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Series A777 HSS-Co heavy duty jobber drills are ideal for applications where more heat is generated, such as machining higher tensile materials. Their high-speed steel/cobalt construction makes them durable even when working in tough conditions.
Features and Benefits
Excellent for drilling higher tensile, tougher materials
135 split point for improved precision and finish (over 1.5mm)
Typical Applications
Drilling
Alloy steel
Tempered steel
Hardened steel
Malleable cast iron
Titanium
Nickel alloy
Aerospace
Standards
Manufactured to BS 328, DIN 338.
| Point Type | Split Point |
| Material | Cobalt High Speed Steel |
| Cutting Direction | Right Hand |
| Drill Diameter | 9.5mm |
| Flute Type | Spiral |
| Series | A777 |
| Standards Met | BS 328 | DIN 338 |
| Finish/Coating | Bronze |
| Flute Construction | Ground flutes |
| Drill Diameter Tolerance | H8 |
| Coolant Delivery | External |
| Flute Length | 81mm |
| Point Angle | 135\u00b0 |
| Helix Type | Normal Helix |
| Drill Diameter Metric | 9.5mm |
| Overall Length | 125mm |
| MFR Part No. | A7779.5 |
| Number of Flutes | 2 |
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