It sharpens 2 - 34 mm drills with 0.02 mm accuracy in 90 ° -140 °. A drill can be sharpened within 10 seconds. It is easy to use. Machine standard equipment includes special design high precision alloy steel collets.
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| Model | GS-1 | GS-20 | GS-21 | GS-34 |
| Drill diameter | Ø 2 – 13 mm | Ø 2 – 20 mm | Ø 12 – 26 mm | Ø 12 – 34 mm |
| Point Angle | 90° – 140° | 90° – 140° | 90° – 140° | 90° – 140° |
| R.P.M of motor | 5300 R.P.M | 5300 R.P.M | 5300 R.P.M | 5300 R.P.M |