customized: | Customized |
| Type: | Drill |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Grade | HRC45 | HRC55 | HRC65 | HRC68 |
| Materials | DU20 | MH12S | ZK40SF | GU25UF |
| Details | Grain size: 0.8um Co: 8% Flexural strength: 3800N/mm2 |
Grain size: 0.6um Co:10% Flexural strength: 4100N/mm2 |
Grain size: 0.5um Co: 12% Flexural strength 4300N/mm2 |
Grain size: 0.4um Co:12% Flexural strength: 4300N/mm2 |
| Item | Color | Hardness(HV) | Thickness(UM) | Oxidation Temp.(°C) | Friction Coeffient |
| AlTiN | Black | 3300 | 2.5-3 | 900 | 0.3 |
| TiAlN | Viloet | 2800 | 2.5-3 | 900 | 0.3 |
| TiSiN | Bronze | 3600 | 3 | 1000 | 0.45 |
| AlTiSiN | Blue | 4000 | 4 | 1200 | 0.4 |
| TiN | Gold | 2500 | 2.5-3 | 600 | 0.4 |

5D Solid Carbide Drill
| Diameter | Shank | Overall Length |
| mm | mm | mm |
| 1-2.9 | 4 | 50 |
| 3-4 | 4 | 74 |
| 4.1-6 | 6 | 82 |
| 6.1-8 | 8 | 91 |
| 8.1-10 | 10 | 103 |
| 10.1-12 | 12 | 118 |
| 12.1-14 | 14 | 124 |
| 14.5-16 | 16 | 133 |
| 16.5-17 | 18 | 140 |
| 18 | 20 | 150 |

Q1: ls Changzhou Handerk Precision tools co.,ltd company or factory?