| Features: |
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1. Micro diameter and 140° drill point angle design, widely used in copper,aluminum, general steel, and high-hardness materials.
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2. 5D flutes length design with full range of specification. The minimum diameter is 0.5mm.
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| Working Materials Hardness Level: Good at copper, aluminum, general steel and high-hardness materials (HRc 48~62). |
Applicable Milling Methods:  Drilling |
Applicable Coolant Ways: Emulsion Machining  Oil Machining |
| Type No. | Diameter | Flute Length | O.A.L. | Shank Dia. |
|---|---|---|---|---|
| D1 | L1 | L3 | D2 | |
| DBM005 | 0.5 | 10 | 50 | 3 |
| DBM006 | 0.6 | 10 | 50 | 3 |
| DBM007 | 0.7 | 10 | 50 | 3 |
| DBM008 | 0.8 | 10 | 50 | 3 |
| DBM009 | 0.9 | 10 | 50 | 3 |
| DBM010 | 1.0 | 10 | 50 | 3 |
| DBM011 | 1.1 | 20 | 50 | 3 |
| DBM012 | 1.2 | 20 | 60 | 3 |
| DBM013 | 1.3 | 20 | 60 | 3 |
| DBM014 | 1.4 | 20 | 60 | 3 |
| DBM015 | 1.5 | 20 | 60 | 3 |
| DBM016 | 1.6 | 20 | 60 | 3 |
| DBM017 | 1.7 | 20 | 60 | 3 |
| DBM018 | 1.8 | 20 | 60 | 3 |
| DBM019 | 1.9 | 20 | 60 | 3 |
| DBM020 | 2.0 | 20 | 60 | 3 |
| DBM021 | 2.1 | 28 | 66 | 3 |
| DBM022 | 2.2 | 28 | 66 | 3 |
| DBM023 | 2.3 | 28 | 66 | 3 |
| DBM024 | 2.4 | 28 | 66 | 3 |
| DBM025 | 2.5 | 28 | 66 | 3 |
| DBM026 | 2.6 | 28 | 66 | 3 |
| DBM027 | 2.7 | 28 | 66 | 3 |
| DBM028 | 2.8 | 28 | 66 | 3 |
| DBM029 | 2.9 | 28 | 66 | 3 |
| DBM030 | 3.0 | 28 | 66 | 3 |