SU Series (inch): 5x diameter depth, straight shank, internal cooling
| Drill Type: | 5D, Straight Shank | |
| Cooling Method: | Internal | |
| Grade: | KDG303 | |
| Grade Description: | Nano structured nc-TiAlN coating on ultrafine high strength carbide substrate | |
| Application: | General drilling on a wide range of workpiece materials, particularly carbon steel, alloy steel, pre-hardened steel (HRC40), cast iron, nodular cast iron, etc. |
| Stocking Item | Dimension (inch) | |||||
| Part Number | Drill Dia.(d1) | Shank Dia.(d2) | Overall Length(L1) | Flute Length(L2) | Recom. Drilling Depth (L3) | Shank Length(L4) |
| SU-A1L-01250 | 1/8 | 0.1875 | 2.60 | 1.06 | 0.843 | 1.44 |
| SU-A1L-02500 | 1/4 | 0.2500 | 3.23 | 1.69 | 1.374 | 1.44 |
| SU-A1L-02656 | 0.2650 | 0.3125 | 3.58 | 1.97 | 1.587 | 1.52 |
| SU-A1L-02813 | 9/32 | 0.3125 | 3.58 | 1.97 | 1.587 | 1.52 |
| SU-A1L-03125 | 5/16 | 0.3125 | 3.58 | 1.97 | 1.587 | 1.52 |
| SU-A1L-03438 | 11/32 | 0.3750 | 4.06 | 2.36 | 1.917 | 1.59 |
| SU-A1L-03750 | 3/8 | 0.3750 | 4.06 | 2.36 | 1.917 | 1.59 |
| SU-A1L-04063 | 13/32 | 0.4375 | 4.37 | 2.60 | 2.091 | 1.67 |
| SU-A1L-04375 | 7/16 | 0.4375 | 4.37 | 2.60 | 2.091 | 1.67 |
| SU-A1L-05000 | 1/2 | 0.5000 | 4.65 | 2.76 | 2.189 | 1.79 |
| SU-A1L-05625 | 9/16 | 0.5625 | 4.88 | 2.99 | 2.362 | 1.79 |
| SU-A1L-06250 | 5/8 | 0.6250 | 5.24 | 3.23 | 2.539 | 1.91 |
| SU-A1L-06875 | 11/16 | 0.6875 | 5.63 | 3.62 | 2.874 | 1.91 |
| SU-A1L-07656 | 49/64 | 0.8125 | 6.02 | 3.94 | 3.071 | 1.99 |
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