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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.
| Series | A777 |
| Point Type | Split Point |
| Overall Length | 86mm |
| Coolant Delivery | External |
| Flute Type | Spiral |
| Drill Diameter Tolerance | H8 |
| Cutting Direction | Right Hand |
| MFR Part No. | A7775.2 |
| Flute Length | 52mm |
| Finish/Coating | Bronze |
| Standards Met | BS 328 | DIN 338 |
| Point Angle | 135\u00b0 |
| Drill Diameter Metric | 5.2mm |
| Drill Diameter | 5.2mm |
| Number of Flutes | 2 |
| Flute Construction | Ground flutes |
| Helix Type | Normal Helix |
| Material | Cobalt High Speed Steel |
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