Carbide twist drill bits
| 1.Profile:Fully ground from solid material | ||||
| 2.Material:HSS 4341,9341,M2,M35 | ||||
| 3..Surface finishing: Black,Black&white,Rainbow,Titanium coated | ||||
| *Surface finishing will highly improve the drill bit’s life span. | ||||
| 4.Sharp tipped with good centering | ||||
| 5.Fast drilling in hard alloys&long life,Can be Re-Sharpened several times. | ||||
| 6.Fine heat treatment for the whole body | ||||
| 8.Superior Hardness due to Tungsten and Molybdenum base | ||||
| 9.fixed on head of machine tool, table drill and electric hand drill |
| Drill Diameter | Flute Length | Overall Length |
| (mm) | (mm) | (mm) |
| 1 | 12 | 34 |
| 1.5 | 18 | 40 |
| 2 | 24 | 49 |
| 2.5 | 30 | 57 |
| 3 | 33 | 61 |
| 3.2 | 36 | 65 |
| 3.5 | 39 | 65 |
| 4 | 43 | 70 |
| 4.2 | 43 | 75 |
| 4.5 | 47 | 75 |
| 5 | 52 | 86 |
| 5.2 | 52 | 86 |
| 5.5 | 57 | 86 |
| 6 | 57 | 93 |
| 6.5 | 63 | 93 |
| 7 | 69 | 101 |
| 7.5 | 69 | 109 |
| 8 | 75 | 117 |
| 8.5 | 75 | 117 |
| 9 | 81 | 125 |
| 9.5 | 81 | 125 |
| 10 | 87 | 133 |
| 10.5 | 87 | 133 |
| 11 | 94 | 142 |
| 11.5 | 94 | 142 |
| 12 | 101 | 151 |
| 12.5 | 101 | 151 |
| 13 | 101 | 151 |
