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Metric Series
Ground flute, for drilling centre holes on components prior to machining. Extra length drills particularly useful for drilling centre holes in recesses. Manufactured to BS 328 : Part 1 : 1986, DIN333A : ISO 86, ISO2540, ISO2541.
| Trade Size | 4 |
| Countersink Angle | 60\u00b0 |
| Maximum Drill Point Length | 1.70mm |
| Number of Pieces | 1 |
| Shank Type | Plain Round |
| Standards Met | BS 328 | DIN 333A | ISO 866 | ISO 2540 | ISO 2541 |
| Drill Point Angle | 118\u00b0 |
| Finish/Coating | Uncoated |
| Minimum Drill Point Length | 1.30mm |
| Overall Length | 120mm |
| Material | HSS |
| Cutting Style | Plain |
| Radius | 17mm |
| Body Diameter | 4.0mm |
| Drill Point Diameter | 1.0mm |
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