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Series A777 are manufactured from HSS-Co for toughness, excellent for drilling higher tensile, tougher materials. 135 split point for improved precision and finish (over 1.5mm).
Features and Benefits
High speed steel and cobalt construction for added toughness
Excellent for drilling higher tensile, tougher materials
135 split point for improved precision and finish (over 1.5mm)
Standards
BS 328, DIN 338
| Drill Diameter Inch | 1/2in |
| Finish/Coating | Bronze |
| Product Type | Jobber Drills |
| Number of Flutes | 2 |
| Overall Length | 151mm |
| Flute Construction | Ground flutes |
| Flute Type | Spiral |
| Point Type | Split Point |
| Cutting Direction | Right Hand |
| Standards Met | BS 328 | DIN 338 |
| Drill Diameter | 1/2in |
| MFR Part No. | A7771/2 |
| Point Angle | 135\u00b0 |
| Drill Diameter Tolerance | H8 |
| Helix Type | Normal Helix |
| Series | A777 |
| Shank Diameter Tolerance | H8 |
| Flute Length | 101mm |
| Coolant Delivery | External |
| Material | Cobalt High Speed Steel |
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