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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.
| Helix Type | Normal Helix |
| Finish/Coating | Bronze |
| Number of Flutes | 2 |
| Point Angle | 135\u00b0 |
| Standards Met | BS 328 | DIN 338 |
| Flute Construction | Ground flutes |
| Drill Diameter Metric | 1mm |
| Flute Length | 12mm |
| MFR Part No. | A7771.0 |
| Point Type | Four Facet |
| Material | Cobalt High Speed Steel |
| Drill Diameter Tolerance | H8 |
| Coolant Delivery | External |
| Flute Type | Spiral |
| Drill Diameter | 1mm |
| Overall Length | 34mm |
| Cutting Direction | Right Hand |
| Series | A777 |
Payment & Security
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