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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.
| Material | Cobalt High Speed Steel |
| Finish/Coating | Bronze |
| Series | A777 |
| Coolant Delivery | External |
| Point Angle | 135\u00b0 |
| Flute Length | 75mm |
| Helix Type | Normal Helix |
| Drill Diameter Metric | 7.6mm |
| Flute Type | Spiral |
| Flute Construction | Ground flutes |
| MFR Part No. | A7777.6 |
| Standards Met | BS 328 | DIN 338 |
| Point Type | Split Point |
| Number of Flutes | 2 |
| Cutting Direction | Right Hand |
| Overall Length | 117mm |
| Drill Diameter Tolerance | H8 |
| Drill Diameter | 7.6mm |
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