End Mills
Decatur Diamond offers a full selection of drill sizes from .028”-.75” that includes letter, number, and fractional drill sizes; metric sizes are also available from 1mm-12.5mm. Decatur Diamond drills are industry standard 2 flute spiral jobber drills with a 118 degree four facet point. All drills over .042 diameter are furnished with back taper for clearance. When ordering, include -D25 or -D27, depending upon material being machined.
Dimensions are in millimeters
| Part/EDP Number | Diameter | LOC | OAL | Number of Flutes | Type | Reach | Radius | Size | Dec. Equiv | Shank Size | Shank Length | Reach Length | Temp Shank Size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.0393 DRILL | - | 16 | 60 | - | - | - | - | 1 | 0.0393 | 3 | 38 | 22 | 3 |
| 0.0591 DRILL | - | 19 | 60 | - | - | - | - | 1.5 | 0.0591 | 3 | 35 | 25 | 3 |
| 0.0787 DRILL | - | 22 | 60 | - | - | - | - | 2 | 0.0787 | 3 | 32 | 28 | 3 |
| 0.0984 DRILL | - | 26 | 65 | - | - | - | - | 2.5 | 0.0984 | 3 | 33 | 32 | 3 |
| 0.1181 DRILL | - | 32 | 75 | - | - | - | - | 3 | 0.1181 | 3 | 37 | 38 | 3 |
| 0.1279 DRILL | - | 35 | 75 | - | - | - | - | 3.25 | 0.1279 | 4 | 34 | 41 | 4 |
| 0.1378 DRILL | - | 35 | 75 | - | - | - | - | 3.5 | 0.1378 | 4 | 34 | 41 | 4 |
| 0.1575 DRILL | - | 35 | 75 | - | - | - | - | 4 | 0.1575 | 4 | 34 | 41 | 4 |
| 0.1772 DRILL | - | 41 | 100 | - | - | - | - | 4.5 | 0.1772 | 6 | 53 | 47 | 6 |
| 0.1969 DRILL | - | 45 | 100 | - | - | - | - | 5 | 0.1969 | 6 | 49 | 51 | 6 |
| 0.2165 DRILL | - | 45 | 100 | - | - | - | - | 5.5 | 0.2165 | 6 | 49 | 51 | 6 |
| 0.2362 DRILL | - | 51 | 100 | - | - | - | - | 6 | 0.2362 | 6 | 43 | 57 | 6 |
| 0.2559 DRILL | - | 51 | 100 | - | - | - | - | 6.5 | 0.2559 | 8 | 43 | 57 | 8 |
| 0.2756 DRILL | - | 54 | 100 | - | - | - | - | 7 | 0.2756 | 8 | 40 | 60 | 8 |
| 0.2953 DRILL | - | 61 | 100 | - | - | - | - | 7.5 | 0.2953 | 8 | 33 | 67 | 8 |
| 0.315 DRILL | - | 61 | 100 | - | - | - | - | 8 | 0.315 | 8 | 33 | 67 | 8 |
| 0.3346 DRILL | - | 61 | 100 | - | - | - | - | 8.5 | 0.3346 | 10 | 33 | 67 | 10 |
| 0.3543 DRILL | - | 70 | 125 | - | - | - | - | 9 | 0.3543 | 10 | 49 | 76 | 10 |
| 0.374 DRILL | - | 70 | 125 | - | - | - | - | 9.5 | 0.374 | 10 | 49 | 76 | 10 |
| 0.3937 DRILL | - | 73 | 150 | - | - | - | - | 10 | 0.3937 | 10 | 71 | 79 | 10 |
| 0.4134 DRILL | - | 73 | 150 | - | - | - | - | 10.5 | 0.4134 | 12 | 71 | 79 | 12 |
| 0.4331 DRILL | - | 73 | 150 | - | - | - | - | 11 | 0.4331 | 12 | 71 | 79 | 12 |
| 0.4528 DRILL | - | 76 | 150 | - | - | - | - | 11.5 | 0.4528 | 12 | 68 | 82 | 12 |
| 0.4724 DRILL | - | 76 | 150 | - | - | - | - | 12 | 0.4724 | 12 | 68 | 82 | 12 |
| 0.4921 DRILL | - | 76 | 150 | - | - | - | - | 12.5 | 0.4921 | 14 | 68 | 82 | 14 |