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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 Angle | 135\u00b0 |
| MFR Part No. | A7775.3 |
| Flute Length | 52mm |
| Drill Diameter | 5.3mm |
| Cutting Direction | Right Hand |
| Overall Length | 86mm |
| Point Type | Split Point |
| Finish/Coating | Bronze |
| Helix Type | Normal Helix |
| Drill Diameter Metric | 5.3mm |
| Coolant Delivery | External |
| Drill Diameter Tolerance | H8 |
| Series | A777 |
| Number of Flutes | 2 |
| Standards Met | BS 328 | DIN 338 |
| Flute Construction | Ground flutes |
| Material | Cobalt High Speed Steel |
| Flute Type | Spiral |
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