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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.
| Drill Diameter Tolerance | H8 |
| Coolant Delivery | External |
| Product Type | Jobber Drills |
| Point Type | Split Point |
| Drill Diameter | 2.2mm |
| Standards Met | BS 328 | DIN 338 |
| Series | A777 |
| Overall Length | 53mm |
| Drill Diameter Metric | 2.2mm |
| Cutting Direction | Right Hand |
| Size | 2.2mm |
| Flute Construction | Ground flutes |
| Finish/Coating | Bronze |
| Material | Cobalt High Speed Steel |
| Helix Type | Normal Helix |
| Point Angle | 135\u00b0 |
| Flute Type | Spiral |
| Number of Flutes | 2 |
| MFR Part No. | A7772.2 |
| Flute Length | 27mm |
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