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Series E650
Dormer's combined tap (spiral flute) and drill allows you to drill a through hole and then, without removing the tool, tap it straight away all in a single operation.
| Chamfer | Combination Tap & Drill |
| Finish/Coating | Steam Tempered |
| Dimensions Standard | ISO529 |
| Overall Length | 65.0mm |
| Thread Size | 4 |
| Tapping Depth | 1.5x Diamm |
| Tap Type | Combination Tap Spiral Flute 30 degrees |
| ISO Category | N | P |
| Square Width | 3.2mm |
| Series | E650 |
| Material | HSS |
| Thread Standard | Metric Coarse |
| Thread Direction | Right Hand |
| MFR Part No. | E650M4 |
| Number of Flutes | 2 |
| Pitch | 0.70 |
| Shank Diameter | 4mm |
| Helix Angle | 30\u00b0 |
| Thread Length | 12mm |
| Class of Fit | 6H |
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