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Products are developed according to the physical properties of sapphire. They can also be used in processing other hard and brittle materials on various machines.
Our products are featured with smooth and high precision drilling，with less chipping than conventional products. The applications are also very wide on processing nearly all hard and brittle materials.
Products can be used on traditional drilling machines, ?CNC center and other equipment.
| Product Code | Diameter(mm) | Inner(mm) | Height(mm) | Seg Thickness(mm) | Thickness(mm） | Useful Length(mm) |
| HFTLCB(21.5-46.5)-A | 21.5-46.5 | 17.5-42.5 | 10 | 2 | 1.1 | 140 |
| HFTLCB(27-49)-A | 27.5-49 | 23.5-45 | 10 | 2 | 1.1 | 170 |
| HFTLCB(18-45)-A | 18-45 | 14-41 | 10 | 2 | 1.1 | 190 |
| HFTLCB(24.5-53)-A | 24.5-53 | 20.5-49 | 10 | 2 | 1.1 | 190 |
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